Effect Of Caffeine On Breathing And Pulse Rate Biology Essay

Effect Of Caffeine On Breathing And Pulse Rate Biology Essay Caffeine is a natural chemical substance known to have stimulant properties within the body (Addicott MA Laurienti PJ, 2009). Prior research focused on caffeines ability to affect ventilation, blood pressure, mood, and mental stress (Kennedy MD et al. 2008; Addicott MA Laurienti PJ, 2009). Their findings concluded that caffeine actually spiked blood pressure, ventilation and heart rate (Kennedy MD et al., 2008); while others claimed that it had no effect on heart rate or breathing (Ratliff-Crain J et al., 1989). Some gaps in these studies were that very few actually measured the rate of breathing, but rather focused on the volume of breathing and the percent oxygen saturation/diffusion (Chapman R Stager JM, 2008), as well as blood pressure, rather than heart rate (Ratliff-Crain J et al., 1989). This experiment aimed at finding a clear relationship between ingesting caffeine, and its effect, if any, on breathing and heart rate, after the subjects performed incremental stepping exercises. The significance of this study is vital in sport, particularly caffeines role in the Olympics (Spriet LL, 1995), and its potential as a prophylactic in treating asthma (Welsh EJ et al., 2010). Methods: See School of Biological Sciences (2010). Refer to Appendix (1) for the hypotheses. Results: Using the t-test it was found that the mean (+/- range) change in pulse rate was not significantly different between non-caffeine (Group A) and caffeine (Group B) treated subjects (t=0.4, df=161, P=0.7 ie P>0.05). (Refer to Appendices 2a, 2b,3a, and 3b for the data and t-test) Figure 1: The mean of changes in the pulse rate of non-caffeinated (control) and caffeinated (treatment) participants after performing a stepping exercise. Error bars are the range. N=140 and n= 75 for the non-caffeinated and caffeinated groups respectively. Using a paired two sample for mean t-test it was found that the mean (+/- range) change in respiration rate was not significantly different between non-caffeine (Group A) and caffeine (Group B) treated subjects (t=-0.7, df=132, P=0.5 ie P>0.05). (Refer to Appendices 2a, 2b,3a, and 3b for the data and t-test) Figure 2: The mean of changes in the breathing rate of non-caffeinated (control) and caffeinated (treatment) participants after doing a stepping exercise. Error bars are the range. N=140 and n= 75 for the non caffeinated and caffeinated groups respectively. Discussion: The results of the investigation revealed that the difference in mean pulse rate change between the two groups was 1.1 BPM and the mean breathing rate was 1 BRPM. This indicated that there were no significant difference between mean change in pulse rate and breathing rate between the group that was taking the caffeinated drink (treatment), and the group that ingested the non -caffeinated beverage (control). Therefore, since (P>0.05) the null hypothesis (HO) was accepted, and the alternative hypothesis (HA) was rejected. Prior research revealed that caffeine had no significant effect on the ventilator responsiveness or exercise ventilation on exercise -induced subjects following the administration of a moderate dose of caffeine (8mg per kilogram of body weight). Any modest increase in breathing rate was attributed to caffeines secondary effect on the Central Nervous System, rather than a direct effect on the respiratory system (Chapman R Stager JM, Caffeine stimulates ventilation in athletes with exercise-induced hypoxemia, 2008). However, other studies have suggested that caffeine acted in the manner of a ventilator stimulant and increased the breathing rate of individuals (Chapman R Mickleborough TD, 2009). Similar studies found that caffeine increased the mean change in pulse rate by 6 beats/min an hour after ingesting caffeinated coffee (350mL, 140mg of Caffeine). This revealed that while caffeine may affect the heart rate, its relative impact had no significant effect (Kennedy MD et al., 2008). Further research concluded that regular consumption of coffee could not increase the heart rate and blood pressure; unless consumed chronically and excessively (Ratliff-Crain J et al., 1989). The experimental data revealed that naturally there were a large range of values, beginning from as low as {3 BPM, 1 BRPM} and peaking to {110 BPM, and to 62 BRPM} respectively. The issue with having such a large range was that it masked any significance to the mean. The extreme data points would distort the mean value, even if caffeine had proven to have a significant effect. Thus, its effect would not be reflected in the results. Whilst increasing the sample size and repeating the experiment a number of times would improve the reliability of the experiment, it would do little to increase the precision of results. This is due to the presence of natural variation. Different people have differing athletic ability, sensitivity to caffeine, or gender differences, which the sample sizes (n=140 and n=75), did not account for. The failure to take account for the nature of the sample sizes greatly reduced the power of the experiment. Research suggests that males and females may actually hav e distinct responses (Kennedy MD et al., 2008), and so must be accounted for separately. This could be improved by separating the caffeinated and non- caffeinated groups into gender types, and perhaps only observing its effect on athletes (Chapman R Stager JM, Caffeine stimulates ventilation in athletes with exercise-induced hypoxemia, 2008). The amount of coffee may have been too small experimentally to produce a noticeable effect. Switching the dose to a full cup of coffee could enhance the effects of caffeine (Kennedy MD et al., 2008), or perhaps the length of time between ingestion and exercise was too short. Increasing the period from 1 hour to 2 hours could give caffeine more time to produce its effects (Kennedy MD et al., 2008). The accuracy of the results could have been improved by using more sophisticated counting methods to measure heart rate like using a digital pulse readout (i.e. an ECG), or percentage arterial oxyhemoglobin saturation to measure ventilation, which would produce more accurate results (Chapman R Stager JM, Caffeine stimulates ventilation in athletes with exercise-induced hypoxemia, 2008). The implication of this study is particularly important in the issue of caffeine bans from the International Olympic Committee, and whether or not it provides legal ergogenic advantage to athletes in short distance running or other aerobic activities. The rules governing caffeine ingestion prior to exercise may be revised if caffeine is proven to have substantially enhanced the athletes pulmonary capabilities (Spriet LL, 1995). Other future studies of caffeine include developing prophylactics for asthma (from its anti-inflammatory and bronchodilator properties). Randomised clinical trials have already confirmed improvements in lung function after using caffeine. This could produce new front line drugs to treat asthma (Welsh EJ, 2010). In conclusion, the caffeinated and non caffeinated groups showed a slight mean difference of 1.1 BPM and 1 BRPM, but statistically, there were no significant change in the mean heart rate or the mean breathing rate, which means the null hypothesis was accepted (P>0.05), and the effects of caffeine was not proven conclusive on either. References: Addicott MA, Laurienti PJ. (2009). A comparison of the effects of caffeine following abstinence and normal caffeine use. Psychopharmacology , 207 (3), 423-31. Chapman R, Mickleborough TD. (2009). The effects of caffeine on ventilation and pulmonary function during exercise: an often-overlooked response. Phys Sportsmed. , 37 (4), 97-103. Chapman RF, Stager JM. (2008). Caffeine stimulates ventilation in athletes with exercise-induced hypoxemia. Medicine and Science in Sports and Exercise , 40 (6), 1080-6. Graham TE, Hibbert P, Sathasivam P. (1998). Metabolic and exercise endurance effects of coffee and caffeine ingestion. Journal of Applied Physiology , 85 (3), 883-9. Kennedy MD, Galloway AV, Dickau LJ, Hudson MK. (2008). The cumulative effect of coffee and a mental stress task on heart rate, blood pressure, and mental alertness is similar in caffeine-naÃÆ'Â ¯ve and caffeine-habituated females. Nutrition Research. , 28 (9), 609-614. Ratliff-Crain J, OKeeffe MK, Baum A. (1989). Cardiovascular reactivity, mood, and task performance in deprived and nondeprived coffee drinkers. Health Psychol. 1989 , 8 (4), 427-427. School of Biological Sciences, The University of Sydney. (2010). Human Biology: Unit of Study Manual for Students. Spriet LL. (1995). Caffeine and Performance. International Journal of Sport Nutrition. , S84-99. Welsh EJ, Bara A, Barley E, Cates CJ.(2010). Caffeine for asthma. Cochrane Database Systematic Reviews. 1(1): CD001112.

Book One of John Milton’s Paradise Lost: Satan as Hero Essay

In literature and other forms of art, the character of Satan had always been depicted as nothing more than an evil entity. He was usually represented as the Devil, the creature capable of the ultimate form of wickedness. He was known to be against the Supreme Good, for he was the angel who initiated a rebellion against God. In various stories and movies, Satan had always been depicted as this static character. However, the depiction of Satan in Book One of John Milton’s â€Å"Paradise Lost† was truly an exception to the stereotype. In the first part of his epic, Milton showed the readers that Satan had positive traits, though he used it in a negative way. Contrary to the usual portrayal of the persona of Satan, John Milton depicted Satan as a heroic character in Book One of â€Å"Paradise Lost†. What makes a character heroic? One feature which makes a hero is a commanding presence. Heroes in literature, such as Achilles and Odysseus, are characterized with remarkable strength. These are individuals who possess imposing, if not dominant, personalities. It is their commanding presence which allows them to lead their men effectively, as it renders them as figures of authority. Combs wrote, â€Å"Heroic qualities reside in some larger-than-life figure who committed great deeds in a mythical past† (26). While Satan’s deeds can only be considered great in his own opinion, it cannot be denied that he was rendered by Milton as a larger-than-life creature in Book One. Milton presented Satan as a hero to the readers by showing how massive and mighty he is. To demonstrate the size and strength of Satan, the narrator of the poem used an analogy with reference to Greek mythology. Satan was depicted as similar to the titans who fought against Jove. Milton wrote, â€Å"Lay floating many a rood, in bulk as huge/ As whom the Fables name of monstrous size,/ Titanian, or Earth-Born, that warr’d on Jove† (I. 196-198). Milton also compared Satan to the Leviathan, which he described as â€Å"hugest that swim th’ Ocean stream† (I. 202). Indeed, the author had established Satan to be larger-than-life in the epic. Satan is considered as a heroic character in Book One because of his commanding presence. Another trait which a hero must possess is courage. Heroes are known to be courageous figures, those who remain unnerved during difficult struggles or when confronted with the inevitable. Satan is a heroic character in Book One of â€Å"Paradise Lost† because of the courage he displayed. He proved to be courageous because he displayed unshakeable resolve amidst trying times. It is known that Satan used to be an angel who sought to overpower God. He gathered his followers and rebelled against Him, only to fail in their selfish pursuit. As a result, Satan and the other angels were sent to Hell. Hell proved to be most unpleasant compared to Heaven. While there was a fiery lake in Hell, its flames gave off darkness instead of light. Milton wrote, â€Å"As one great Furnace flam’d, yet from those flames/ No light, but rather darkness visible† (I. 62-63). While a weaker personality may have given up on such dire situation, Satan was undaunted by his present dilemma. Instead of being dragged down by his fall from grace, he embraced his place in Hell. Satan remarked, â€Å"To reign is worth ambition though in Hell:/ Better to reign in Hell, then serve in Heav’n† (I. 262-263). In addition, Satan’s fall from grace did not diminish his determination in his pursuit of evil. God may have defeated Satan in the rebellion, but the Supreme Deity did not defeat his will to fight. Satan said, â€Å"All is not lost; the unconquerable Will,/ And study of revenge, immortal hate,/ And courage never to submit or yield:/ And what else not to be overcome? † (I. 106-109). Hence, Satan is a hero because of the courage he displayed. Also, Satan appeared to be a hero in the first part of Milton’s epic poem due to his bravery. How did Satan exhibit bravery in Book One? Satan proved himself to be a brave character because he did not reveal fear even though he was confronted with danger. After the angels failed in their revolt against God, some of Satan’s comrades have lost hope. For instance, Beelzebub was greatly disheartened by the defeat. Their failure convinced him of God’s power. Beelzebub told Satan: â€Å"Fearless, endanger’d Heav’ns perpetual King;/ And to put to proof his high Supremacy† (I. 131-132). Unlike his companion, Satan still wanted to challenge God’s power. He does not regret initiating the war, and still wanted to execute another battle. Satan wanted to wage a second war against God, hoping that the next attempt would be more successful. He uttered, â€Å"We may with more successful hope resolve/ To wage by force or guile eternal Warr/ Irreconcileable, to our grand Foe† (I. 120-123). Satan is a heroic character in Book One of Paradise Lost because he was unafraid to face an enemy stronger and more powerful than him. The three aforementioned traits truly render Satan as a heroic character. With those three traits, Satan would follow the tradition of other heroes in literature. Milton made Satan appear as a warrior hero with the other angels as his comrades. However, it cannot be denied that there would be instances wherein the other warriors are discouraged by the outcome of their battles. Therefore, it would be the responsibility of the leader to motivate the rest and make them continue on in the path they chose to travel. In this case, Satan again proved to be a heroic character in Book One. He was heroic because he asserted his leadership and convinced the other angels to do as he pleased. Satan had a plan against God and despite the defeat, he never strayed from it. In contrast, the other angels had become weary of their situation. It became Satan’s task to uplift his followers and make them believe in his plan. When Beelzebub was discouraged after hearing Satan’s suggestion of another attack, the latter gave a speech to convince the former. Satan said, â€Å"To do ought good never will be our task,/ But ever to do ill our sole delight† (I. 159-160). His optimism over his grand scheme against goodness was so persuasive that the other fallen angels had obeyed his orders. Because he was a leader who kept his followers on the path towards his desired end, Satan can be considered as a heroic character. In Book One of â€Å"Paradise Lost†, Milton truly painted a rare picture of Satan. He made one of the most despicable characters in history as an appealing character. Satan became appealing to the readers because Milton’s depiction paid more attention on his positive qualities. His larger-than-life persona, as well as his courage, bravery and leadership, made Satan an admirable individual. Moreover, not only did Milton make Satan appealing, he made him sympathetic as well. It is obvious that Satan had questionable logic; his arguments were flawed. Despite this, he was still able to persuade the other angels. He was also able to make the readers sympathize to his cause, no matter how wicked it was. When Satan first spoke in Book One, he described the fallen angels’ undesirable state in Hell. His words persuaded the readers of God’s wrath. Satan said, â€Å"He with his Thunder: and till then who knew/ The force of those dire Arms? † (I. 93-94). From his speech, Satan allowed the readers to think that God was at fault and his actions against Him were justified. Nevertheless, the text itself is proof of Satan’s free will. Satan was free to act as he pleased, and he chose to gather his followers and rebel against God. Satan was the one at fault because he was made free but he decided to use his freedom for evil. Therefore, while Satan may seem to be a heroic character, it does not mean that he was not flawed. Unlike most accounts of Satan, Book One of â€Å"Paradise Lost† proved to be different. John Milton deviated from the stereotype and presented Satan as a heroic figure. He made Satan as a commanding character who was courageous, brave and convincing to others. As a result, Milton depicted Satan as a character with redeeming qualities. However, these redeeming qualities are not enough to make him a perfect persona. Indeed, Satan is portrayed as a heroic character in Book One of â€Å"Paradise Lost† by John Milton. Works Cited Combs, James E. Polpop: Politics and Popular Culture in America. Wisconsin: Popular Press, 1984. Milton, John. â€Å"Paradise Lost. † University of Oregon Web Site. 1997. 17 July 2009 < http://darkwing. uoregon. edu/~rbear/lost/lost. html>.

The Oxford American Dictionary

According to The Oxford American Dictionary, a fact â€Å"is a thing that is known to have occurred, to exist, or to be true,† while an opinion is â€Å"a view or judgment formed about something, not necessarily based on fact or knowledge. † Written in 1898, Albert Shaw’s work, â€Å"The Blowing Up of the Maine,† provides examples of the differences between fact and opinion that can be found in a writing style called â€Å"yellow journalism.† Coined in the late 19th century, the phrase â€Å"yellow journalism† was used to describe newspapers that used a combination of verifiable data, sensationalism and distorted imagery to increase sales and/or influence public viewpoints. In â€Å"The Blowing Up of the Maine,† author Shaw emphasizes emotion and anti-Spanish bias, while limiting facts, in his description of the destruction of the USS Maine, an American warship harbored briefly in Cuba’s Havana Harbor, to achieve the following g oals: promotion of American nationalism and justification of the subsequent conflict between the United States and Spain that led to the Spanish-American War.He accomplishes those two objectives through discussion of the following: 1. ) America’s collective opinion of Spanish policy and actions, 2. ) Spain’s anti-American sentiment, and 3. ) the federal government’s response to Spain and growth of the American military. Additionally, Shaw’s style allows readers to compare and contrast fact and opinion in his rendition of this part of American history. Firstly, Shaw’s focus on emotionalism is demonstrated at the beginning of his accounting with a description of the American public’s feelings about the explosion of the USS Maine.He states, â€Å"†¦75 million Americans have accordingly suspended judgment in the face of a great provocation†¦to suppose the destruction of the Maine an ordinary incident and not due to any external agency or hostile intent was, under all the circumstances, to set completely at defiance the law of probabilities. † While Shaw does infuse a factual approximation with his reference to America’s population, with the 1900 United States Census indicating 76,212,168 Americans, he presumes to know the feelings of the entire American populace. In 1900, approximately sixty percent of Americans lived in rural areas (U.S. Census, 1900). And only 1. 3% of the population had telephones (Guinee, 1995). Consequently, communications across country were limited, and the first national opinion survey wasn’t administered until 1916 (Converse, 1987). Thus, it would have difficult for Shaw to have documented the actual feelings of the entire American population. Additionally, Shaw infers that the explosion of the USS Maine was caused by Spanish aggression. Without reference to actual data, he suggests that it was highly improbable that the event was caused by anything other than an att ack from Spain. In 1898 and 1911, the U.S. Department of Navy conducted investigations, concluding that a mine had caused the destruction of the warship (Naval Historical Center, 2003). According to the U. S. Navy, â€Å"Technical experts at the time of both investigations disagreed with the findings, believing that spontaneous combustion of coal in the bunker adjacent to the reserve six-inch magazine was the most likely cause of the explosion on board the ship† (Naval Historical Center, The Destruction of the USS Maine section, para 12, 2003). To date, no final cause of the Maine’s destruction has been determined (Naval Historical Center, 2003).Shaw continues his emotional description of America’s opinion of Spain in a series of additional references. He states, â€Å"There are a few people in the United States – we should not like to believe that more than one hundred†¦ who believe that the United States ought to join hands with Spain in forcing t he Cuban insurgents to lay down their arms†¦ † Shaw makes assumptions about the opinions of the American public, assuming that less than 1% would support Spain’s actions, without actual facts to support his statement. He later states, â€Å"The people of the United States do not intend to help Spain hold Cuba.On the contrary, they are now ready, in one way or another, to help the Cubans drive Spain out of the Western Hemisphere. If the occasion goes past and we allow the Cuban struggle to run on indefinitely, the American people will have lost several degrees of self-respect†¦Ã¢â‚¬  Again, Shaw presumes to know the thoughts of all Americans and uses an emotional appeal to emphasize his views. He makes no reference to a poll or survey taken of American sentiment, and leads the reader to conclude that all Americans are ready to go to war with Spain to end its rule of Cuba, without any data to back his opinion.Additionally, he infers that America’s failu re to aid Cuba against Spain would be wrong, if not immoral. Secondly, Shaw also discusses Spain’s â€Å"feelings† about America throughout â€Å"The Blowing Up of the Maine† to further strengthen support for his opinions. He says, â€Å"It has been known perfectly well that Spanish hatred might at any time manifest itself by attempts upon the life of the American representative at Havana, Consul General Fitzhugh Lee.† He states, â€Å"The Spaniards themselves, however, looked upon the sending of the Maine as a further aggravation of the long series of their just grievances against the United States. They regarded the presence of the Maine at Havana as a menace to Spanish sovereignty in the island and as an encouragement to the insurgents. He also notes, â€Å"The American pretense that the Maine was making a visit of courtesy seemed to these Spaniards a further example of Anglo-Saxon hypocrisy.† And, finally, he adds, â€Å"†¦Spain on her p art was trying to raise money to buy ships and secure allies. † Shaw’s descriptions lead the reader to assume that a Spanish attack on America was imminent and something that America prepare for and expect. Again, Shaw expresses his opinions without supporting data. He makes no references to Spanish official documents or policies, or to statements made by Spanish leaders, that would prove Spain harbored ill feelings towards Americans or intended to attack the United States.Instead, he incites America’s emotions with his allusions that Spain caused the destruction of the USS Maine and has been preparing for war with America. Finally, Shaw appeals to American patriotism by discussing actions performed by the federal government and the subsequent growth of the military. He uses a mixture of fact and opinion, again presuming the entire American population is aware of a series of actions undertaken by the American government to prepare for war against Spain. He does n ot, however, provide verification of the information he writes. He states the following,â€Å"The whole country has known that†¦government work was being prosecuted with double or quadruple forces of men, working by night as well as by day; that ammunition factories, iron and steel plants, and every other establishment capable of furnishing any kind of military or naval supplies were receiving orders from the government and were working to the full extent of their capacity; that our naval representatives were negotiating abroad for additional warships; that new regiments of artillerymen were being enlisted for the big guns on the seaboard; that naval recruits were being mustered in to man newly commissioned ships; that the railroads were preparing by order of the War Department to bring the little United States Army from western and northern posts to convenient southern centers. † He adds â€Å"†¦on March 8 [three weeks following the destruction of the USS Maine], the House of Representatives unanimously voted to place $50 million at the unqualified disposal of President McKinley as an emergency fund for the national defense – †¦followed by an equally unanimous vote of the Senate†¦a very large sum to place in the hands of one man†¦no part of the $50 million will be squandered by the administration.† While the reader could verify Congress’ allocation of funds to the Executive branch of government for national defense, how could Shaw know that all plants were â€Å"working to full capacity† or determine that as many as two to four times as many men were working to prepare American for war? Or how would Shaw know exactly how the funds would be spent? Again, Shaw makes predictions regarding the conflict with Spain, this time about the American government. Shaw adds statements like, â€Å"The quickness and inventiveness of America[s]†¦have no parallel in Europe,† â€Å"Americans had been†¦building or buying†¦high speed and stanch qualities, capable of being quickly transformed into naval dispatch boats or armored and fitted with torpedo tubes.Probably not a single private Spanish citizen could turn over to his government such a vessel†¦,† and â€Å"[America] the most highly developed mechanical and industrial nation will by virtue of such development be most formidable in war†¦, a situation that the Spaniards in general are evidently quite unable to comprehend. † Shaw emphasizes the strength of American â€Å"might† (comparing it to Spain) and an increase in the size of the military to promote nationalism and gain public support for the war. Again, Shaw offers no data to support his opinions, only making the assumption that America would be better equipped for conflict than the Spanish. In conclusion, Shaw’s â€Å"The Blowing Up of the Maine† is an example of â€Å"yellow journalism,† using a combination of fac t, emotionalism and opinion to promote patriotism and public support of war with Spain.While there is no definitive proof that works like Shaw’s caused the Spanish-American War, sensationalist writing does rouse emotions. According to historians, a debate still continues: Did yellow journalism create the conflict between America and Spain, or simply demonstrate what contemporary Americans felt at that time? While the question remains unanswered, readers are able to compare fact and opinion and come to their own conclusions. References Converse, Jean M (1987). Survey Research in the United States: Roots and Emergence 1890-1960. Guinee, Kathleen (1995). A Journey through the History of Information Technology. Naval Historical Center (2003). Destruction of USS Maine. U. S. Census (1890).

The Epidemic of Affluenza is Sweeping Through America Essay

An epidemic is sweeping all through America. This epidemic has affected just about every individual in America. Millions could be diagnosed with it yet they do not realize they have it. It is changing the everyday thoughts and actions of those with it. It damages all individuals who let it consume them. It is nearly impossible to cure. Medication is useless against it. There is not outright proven immunity to prevent one from receiving this nasty disease. It can cause symptoms such as stress, overwork, waste, desperation, emptiness, and recklessness to name a few. What is this ravaging disease? Affluenza, â€Å"the bloated, sluggish, and unfulfilled feeling that results from efforts† to pursue all happiness with wealth and material†¦show more content†¦It seems as if they have everything they might possibly want. Through the years, they have become obsessed with trying to fulfill themselves and find happiness. They believe buying one more item would give t hem eternal happiness yet fails miserably. The pursuit of happiness through wealth is a common symptom in the affluent which has become an insane obsession. At the end of the day, the affluent are still not satisfied with their wealth or material items. Source D provides a great example. Even though the couple has purchased everything they could possibly want, they still feel â€Å"something is missing.† What they are missing is not a tangible object. It is not something one could go to a store and buy. They cannot obtain happiness in a nice little box on a store shelf. There is no price on happiness. Source A believes â€Å"happiness is desirable in itself and never for the sake of something else.† Nothing can supplement happiness. True happiness is â€Å"something final and self-sufficient.† People with affluenza can never find this happiness through the constant purchasing of more stuff. Happiness is achieved in many different ways for different individuals but not through wealth. For example, the mother in Source I begins to understand this when she becomes older one Christmas. She realizes no matter how many gifts she may receive,

The Prevention And Public Health - 852 Words

It was not easy gathering information for this assignment. All the attempts and efforts to contact my state nursing lobbyists, both the state and the federal representatives of Georgia were abortive. This assignment was competed through internet search of representative members’ website. What is the position of Georgia state legislators on health care issues and nursing specifically? I live in Georgia, I am in the 7th congressional district. Our representative is Rob Woodall. He has been representing the 7th congressional district since 2011. Some of the health policy issues he voted on includes the banning of federal health coverage that includes abortion. Robert Woodall is a strong pro-life supporter his argument was that abortion is harmful to women and it takes the lives of innocent children. He voted for Medicare spending cuts, and in October 2011, he voted for legislation to control how private insurance companies that are in public insurance exchange may offer abortion coverage. Also he voted to repeal the patient protection and affordable Act in January 2011. On repealing the â€Å"prevention and public health â€Å"fund his argument was that the HHH secretary spends this fund without congressional approval. He believed that eliminating this fund will not affect any specific program rather it will repossess the control of how the federal tax money is s pent. (Rob Woodall, 2015) What are the position of Georgia federal legislators on health care issues and nursing,Show MoreRelatedThe Benefits Of The Prevention And Public Health Fund1710 Words   |  7 PagesPublic Health The Prevention and Public Health Fund was formed to improve health care quality and improve the investment in public health by the Affordable Care Act. 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The Tried and True Method for Where Can I Buy a Paper for College in Step by Step Detail

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Design & Construction of Zero Energy House-Samples for Students

Question: Discuss about the design and Construction of Zero Energy House- Brighton Waste House Project. Answer: Introduction All the houses achieve a higher energy efficient buildings and it is known as Zero Energy Building (ZEB) standards. The sustainable construction project uses 90 percent of the materials from both household as well as construction waste that makes the waste house. The waste includes of 20,000 toothbrushes, floppy discs, carpet tiles, 4000 DVD cases used to clad faade of the home. The waste house project started at May 2013 and completed on April 2014. The opening date of the project is June, 2014. The aim of this project is to reclaim and recycle of the materials (Newatlas.com 2015). The project also aims to demonstrate of 45 percent contribution to emission of carbon dioxide within UK that attribute towards architectural structures. The report is based on design and construction of a waste house into Brightons University that provides with zero net energy consumption. It uses concept of 100 percent use of the waste resources and consumption of zero energy. It discusses the conceptual and preliminary design of the building to familiar the users with its benefits. Needs Definition- Design and construction of Brighton Waste House Zero energy buildings are regular grid tied houses that are air tight, energy efficient as well as well-protected. It provides a net zero energy and carbon free house. Zero energy houses consist of advanced design and building system with energy efficient and on-site solar panels in order to provide better house (Hassoun and Dincer 2014). The houses are comfortable; sustainable as well as healthy those are affordable to live. Those are quality houses and more durable. There are various definitions of the terms used into the design and construction of the waste house as follows: Zero net site energy use: Mohamed, Hasan and Siren (2014) stated that it is the amount of energy that is provided by on site renewable energy sources. It is equal to amount of energy which is used by the building. Zero net source energy use: It creates same sum of energy as it is being used. It also includes of energy used in order to transport energy towards the building. It is lost through transmission of electricity (Fujimoto, Yamaguchi and Shimoda 2017). Zero net energy (ZNE) generates electricity that zero net site of energy building. Net zero energy emissions: In UK, ZEB is definite as zero net energy emissions; it is also recognized as zero emission building (Peng et al. 2015). The carbon is produced from both on-site as well as off-site fossil fuel which is unbiased by sum of production of the on-site renewable energy. Net zero cost: In zero energy building, the price of energy purchased is being reasonable by the profits from sales electricity to the produced electricity grid on-site (Poppendieck et al. 2016). Net off-site zero energy use: Hamdy, Hasan and Siren (2013) demonstrated that building is ZEB when it has 100 percent of energy it purchased from the renewable energy sources, even when the energy is produced off-site. Off-the-grid: The buildings need stand alone ZEB which is not associated with off-site energy. It requires generation of renewable energy (Berthold et al. 2014). Net zero energy building: Net ZEB is energy proficient building and grid associated that enable to create of power from the renewable basis to compensate energy demand (Stefanovic, Bojic and Gordic 2014). Conceptual Design of Brighton Waste House Project Detailed design requirements Design decisions is affected the energy use of zero energy building. Assortment of location, control filtration procedures and area of light openings reduce negative impact of heat effect on the climate of the building (Hassoun and Dincer 2015). The basic necessities of structural divisions of the waste house are: The timber framed structure is made up of timber off cuts with of salvaged ply and it is insulated and donatedKoolthermK15 boards to the internal wall cassettes, tapes and disc cases and 198000 disposable airlines toothbrushes (Cellura et al. 2015). Higher stage of thermal insulation of the building envelopes (It consists of coefficient of temperature transfer U walls: It is not further than 0.09 W/(m2 K), coating is no more than 0.07 W/(m2 K) and floor with 0.09 W/(m2 K) (Koo et al. 2014). Install of transparent cladding structures with a lower e-coated glass (It has co-efficient of transferring heat U 1 W/ m2 K) (Dumont, Quoilin and Lemort 2015). Higher air tight of the building envelopes The building consists of insulation system, butt joints and enclosed structure. Evolution of detailed design UK receives a daily average of approximately 4.2 hours of peak sun; therefore solar energy is one of the significant ways to gain energy balance. A silicon photovoltaic system is being modeled faced north at twisted angle of 26 degree so as to recompense houses yearly energy demand. The design of waste houses is conducted based on three designing terms: building envelope, building services and user interaction (Lu, Wang and Shan 2015). Zero Energy Building uses of sustainable energy sources and fossil fuels. It is possible that the concept requires integrating, combining upgradation of building envelope and using of efficient building system (Lindberg 2017). The construction phase of the waste house consisted of combination of waste as well as surplus materials with use of hi-tech solutions like DuPont Tyvek UV Faade breather membrane that are installed behind unusual rain screen cladding and it is made up of second hand carpet tiles. Integrating of system elements and activities Following are the system elements that can consume of energy into waste house: Heating and cooling system: The geothermal heat pump can heat and cool and when it is equipped with de-superheater, then it can supply hot water to the house. The system requires utilizing constant temperature of earth as exchange of heat medium as an alternative of external air temperature (Hassoun and Dincer 2016). It allows the system to attain extraordinarily higher efficiencies of approximately 300-600%. Water heating system: Maximum energy is saved with use of solar thermal panels. Hot water tank requires placing to both bathrooms as well as kitchen in order to reduce hot water runs or thermally insulate (Williams 2014). Therefore, a water recirculation system is considered. Lightning system: This system uses of 75-90 percent of less energy as compared to standard incandescent as well as halogen bulbs. Ventilation system: The system is energy efficient and it requires mechanical ventilation in order to continue of indoor air quality. Most efficient ventilation system is Energy Recovery Ventilation (ERV) (Kalambura et al. 2015). It is an energy recovery system and it balances humidity to exchange of indoor as well as outdoor air. In order to design a zero energy house, three basic activities are considered: Reduction of houses energy requirements: Insulation will help to reduce the heat loss in the winter and gain of heat in summer. It provides building envelope such as walls, roof and slab. An air barrier will reduce loss of heat and gain due to leakage of air in as well as out of the house. Production of energy required: It includes of renewable energy system to present with amount of required energy to function the house (Gray 2016). The energy required is reduced with an energy efficient technology such as photovoltaic system to offer of electricity. Efficient operating the house: It includes of setting of temperature of space heating, hot water and number of appliances, energy use and appliances which are plugged. Design tools and aids Following are the tools used during the design process of zero energy houses: Design performance modeling (DPM): This tool is developed to forecast the performance of building based on energy efficiency, penetration of daylight, thermal comfort and natural ventilation. Building energy modeling (BEM): It consists of data and makes assumptions about operation as well as maintenance of the building (Newatlas.com 2015). Building operation modeling (BOM): The main feature of this tool is monitoring of the building. It permits for calibration of BEM. Project resource modeling (PRM): It evaluates the supply problems that will influence the expansion of the development (Lu, Wang and Shan 2015). It shows a relationship between conservation, consumption and efficiency. Design data, information and integration Type of construction Materials External walls It is of 100 mm brick with 50 mm of insulation board (R1.5). It consists of wall air space as well as there is 9.5 mm of plaster board. Internal walls They are double layered with 9.5 mm plaster board as well as a wall air space. Windows Windows are of 3 mm green glass (single glaze), It is air 13 mm and clear glass of 3mm. Ceiling The concrete of 100mm. It has ceiling air space. It consists of 154 mm batts insulation (R3.5) with plasterboard of 13mm. External door (front) Wood of 50mm. Internal doors Wood of 25mm. Floor (carpet) Lightweight concrete consists of 100 mm. Floor (tiles) The floor has acoustic tile with lightweight concrete of 100 mm (R1.0) Table 1: Design data on construction specifications of Zero energy house (Source: Lu, Wang and Shan 2015, pp-465) Figure 1: Design of Waste House (Source: Cellura et al. 2015, pp-27) Development of engineering models Computer modeling tool is used to estimate the consumption of energy as well as production. Zero Energy Residence Optimization (ZERO) software is used to design the buildings by minimizing the energy consumption. The house specification consists of insulation level, domestic appliances, window requirements, electrical layout, heating system, hot water system and lightning system (Hassoun and Dincer 2015). The initial design of the zero energy houses use an energy rating system that uses of computer simulation in order to assess heating as well as cooling efficiency of energy of residential building design. The building materials are modeled in order to estimation of the energy performance and price of various designing options. The final design of the house reflects on optimal balance among energy performance and cost (Lindberg 2017). ZEH is used of energy saving technology as well as solar power in order to lessen the net energy consumption to zero. Sophisticated 3-D building energy simulation tool is used to model how the building is performed with designing variables like building orientation, insulation type, lightning, heating efficiency, window and door type and local climate (Lu, Wang and Shan 2015). Simulation helps the designer to forecast how building will perform and enable to model the financial suggestions on the cost benefit analysis. System prototype development Ventilation system Benefits Considerations SKIN Recovery of heat, collective air via faade Collective installation and easier maintenance Limited flexibility Unsatisfactory as users will avoid the system Ducts are running throughout faade External insulation Integrated air inlet and outlet into the frame of window Recovery of heat in the building Ventilation system is safer Limited flexibility Ducts are running throughout faade External insulation Integrated air inlet and outlet at the staircase Recovery of heat decentralized per room Flexible and innovative Critical to develop the system and upscale to 20 units Room are not adjacent to faade External insulation Replacement of window Integrated of ventilation unit into the frame of window or wall Table 2: Preliminary concepts to be tested in system prototype (Source: Hassoun and Dincer 2016, pp-41) Design, review, evaluation and feedback Tracking and controlling Technical Performance Measure (TPM) Technical performance measure Quantitative requirement Current benchmark Relative importance Process time (in days) 30 days 40 days 15 Energy performance 0 kWh/dwel/yr Not fixed 26 Thermal comfort 20-25/23-26 oC 16-25 oC 18 Indoor quality of air/airflows 0.7 l/s/ m2 0.05-0.1 l/s/ m2 18 Lightning 100-200 lux 150 lux 7 Level of noise 25-40 dB(A) 20-35 dB(A) 5 Facade construction 5 m2K/W 5 m2K/W 11 Table 3: Technical Performance Measures (Source: Stefanovi?, Boji? and Gordi? 2014, pp-61) Tracking of other design considerations Parameters Value Lightning (LED) 0.4 W/sf Temperature of natural ventilation system 66-78 oC (when the outside humidity is 0-60 percent) Energy recovery unit Sensible Efficiency = 75% Building envelope 1. The walls of Super Insulated are of R-45 Walls with R-70 Roof 2. Air barrier by means of the building envelope charging of greatest penetration of 0.15 air changes per hour 3. Insulation: Minimum glazing thickness of 1 inch Table 4: Design considerations of ZEB (Source: Kalambura et al. 2015, pp-1668) Conducting design reviews The entire design of the ZEB system is reviewed to identify the funding requirements of the system project. The review is conducted after design plan of the system. The basic objective of this review is to design and construct zero energy house in UK that can provide 100 percent energy efficiency (Williams 2014). The software required for the review is building operation modeling, which will monitor the performance and energy efficiency of the building. Incorporating design changes There are requirement of changes into performance of the system. The cost of the system is maintained so that in future there is less possibility to raise the cost. There are also changes in energy code. Conclusion It is concluded that with an advancement of the renewable technology, zero energy houses are the future. It increases the comfort of the human beings due to its uniform internal temperature. It reduces requirements of energy and total ownership price due to its improved energy efficient. Waste House are consistent framework tied houses that are sealed shut, vitality productive and additionally very much ensured. It gives a net zero vitality and carbon free house. Waste houses comprise of cutting edge plan and building framework with vitality productive and on location sunlight based boards keeping in mind the end goal to give better house. The houses are agreeable; reasonable and also sound those are moderate to live. Those are quality houses and more strong. The underlying plan of the waste house utilize a vitality rating framework that employments of PC reenactment with a specific end goal to survey warming and cooling proficiency of vitality of private building outline. The buildi ng materials are demonstrated keeping in mind the end goal to appraise the vitality execution and cost of different planning choices. The last outline of the house considers ideal adjust among energy execution and cost. The ZEB is taken a toll proficient and it is conceivable that the plan idea requires coordinating, joining upgradation of building envelope and additionally utilizing of effective building framework References Berthold, F., Blunier, B., Bouquain, D., Williamson, S., Chen, Y., Athienitis, A. and Miraoui, A., 2014. Optimization of a battery charging schedule in a net zero energy house using vehicle-to-home functionality. InProc. eSim14, IBPSA. Cellura, M., Guarino, F., Longo, S. and Mistretta, M., 2015. Different energy balances for the redesign of nearly net zero energy buildings: An Italian case study.Renewable and Sustainable Energy Reviews,45, pp.100-112. Dumont, O., Quoilin, S. and Lemort, V., 2015. Experimental investigation of a reversible heat pump/organic Rankine cycle unit designed to be coupled with a passive house to get a Net Zero Energy Building.international journal of refrigeration,54, pp.190-203. Fujimoto, T., Yamaguchi, Y. and Shimoda, Y., 2017. Energy management for voltage control in a net-zero energy house community considering appliance operation constraints and variety of households.Energy and Buildings,147, pp.188-199. Gray, T.S. ed., 2016.UK Environmental Policy in the 1990s. Springer. Hamdy, M., Hasan, A. and Siren, K., 2013. A multi-stage optimization method for cost-optimal and nearly-zero-energy building solutions in line with the EPBD-recast 2010.Energy and Buildings,56, pp.189-203. Hassoun, A. and Dincer, I., 2014. Development of power system designs for a net zero energy house.Energy and Buildings,73, pp.120-129. Hassoun, A. and Dincer, I., 2015. Analysis and performance assessment of a multigenerational system powered by Organic Rankine Cycle for a net zero energy house.Applied Thermal Engineering,76, pp.25-36. Hassoun, A. and Dincer, I., 2016. Analysis and performance assessment of a new multigeneration system for net?zero energy houses.International Journal of Energy Research,40(1), pp.36-50. Isaac, D., O'Leary, J. and Daley, M., 2016.Property Development. Palgrave Macmillan. Kalambura, S., Racz, A., Jovi?i?, N. and Kalambura, D., 2015. Use of slaughter house waste in energy production and fertilization.International Journal of Agriculture Innovations and Research,3(6), pp.1666-1670. Koo, C., Hong, T., Park, H.S. and Yun, G., 2014. Framework for the analysis of the potential of the rooftop photovoltaic system to achieve the net?zero energy solar buildings.Progress in Photovoltaics: Research and Applications,22(4), pp.462-478. Lindberg, K.B., 2017. Impact of Zero Energy Buildings on the Power System: A study of load profiles, flexibility and system investments. Lu, Y., Wang, S. and Shan, K., 2015. Design optimization and optimal control of grid-connected and standalone nearly/net zero energy buildings.Applied Energy,155, pp.463-477. Mohamed, A., Hasan, A. and Sirn, K., 2014. Fulfillment of net-zero energy building (NZEB) with four metrics in a single family house with different heating alternatives.Applied Energy,114, pp.385-399. Newatlas.com 2015.Green living: Top 10 sustainable houses. [online] Newatlas.com. Available at: https://newatlas.com/gizmag-top-10-sustainable-innovative-green-houses/34712/ [Accessed 19 Aug. 2017]. Peng, C., Huang, L., Liu, J. and Huang, Y., 2015. Energy performance evaluation of a marketable net-zero-energy house: Solark I at Solar Decathlon China 2013.Renewable Energy,81, pp.136-149. Poppendieck, D., Khurshid, S., Dols, W.S., Ng, L., Polidoro, B. and Emmerich, S., 2016. Formaldehyde Concentrations in a Net-Zero Energy House: Real-time Monitoring and Simulation.Proceedings of Indoor Air 2016. Stefanovi?, A., Boji?, M. and Gordi?, D., 2014. Achieving net zero energy cost house from old thermally non-insulated house using photovoltaic panels.Energy and Buildings,76, pp.57-63. Williams, A. 2014.One man's garbage is another man's ... house?. [online] Newatlas.com. Available at: https://newatlas.com/waste-house-bbm/32616/ [Accessed 19 Aug. 2017].