Answer 4 discussion questions as instructed below Assignment

Answer 4 discussion questions as instructed below - Assignment Example The advantages of placing the C-arm fluoroscopy at different angles with regards to the patient, for example, either under/over/lateral, is that it offers an appropriate way to facilitate minimal exposure to the radio waves. The level of success in any C-arm fluoroscopy procedure performed is contingent on the proficiency of the doctor involved and the pathoanatomic characteristics of the patient. The benefit is that it offers minimally invasive procedures for the treatment being carried out. Reducing occupational exposure is achieved via the use of garments having components of lead metallic elements. Lead metal is known to be effective in shielding from radioactive components, for instance, like in this case x-rays. The TV monitors and control cart are utilized for cross sectional examination of two images to provide a comparison for the technologist. The equipment are flexible in hardware structure and can be rotated or flipped to provide a preferred view. Mobile fluoroscopy with supported digital imaging which offers still images is essential for therapists to analyze and compare data collected. The foot pedal allows the physician or any approved equipment operator to have hands-free operation of the C-arm machine. A completely equipped and automatic foot pedal has added functionality to offer flexible operations and movement within the examination room. Radiation safety is essential for all the individuals involved or affiliated to the operations of the portable x-ray machines. It is advisable for all the persons and staff who remain in the radiography room to wear a lead apron. A minimum distance of 6 feet (approximately 2m) is suitable for all operators involved to minimize the exposure that comes with the procedures. Delicate organs like the gonads ought to be protected from the radioactive elements. The level of exposure is greatly dependent on the distance from exposure point, thus,

Migration From The Countryside To Cities Environmental Sciences Essay

Migration From The Countryside To Cities Environmental Sciences Essay The desire to increase income encourages people who live in rural areas to leave their lands and homes. This movement is called Urbanisation which means the migration from countryside to cities in particular in developing and poor countries. This terminology or buzzword emerges in Latin conference. It may be defined in different ways. MEDCs (more economics developed countries) and LEDCs (less economics developed countries), for example, have examined it in different ways. LEDCs have defined it as the encouragement of people who reside in rural areas to migrate to cities whereas MEDCs has defended it as a process of dysfunctional movement of people from country sides to large cities. In other words, urbanisation means disappearance of many aspects of life in areas which surround cities such as agriculture, as a consequence of the migration to large towns and cities. It may also be defined as Elliot (1999) says the movement of people from communities concerned chiefly or solely with ag riculture to other communities generally larger whose activities are primarily centered in government, trade, manufacture or allied interests(Elliot. J.A. 1999). The negative influences of this phenomenon have exceeded the positive effects. Therefore, most countries, in particular developed ones, have been attempting to reduce the population inside cities and towns. This step is responsible for maintaining sustainability for those countries particularly in the field of development. Sustainable development is known as the ability of an activity or development to continue in the long term without undermining that part of the environment which sustains it (SNH, 1993). In addition, it may be defined as the searching for high quality of living without affecting the environment (English Nature, 1993). However, there is a contradiction between urbanisation and sustainable development, because urbanisation has tremendous problematic effects on environment whereas sustainable development seeks to create healthy cities and towns. Urbanisation in all countries has many negative effects therefore there are a considerable number of policies have been suggested to deter these problems. This project will present two problems of urbanisation, lack of space and increasing private cars owners then will highlight some causes of it and finally will suggest three solutions in order to solve these problems of urbanisation. 1. LACK OF SPACE 1.1 CAUSES The prime reason behind peoples movement from rural areas to urban ones is that they seek higher living standards because they believe cities are more desirable than where they live. However, moving to cities without planning will cause many problems for both settlers and governments. Some troubles that may face squatters as a result of sudden and unplanned moving to cities are lack of basic living standards and pollution. 1.2 EFFECTS Because most migrants who desire to improve their income by moving to industrialised areas are poor and they cannot afford renting flats or buying houses, they will accept living anywhere even in ill developed places. As a result of this, settlers always reside in the edge of cities and it is known as shanty town. These settlements are always built in illegal ways therefore they lack of the basic elements of services such as water, sewerage system and health care (Bilham-Boult et al, 1999). In advanced countries or even in developing countries, governments usually attempt to build cities in modern ways by establishing great infrastructures. These infrastructures are built to present good facilities for people such as road networks, transportation and sewerage systems. Also one of these facilities is to connect houses with main sources of water by constructing pipes of water. However, as discussed earlier, most settlements are built randomly, thus they have access to these important facilities. Hence, squatters are required to pay for water carts and this will cost them a considerable amount of money and sometimes paying for water will be unaffordable for them because most settlers are poor. In Accra, for example, only 35 per cent of houses have been connected to water sources and 24 per cent use basic pipes whereas 28 per cent of citizens buy water from water vending carts (Bilham-Boult et al, 1999). Lack of pipes of water means lack of sewerage system, according to Bilham (1999) the pollution in shanty towns in particular the pollution in water has increased rapidly because some cities have no sewerage system therefore sewage is still drained directly to rivers and to main sources of water. Moreover, settlers build pits dug to gather the sewage into it, further, these pits dug may construct among the cities which responsible for bringing a huge numbers of bacteria and diseases for people who reside near it. 1.3 SOLUTIONS After discussing the main problems which may face squatters in shanty towns, the following paragraphs will point out some problems that may encounter governments due to urbanisation. Unplanned moving from country sides to cities causes many problems for governments because that requires construct new infrastructures or even builds new territories for new comers and this will be very costly. Furthermore, the demands to create jobs for squatters will take place because most squatters sale their farms and lands to help them shift from rural areas to urban ones. Another problem is that the necessity of establishing social services such as health care, education and transportation will rise as well. However, many solutions have been suggested to solve the problems of urbanisation. One of these solutions is that governments should encourage their farmers who live in rural areas to stay there by making all facilities which exist in cities available in countryside such as schools, health care centers and transportation. In addition, by making this step that will be very helpful to solve the problem of unemployment because that will increase the opportunities of migrants who desire to move to urban areas to find a job in their areas instead in urban areas. 2. TRANSPORTATION Another problem that may be increased due to urbanisation is the increasing of private cars owners. Therefore, the following paragraphs will examine the causes and effects of rising vehicle use. 2.1 CAUSES The most considerable cause of depending on private automobiles is the price because most cars companies have reduced the prices of the cars by making it very affordable. Hence, most people prefer buying cars rather than using public transportation because they believe using public transportation wastes time and money. Wasting time is due to the commuters are must walk from their homes and work to the nearest station and vice versa and they also spend a considerable amount of money because they must buy tickets for all travels even for small journeys. This was not only the reason of increasing the number of private automobiles, but the reasonable price of fuels also encourages people to purchase cars. Moreover, the price of fuels compare with the tickets prices of journeys seems to be much more affordable for people in particular for large families. However, the most significant reason beyond the reliance on cars is the shortage of public transportation. In many cities the rail networks and high ways do not cover all areas which surround cities. Therefore, most people are required to purchase cars particularly people who work away from the urban areas or people who live in rural areas and work in cities. In addition, some cities were built since 19th or early 20th century, thus they lack planning and good organisation which means they lack infrastructures. Because of this, it is very difficult for governments to rebuild and reorganise cities because that will cost the governments a huge amount of money. 2.2 EFFECTS As a result of increasing the number of private cars, many effects will emerge such as congestion, energy consumption, air pollution, noise, health and a significant number of accidents. However, the most important effect is air pollution because it is a consequence of congestion and energy consumption. Air pollution not only effects the environment of cities but it will also harm the health of people because it carries many emissions such as carbon dioxide. 2.3 SOLUTIONS Many solutions have been suggested to solve the problems of urbanisation. One of these solutions is to connect all areas which include the city itself and all areas surrounded it by one system. It may cost governments an enormous amount of money, but by taking this step public transportation will be more desirable than private vehicle. It will save time and money for commuters who move from place to place frequently. Moreover, issuing uniform tickets of buses and railway with affordable and reasonable prices will be a most grateful solution in particular for large families. This step will ease transferring between public transportation by establishing short distances of travelling. Finally, if governments want to reduce the number of cars they should raise taxes, parking fees and the price of fuels. This stage will encourage people to use public transportation. This encouragement also needs to create informative programmes to raise the awareness of people particularly in the harm of using private cars such as the pollution and the rapid increasing of accident rates. CONCLUSION The former paragraphs have stated the negative impacts of urbanisation in particular the problems of lack of space and the increase of private cars owners. A number of policies have been discussed by some governments which may be mainly helpful to solve the problematic negative influences of urbanisation. As discussed earlier, urbanisation has a great deal of harmful impacts, they could be exceeded its benefits. One of these negative effects is that most settlements are built randomly therefore they lack basic living standards as well as basic elements of services. One of these services is to connect those settlements by main sources of water. Therefore, when these shanty towns lack pipes of water that will lead to another problem which is lack of sewerage system. As a result of lack of sewerage system, sewage is drained directly to rivers and main sources of water which is responsible for bringing a huge number of bacteria and disease for squatters who live in those towns. Furthermore, these settlements are lacking to transportation because they were built in illegal ways which make governments unable to construct infrastructures in these shanty towns. In other words, if governments want to destroy these towns and rebuild it in modern ways that would cost them an enormous amount of money. This step may be unaffordable for some governments in particular for developing countries. This issue has led to another consequence, the lack of infrastructures encourages settlers use their own cars which lead to traffic congestion, air pollution then healthy problems for people who reside in shanty towns and surrounded areas. Moreover, the reasonable prices of cars and fuels encourage people to purchase private automobiles because they have already an illustration which says having a car will save time and money, but sometimes this illustration may be wrong. Hence, many countries attempt to reduce cars uses by encouraging people to use public transportation as the best way to solve the problem of air pollution and traffic congestion. To reduce cars uses, some solutions have been suggested; one of them is to connect all areas by one system of public transportation. This step may be very costly for some governments, but it will reduce the uses of private vehicles. Moreover, issuing a uniform ticket for buses and railways will make public transportation more desirable than using private cars. On the other hand, some solutions have been suggested to solve the problems of urbanisation in general. One of these solutions is to encourage people to stay in rural areas by establishing all the desirable facilities which exist in large cities such as schools, hospitals and public transportation in countryside. Also governments must produce informative programmes for those squatters who want to migrate from rural areas to megacities. For those people who want to continue searching in this area, this project recommends them to search how governments can set up informative programmes effectively to persuade migrants to stay in rural areas. BIBIOLGRAPHY Adams, W.M. (1999). Sustainability. In P. Cloke, P. Crang M. Goodwin (Eds.), Introducing human geographies (pp. 125-130). London: Arnold. Bilham-Boult, Blades, H., Hancock, J., Keeling, W. Ridout, M. (1999). People, places and themes (pp. 202-205; P. 208). Oxford: Heinemann. Elliot, J.A (1999). An introduction to sustainable development. London: Routledge. Newman, P. (1999). Transport: reducing automobile dependence. In D. Satterthwaite (Ed.), The Earthscan reader in sustainable cities (pp. 67-92). London: Earthscan Publications. UK Government. (2004). Sustainable development; the UK governments veiw. Retrieved October 10, 2004, from government website: http://www.sustainable-development.gov.uk

Salt And Its Uses :: essays research papers

Salt and Its Uses As we know, salt is the most useful resource found on earth. In Ancient Rome, salt was used as part of the salary to the soldiers. From this, we can see that salt was as valuable as gold in the past. In our daily life, besides making nutritious food more palatable, salt is very useful in making bakery products, canned and frozen foods. Salt is a good preservative that retards the growth of micro-organisms to make food storage possible for a long period of timie before refrigeration. Recently, an opinion that is harmful to our health was raised by Dr. Arthur Hull Hayes, Jr,. former comissioner of the U.S. Food and Drug Admistration in 1981. The American Heart Dissociation, the American Medical Association also joined the low-salt appeal. They believe that sodium salt is connected with heart disease, circulator disorder, stroke and even early death. By many doctors and researchers are now beginning to feel that salt has gone too far. At the University of Alabama, a short-term research has been done on 150 people on the effect of the intake of salt related to high blood pressure. Result shows that those with normal blood pressure experience no change at all when placed in a extremely low salt diet, or later when salt was introduced, Of the hypertensive subjects, half of those on the low salt diet did experience a drop in blood pressure, which returned to its previous leel when salt was introduced. Of course, these are other researcherswhgich tend to support the findings. A small Indiana study showed that when normal individuals took large amount of salt, the bolld pressure did not consistenly rise into the hypertensive range. Also, study in Israel showed that a low-calorie diet could reduce blood pressure without changing salt consumption. After viewing research statistics, we should know that salt is not exactly harmful to us. In fact, our bodies have a continual need for salt because our bodies need sodium and chloride ions each with a different task. Chloride maintains the balance of water in cells and its environment. It also plays a part of digestion. Sodium assists in regulating the volumn of blood and blood pressure. Also, it facilitates the transmission of nerve impulses and is necessary for heart and muscle contraction. Without this, our bodies could not function properly. Salt And Its Uses :: essays research papers Salt and Its Uses As we know, salt is the most useful resource found on earth. In Ancient Rome, salt was used as part of the salary to the soldiers. From this, we can see that salt was as valuable as gold in the past. In our daily life, besides making nutritious food more palatable, salt is very useful in making bakery products, canned and frozen foods. Salt is a good preservative that retards the growth of micro-organisms to make food storage possible for a long period of timie before refrigeration. Recently, an opinion that is harmful to our health was raised by Dr. Arthur Hull Hayes, Jr,. former comissioner of the U.S. Food and Drug Admistration in 1981. The American Heart Dissociation, the American Medical Association also joined the low-salt appeal. They believe that sodium salt is connected with heart disease, circulator disorder, stroke and even early death. By many doctors and researchers are now beginning to feel that salt has gone too far. At the University of Alabama, a short-term research has been done on 150 people on the effect of the intake of salt related to high blood pressure. Result shows that those with normal blood pressure experience no change at all when placed in a extremely low salt diet, or later when salt was introduced, Of the hypertensive subjects, half of those on the low salt diet did experience a drop in blood pressure, which returned to its previous leel when salt was introduced. Of course, these are other researcherswhgich tend to support the findings. A small Indiana study showed that when normal individuals took large amount of salt, the bolld pressure did not consistenly rise into the hypertensive range. Also, study in Israel showed that a low-calorie diet could reduce blood pressure without changing salt consumption. After viewing research statistics, we should know that salt is not exactly harmful to us. In fact, our bodies have a continual need for salt because our bodies need sodium and chloride ions each with a different task. Chloride maintains the balance of water in cells and its environment. It also plays a part of digestion. Sodium assists in regulating the volumn of blood and blood pressure. Also, it facilitates the transmission of nerve impulses and is necessary for heart and muscle contraction. Without this, our bodies could not function properly.

God’s Hands Behind Boxing Gloves Essay

It was after the 1960 Rome Olympics. A well-built man stood by a river and threw a gold medal into the waters. He had been rejected entrance in an all-white gathering, he who had brought pride to his nation.   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   The man was Muhammad Ali. He showed that no amount of worldwide recognition can be balm enough to the injustices and racism that was so prevalent during his time. The recognition that he earned at the Olympics was not ticket to equality, and he realized this instantly. He cared not for the medal, but the respect that his art and skill bring to the man, not the personality that the public knows. Muhammad Ali was not afraid to be seen with the much celebrated and controversial Malcolm X, and he fought his battles with as much confidence and gusto as he did within the ring and off it.   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Dubbed as the â€Å"Athlete of the Century†, Muhammad Ali is known all over the world as one of the greatest boxers of all time. Indeed, with all bravado he dared call himself the Greatest. And he was, in many aspects not confined in the boxing ring.   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Born as Cassius Clay Jr., he left behind his â€Å"slave name† and took up the name Muhammad Ali to assert his individuality and faith. His action has spurred black pride, as the man continued to prove to be more than just a boxer, but more importantly a black who is not afraid to succeed and fight for his rights. He refused to be inducted in the US Army as a stance against the war. He was imprisoned and stripped off his boxing title for his refusal, but he trained even behind bars and came back to recapture the championship and the people’s hearts. He staged his fights in developing countries that signaled a shift from first-world supremacy to an awareness of the existence of cities such as Manila and Kuala Lumpur. Muhammad Ali has visited and reached out to Afghanistan, North Korea, Cuba, Iraq and South Africa, going where there is strife and bringing goodwill.   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Even after his popularity as a professional boxer has waned, his heart of gold shone brightly as ever. He promoted understanding at a time when there was discord in the streets, he embraced difference and stood his ground and pushed with his quiet way of battling racism – not through force but through tolerance. It was through not harboring hate that he gained peace of mind and freedom. He was a living example to all the blacks who wanted to be free. He has touched the lives, minds, and spirits of peoples from all over the world, from impoverished countries, to ghettoes, to aspiring boxers. He continues to make a difference in the lives of those around him, contributing to research centers and humanitarian works, gracing Make-A-Wish-Foundation and soup kitchens. Even if his claim to fame have been his powerful fists, more lasting was the kindness that his hands have shared to countless people. Muhammad Ali was known for wit, charm, and cocky, especially his famous proclamation, â€Å"I am the greatest†.   And the world agrees.

The Brute

The drama essay â€Å"The Brute† by Anton Chekhov is typically referred to that subgenre of comedy known as the farce. What separates a farce from the more pedestrian and commonplace â€Å"comedy† is that it is infused with a sense of whimsy as well as a detachment from reality that, paradoxically, should serve to make it all the more realistic. In the case of The Bear the farcical elements are utilized to heighten the emotional intensity that is under normal circumstances subject to far too much control and restraint to allow it freedom in a work of drama as short as this play.The revelation that love and the realization of love is enough to make Smirnoff undergo the series of truly bizarre and unexpected changes in register could probably only be accomplished in a farce. The arguments that take place between Mrs. Popov and Smirnov serve both to provide the comic material for the play and as a foundation upon which to build Smirnov's growing realization that he succumb ing to the ultimate debt of love. Popov has retained her commitment to her husband long after his death has released her from that debt.Smirnov is a landowner who had lent money to Mr. Popov's husband before his death and who has now shown up to demand repayment because he, in turn, is facing down his own creditors. The cyclical nature of debt and repayment serves as a metaphor for relationships between men and women. The play proceeds from a point of Popov's refusal and Smirnov's reactions. It is the evolution of Smirnov's reactions that is the key to understanding his character.The progression of the play is through dialogue rather than action and the progression of the dialogue of Smirnov is one of self-assuredness-almost cockiness-to a sense of losing control, which ultimately leads Smirnov to realize he has fallen in love. Smirnov boasts that he has â€Å"refused twelve women and nine have refused† him. These are the words of a man still secure in his independence before a woman; an insecure man never admits that a woman has refused him, much less nine. The subject at hand is still the debt as the argument intensifies, but then Mrs.Popov takes it from the financial to the personal. She attacks his very humanity by crying out â€Å"You're nothing but a crude, bear! A brute! A monster! â€Å". Finally, things progress-as it seems it always must-to weapons being brought to bear. Mrs. Popov goes for her husband's pistols, essentially turning the argument into a full scale duel. There is only one problem: Mrs. Popov does not know how to fire the gun. At this point, she ceases to be a debtor and is well on her way to becoming a woman. Smirnov is lost.Smirnov's reactions to Mrs. Popov change considerably after weapons are introduced and since it is clear he has no real fear for his life, this change that comes over only can only be attributed to a death in his original feelings for the widow as his emotional trek comes to a rest a full one-hundred eight y degrees from where he started. Nothing in either his words or his actions could lead one to suppose that any element of truth is expressed when Smirnov asserts â€Å"If she fights I'll shoot her like a chicken! . One can well imagine the Smirnov who first entered Mrs. Popov's home at the beginning of the play actually entertaining this idea-if not actually going through with it-but the words ring empty and hollow by the point at which they are actually spoken. The Bear is a drama-perhaps even a tragedy if one cares to extrapolate what may happen to these two characters once the curtain comes down upon this small moment in their lives-masquerading as a farce. And, of course, it has to be that way.If the events that take place within the short period of time allotted in this short play were played straight and dramatically, Smirnov's strange, comedic odyssey from cold, heartless debt collector to overwhelmed object of love would draw even more laughs, albeit unintentionally. To sho w the absurdity of Smirnov's situation, indeed the absurdity of how any two people come to fall in love, the farce is the writer's best weapon. It provides a method of distancing the audience from realizing they too are characters in a real life farce every time they fall in love.