Tuesday, May 26, 2020

Tuberculosis Is An Illness Of The Elderly, The Alcoholic,...

Introduction Pulmonary tuberculosis is an illness of the elderly, the poor, the alcoholic, and, today, the drug addict. TB, an indication of the frightening mortality of tuberculosis is contained in a report written about New York City in 1826. At that time New York had a population of 166,086. The total number of deaths in the two years preceding the report was 9,359, of which 1,579 were due to consumption. This means TB accounted for 17% of deaths due to all causes. Even today, almost 150 years later, TIn 1971 in New York City there were 310 recorded deaths from TB. In 1972 the total rose to 331. Once up on a time although Pulmonary TB a leading cause of death was under control in US, still hundreds of cases were reported every week†¦show more content†¦TB patients need to take two first line drugs for a period of 18 months – two years, with this chemotherapy patient is non infectious within a period of 2 weeks and can come back to his normal daily activities even going back to work also. As a result hospitalization for TB these days is minimal; patients who tested positive for TB were usually hospitalized until smear is negative continuing the chemotherapy on an outpatient basis. Hospitalization is also useful in assessing or analyzing the drug side effects during chemotherapy. Role of nurse 25 years ago taking care of a patient infected with TB for a nurse was very complicated and the nurse would be late in completing her assignments due to time consuming isolating techniques at complete bed rest and facing an anxious patient for months and even years making the job undesirable and there was also a danger the nurse who is treating TB patient would infect herself with TB. But the breakthrough in the chemotherapy in the treatment of TB has distinctly affected the role of nurse. The new TB drugs have eliminated most of the dangerous aspects that involved in TB patient care, but the new role of nurse is more difficult because of increased responsibility, the success of treatment for TB depends on the patients regularly following the medication for a long period just like Hypertension and it is the duty of R.N’s to make certain

Wednesday, May 6, 2020

The Iliad Essay - 1854 Words

Divine Intervention is a â€Å"direct and obvious intervention by a god or goddess in the affairs of humans†. In various myths such as the Iliad, the Epic of Gilgamesh, and Herakles, divine intervention was called upon in order to restrain a hero’s destructive or too powerful forces. Although the divine intervention was used to impair different heroes, the purpose to constrain was the same in all the narratives. Homer’s The Iliad: Book XX features a battle between the Trojans and Achaians, shortly after Patroklus’ death (Lattimore Book XVI), where the gods must intervene in order to restrain Achilleus’ destructive nature that becomes amplified due to the grief and wrath as a result of the loss of his cousin/lover. The divine foresaw an early†¦show more content†¦It plays a main role in the beginning with the creation of Enkidu, the middle with Ishtar, and the end with the destruction of Enkidu. The gods first intervene when Gilgamesh’s subjects call for help to them for the sake of the young women oppressed by the â€Å"lord’s right†. The Great Mother Goddess creates Enkidu to stand up against Gilgmesh to stop his destructive nature that has terrorized his city (Dalley 39-50). Gilgamesh domesticates Enkidu and they create a friendship which turns Gilgamesh less destructive towards his citizens, thus limiting his destructive power and also fo cusing the remaining towards monsters; but together they make some wrong choices and their destructive natures are portrayed during the Cedar Forest incident and the killing of the bull of heaven (Dalley 83,102). For retribution of killing the bull that Ishtar had sent due to her rejection, Enkidu is destroyed by the gods; warning Gilgamesh that he isn’t exempt from this fate if he continues being uncontrollable and tyrannical (Dalley 120-125). Euripides’ tragedy, Herakles, consistently portrays divine intervention as if it’s a direct challenge between a divine figure, Hera, and a hero, Herakles. Hera’s hatred for Herakles stems from his parentage, Alcmene and Zues (Hera’s husband), making Herakles an offspring created by his unfaithfulness towards her (Sleigh 12). Hera also dislikes the fact that he has godlyShow MoreRelatedThe Iliad Of The Homer s Iliad Essay1475 Words   |  6 PagesThe Iliad ranks as one of the most important and most influential works in terms of world literatures since its establishment. Between the underlying standard to which the Iliad offers us as audience members, along with the plethora of writers that have followed in the footsteps to which Homer’s Iliad paved, the impact that the Iliad has played is remarkable in itself. While the Iliad can be credited for much of present day literature we study today, Hollywood can be created for the plethora ofRead MoreTh e Iliad1088 Words   |  5 PagesThe Iliad is the quintessential epic. It is full with gods, goddesses, heroes, war, honor, glory, and the like. However, for just short while near the very conclusion Homer avoids all of those epic qualities. The banquet scene in Book XXIV is the most touching, the most human scene in the entire poem . In the midst of the dreadful gulf of war and anger there occurs an intimate moment between two men who ironically have much in common below the surface. Priam, old and fragile, makes his wayRead MoreAnalysis Of The Iliad 915 Words   |  4 Pagesto support this line. One such work of literature is Homer’s great epic, The Iliad. This poem, encompassing the telling of the great Trojan War, is one of the best examples of such a text. Throughout the text, it lays before the reader many separate scenes of violence, rather than grouping all of the battles together into one war like historic anthologies do. There are many scenes of violence throughout the poem, The Iliad, many of which contribute to the complete work, a small selection of these scenesRead MoreThe Epic Of The Iliad943 Words   |  4 Pages The Iliad tells the story of the battles between the Achaeans and the Trojans, and the events happening during the weeks of arguing between King Agamemnon, the leader of the Greeks, and Achilles, Greece’s greatest warrior. These events play the role of a playground for the gods, as they often intervene and usually change the outcome of certain events. In regard to Homer, Longinus claims that he feels â€Å"indeed that in recording as he does the wounding of the gods, their quarrels, vengeanceRead MoreThe Iliad And The Odyssey1060 Words   |  5 Pages â€Å"Hateful to me as the gates of Hades is that man who hides one thing in his heart and speaks another.† (The Iliad pg.405) The quote is relevant to the stories Homer created during the period of the Trojan War. Homer orally performed two of his best works The Iliad and The Odyssey. Homer’s stories are old and probably translated differently than their original telling. Homer’s The Iliad and The Odyssey still show the basic human emotions and are an inspiration to other authors, poets, and oral presentersRead MoreThe Iliad and the Odyssey1510 Words   |  7 Pages The Iliad and the Odyssey are two classic stories told by Homer. Within these two stories the roles of the gods are very important to the story line and ho w they affect the characters throughout. In the Iliad, more gods are involved with the characters whereas in the Odyssey there are only two major gods that affect two major characters. The roles of the gods in the Iliad are through two different stances of immortal versus immortal and mortal versus immortal. The roles of the gods in the OdysseyRead MoreThe Iliad By Homer892 Words   |  4 Pages The Iliad by Homer depicts the great struggle by Agamemnon and the Greeks to take the mighty city state of Troy and return Helen to her rightful husband, Menelaus. While many ponder if the war actually happened, or why the gods always seemed to be more human than humans themselves, few ask the key but often overlooked question; why is Agamemnon the leader of the Greeks in the first place? What happened that put him in charge of the Greek forces? Why does there seem to be an underlying resentmentRead MoreThe Eruption Of The Iliad1558 Words   |  7 PagesFay Blakley English 2030 – W4 Prof. Dr. Atkinson 24 September 2015 Humanization of The Iliad The eruption of the Trojan War might stand as one of the most relevant events in Greek mythology. A raging war between kings and gods alike shed blood bath, eventually bringing Troy to a crumble. Was the war intended to be a battle between the mortals? Throughout the epic of Homer’s The Iliad, the gods take on human characteristics, allowing their feelings guide them, intervening, through the war. Read MoreThe Iliad, by Homer980 Words   |  4 Pages The Iliad written by Homer in the days of Ancient Greece has become one of the most epic poems of all time. It is a poem that has been debated for centuries. Within the tale of Achilles and the wrath of war lies a magnificent object that is shortly mentioned in Book 18. The brief section in Book XVIII, lines 505-660, described the shield that Achilles would carry into battle. However, it also tells us something about the nature of Achilles and his heroic image full of rage and anger. In orderRead MoreThe Iliad And The Odyssey1498 Words   |  6 PagesAn Influential Poem The Iliad is a poem that provides important stories with insight into early human society. It was an ancient story written centuries ago about two civilizations that battled against each other. â€Å"The Iliad tells the story of the clash of two great civilizations, and the effects of war on both the winners and losers† (Homer 222). In addition to its influence on Greek poetry, the Iliad is a great Homeric epic that has long helped shape critical schools of thought. It is not

Tuesday, May 5, 2020

Chemistry of Soaps and Detergents free essay sample

Chemicals in Food Chemicals are added to food for (i) their preservation, (ii) enhancing their appeal, and (iii) adding nutritive value in them. Main categories of food additives are as follows: (i) Food colours (ii) Flavours and sweeteners (iii) Fat emulsifiers and stabilising agents (iv) Flour improvers – antistaling agents and bleaches (v) Antioxidants (vi) Preservatives (vii) Nutritional supplements such as minerals, vitamins and amino acids. Except for chemicals of category (vii), none of the above additives have nutritive value. These are added either to increase the shelf life of stored food or for cosmetic purposes. In this Section we will discuss only sweeteners and food preservatives. Artificial Sweetening Agents Natural sweeteners, e. g. , sucrose add to calorie intake and therefore many people prefer to use artificial sweeteners. Ortho-sulphobenzimide, also called saccharin, is the first popular artificial sweetening agent. It has been used as a sweetening agent ever since it was discovered in 1879. It is about 550 times as sweet as cane sugar. It is excreted from the body in urine unchanged. It appears to be entirely inert and harmless when taken. Its use is of great value to diabetic persons and people who need to control intake of calories. Some other commonly marketed artificial sweeteners are given in Table 16. 1. Aspartame 100 Saccharin 550 Sucrolose 600 Alitame 2000 Table Table 16. 1: Artificial Sweeteners Aspartame is the most successful and widely used artificial sweetener. It is roughly 100 times as sweet as cane sugar. It is methyl ester of dipeptide formed from aspartic acid and phenylalanine. Use of aspartame is limited to cold foods and soft drinks because it is unstable at cooking temperature. Alitame is high potency sweetener, although it is more stable than aspartame, the control of sweetness of food is difficult while using it. Sucrolose is trichloro derivative of sucrose. Its appearance and taste are like sugar. It is stable at cooking temperature. It does not provide calories. Food Food preservatives prevent spoilage of food due to microbial growth. Preservatives The most commonly used preservatives include table salt, sugar, vegetable oils and sodium benzoate, C6H5COONa. Sodium benzoate is used in limited quantities and is metabolised in the body. Salts of sorbic acid and propanoic acid are also used as preservatives. Cleansing Agents In this Section, we will learn about detergents. Two types of detergents are used as cleansing agents. These are soaps and synthetic detergents. These improve cleansing properties of water. These help in removal of fats which bind other materials to the fabric or skin. Soaps Soaps are the detergents used since long. Soaps used for cleaning purpose are sodium or potassium salts of long chain fatty acids, e. g. stearic, oleic and palmitic acids. Soaps containing sodium salts are formed by heating fat (i. e. , glyceryl ester of fatty acid) with aqueous sodium hydroxide solution. This reaction is known as saponification. In this reaction, esters of fatty acids are hydrolysed and the soap obtained remains in colloidal form. It is precipitated from the solution by adding sodium chloride. The solution left after removing the s oap contains glycerol, which can be recovered by fractional distillation. Only sodium and potassium soaps are soluble in water and are used for cleaning purposes. Generally potassium soaps are soft to the skin than sodium soaps. These can be prepared by using potassium hydroxide solution in place of sodium hydroxide. Types of soaps Basically all soaps are made by boiling fats or oils with suitable soluble hydroxide. Variations are made by using different raw materials. Toilet soaps are prepared by using better grades of fats and oils and care is taken to remove excess alkali. Colour and perfumes are added to make these more attractive. Soaps that float in water are made by beating tiny air bubbles before their hardening. Transparent soaps are made by dissolving the soap in ethanol and then evaporating the excess solvent. In medicated soaps, substances of medicinal value are added. In some soaps, deodorants are added. Shaving soaps contain glycerol to prevent rapid drying. A gum called, rosin is added while making them. It forms sodium rosinate which lathers well. Laundry soaps contain fillers like sodium rosinate, sodium silicate, borax and sodium carbonate. Soap chips are made by running a thin sheet of melted soap onto a cool cylinder and scraping off the soaps in small broken pieces. Soap granules are dried miniature soap bubbles. Soap powders and scouring soaps contain some soap, a scouring agent (abrasive) such as powdered pumice or finely divided sand, and builders like sodium carbonate and trisodium phosphate. Builders make the soaps act more rapidly. The cleansing action of soap has been discussed in Unit 5. Why do soaps not work in hard water? Hard water contains calcium and magnesium ions. These ions form insoluble calcium and magnesium soaps respectively when sodium or potassium soaps are dissolved in hard water. These insoluble soaps separate as scum in water and are useless as cleansing agent. In fact these are hinderance to good washing, because the precipitate adheres onto the fibre of the cloth as gummy mass. Hair washed with hard water looks dull because of this sticky precipitate. Dye does not absorb evenly on cloth washed with soap using hard water, because of this gummy mass. Synthetic Detergents Synthetic detergents are cleansing agents which have all the properties of soaps, but which actually do not contain any soap. These can be used both in soft and hard water as they give foam even in hard water. Some of the detergents give foam even in ice cold water. Synthetic detergents are mainly classified into three categories: (i) Anionic detergents (ii) Cationic detergents and (iii) Non-ionic detergents (i) Anionic Detergents: Anionic detergents are sodium salts of sulphonated long chain alcohols or hydrocarbons. Alkyl hydrogensulphates formed by treating long chain alcohols with concentrated sulphuric acid are neutralised with alkali to form anionic detergents. Similarly alkyl benzene sulphonates are obtained by neutralising alkyl benzene sulphonic acids with alkali. In anionic detergents, the anionic part of the molecule is involved in the cleansing action. Sodium salts of alkylbenzenesulphonates are an important class of anionic detergents. They are mostly used for household work. Anionic detergents are also used in toothpastes. (ii) Cationic Detergents: Cationic detergents are quarternary ammonium salts of amines with acetates, chlorides or bromides as anions. Cationic part possess a long hydrocarbon chain and a positive charge on nitrogen atom. Hence, these are called cationic detergents. Cetyltrimethylammonium bromide is a popular cationic Cetyltrimethyl ammonium bromide detergent and is used in hair conditioners. Cationic detergents have germicidal properties and are expensive, therefore, these are of limited use. (iii) Non-ionic Detergents: Non-ionic detergents do not contain any ion in their constitution. One such detergent is formed when stearic acid reacts with polyethyleneglycol. Liquid dishwashing detergents are non-ionic type. Mechanism of cleansing action of this type of detergents is the same as that of soaps. These also remove grease and oil by micelle formation. Main problem that appears in the use of detergents is that if their hydrocarbon chain is highly branched, then bacteria cannot degrade this easily. Slow degradation of detergents leads to their accumulation. Effluents containing such detergents reach the rivers, ponds, etc. These persist in water even after sewage treatment and cause foaming in rivers, ponds and streams and their water gets polluted. These days the branching of the hydrocarbon chain is controlled and kept to the minimum. Unbranched chains can be biodegraded more easily and hence pollution is prevented.