time period is 7–10 days. Commonly‚ the further the injury from the central nervous system‚ the longer the incubation
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bring these two types of molecules together so that they can effectively activate even more T cells (“up to 20% of all T cells”) in a non-specific manner due to the superantigen binding to the Variable B region of T cells. Cytokines‚ which are immune system proteins which are secreted for the purpose of carrying signals amongst cells‚ are released as a result of this increased activation of T cells and may even induce toxic shock. This Toxic Shock Syndrome is due to Staphlyococcus aureus‚ characterized
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health status. Health compromising behavior by individual is the main factor in health. TOPIC 1: OVERVIEW OF HIV & AIDS The origin of HIV AIDS Human Immunodeficiency Virus HIV is a lent virus‚ which is a class of viruses that attack the immune system. Lent viruses are in turn part of a larger group of viruses known as retroviruses. The name ’lent virus ’ literally means ’slow virus ’ because they take such a long time to produce any adverse effects in the body. These viruses have been
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the immune system will already have memory antibodies to fight the disease before symptoms occur. Since the introduction of vaccines for illness causing pathogens‚ diseases such as measles‚ polio and the common flu have greatly decreased in occurrence. With that being said‚ not all vaccines have been proven to be safe or effective. One virus that does not yet have an effective preventative vaccine is the Human Immunodeficiency Virus (HIV). HIV is a retrovirus that attacks the human immune system
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Stress: The Silent Killer Stress is an overlooked reason people have health problems. Reducing stress is guaranteed to give you a healthier life and can prevent future health problems! Stress!!! Most of us feel some kind of stress every day. The dictionary defines stress as physical‚ mental‚ or emotional strain or tension. Everyday 87 percent of the population lives under this type of stress. We worry about money‚ children‚ jobs‚ our spouse or significant other and hundreds of other things
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foreign substances‚ which may be organic‚ inorganic or biological agents and they enhances/ provokes/ elicits the immune response against that when they are enters the body pareneterally. Immunogen is a molecule that stimulate the immune response in the system When a foreign bodies or substances enter the system or body‚ it mediates immediate or delayed type of immune response. Various level of defense will be taken place to devoid the antigen. Humoral and cell mediated immunity
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measles outbreak‚ experts say vaccine delayers compose a larger and growing group. “(Reddy) Children’s are unprotected to transmittable vaccine‚ which is preventing diseases at the most susceptible ages and possibly threaten the idea of people’s immune system which involves that majority of a population which then is vaccinated to keep those who can’t get a vaccine safe‚ like newborn babies or children with cancer or serious immunity
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Biology Revision Notes Biochemical Tests: Proteins - add biurettes reagent to the sample. If protein is present‚ clear colour change from blue to purple. Reducing Sugars – add Benedict’s reagent to the sample. Heat in Bunsen or water bath. If reducing sugars are present‚ clear colour changes from blue -> orange red precipitate. Lipids – dissolve sample in ethanol. Slowly pour the solution into the water slowly. If lipids are present a white emulation forms on the surface. Starch – add iodine
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Microbiology‚ Test 3 Study Guide Chapters 14‚ 15‚ 16 and 17 Chapter 14 This chapter is about the principles of disease and epidemiology. Epidemiology – the science that studies when and where diseases occur and how they are transmitted. CDC‚ Atlanta‚ tracks and traces diseases. ONE World (the idea that it’s all in one place‚ it could happen anywhere; locally‚ states‚ large counties track the incidences and occurrences of disease)
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person’s immune system is broken‚ allowing viral and bacterial contagions to attack as the HIV reproduces so rapidly. Since the immune system cannot ably fight off both exterior and interior infections‚ a person becomes severely and frequently unwell. The HIV sufferer can then be said to have AIDS. Ultimately any opportunistic diseases will cause that person to die. The disease gained the name “Acquired Immune Deficiency Syndrome” (AIDS) after a cellular deficiency of the human immune system was found
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