Measles‚ one of the most contagious of all human infections‚ majority cases are resolve without serious complications‚ however‚ measles can cause pneumonia and encephalitis. Rubella or commonly called German Measles infects children or adults‚ it causes a mild illness. As for Mumps it affects the lining of the brain and spinal cord‚ not ultimately harmful. Pertussis known as whooping caugh is another highly contagious disease that affects the respiratory system. Whooping cough is most dangerous for
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such as cancerous cells________________ 2. Pathogens are classified according to their size and where they are located in the body. List the five types of pathogens from largest to smallest: • _____ Parasitic worms_____ • ________Fungi________________ • _____Protozoa_____________________ • ____Bacteria______________________ • ______Virsuses____________________ 3. Which type of pathogen is always intracellular? ______Viruses__________ Which type of pathogen is always extracellular? _______Parasitic
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Should people get Influenza Virus Vaccine? Introduction In winter‚ many people get caught by a flu. To prevent this‚ there is a flu vaccine‚ which has to be inoculated every year. There are many different opinions about this topic and this investigation will amplify some positive as well as negative effects of flu vaccine. Biological Background A flu (or biological name: influenza virus) is caused by the Influenza virus. There are three different types of this virus: Influenza-A-Virus‚ Influenza-B-Virus
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Vida Darley NRS 202 Ati skills module: infection control. Prevention and controlling infections are very important in so many areas of life. There are so many measures that are taken to control the spread of infections. As health care professionals we have to have the knowledge of nosocomial infection also known as hospital acquired infections so that we can have proper precaution equipment and ways of preventing them. Number one safest way to prevent infection is proper hand washing technique
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11/8/2013 Organization of Presentation Disease Stages‚ Transmission of Pathogens‚ and Epidemiology COS Headings: Microbial Growth and Microbes in the Environment Microbiology Demystified: chapter 13 • • • • • • • • • Disease terminology Types of Microbiota Disease classification Host involvement of diseases Stages of disease Modes of transmission and reservoirs of diseases Portals of entry and exit Nosocomial infections and emerging diseases Epidemiology Course Mentor: Kim Shahi‚ PhD Vocabulary
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TASK 1 The body ’s first line of defence against pathogens uses mostly physical and chemical barriers such as sweat‚ skin‚ tears‚ mucus‚ stomach acid‚ and so on. Our skin and other membranes which line the body passages are fairly effective in keeping most pathogens out of the body. Mucus can trap pathogens‚ which are then washed away or destroyed by chemicals. Tears‚ sweat‚ and saliva have certain chemicals which can kill different pathogens. Bacterial spores and fungi are naturally present
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cause perforations in the infected cells. When both of these mechanisms are through they will help destroy pathogens in the infected body. This diagram will help with the visualization of these mechanism and their processes. Killer T-cells combine with antigens on the surface of any invading cell and release a powerful group of chemicals called lymphokines. Some lymphokines kill the pathogens directly‚ others stimulate lymphocytes to become active and help increase the inflammation so that there are
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Septicemia – blood poisoning systemic infection arising from multiplication of pathogens in blood 6. Bacteremia – presence of bacteria in blood‚ Toxemia – presence of toxins in blood and viremia – presence of virus in blood 7. Primary infection – acute infection that causes initial illness 8. Secondary infection – caused by an opportunistic pathogen after primary weakens defenses 9. Subclinical (inapparent) infection is one that does not cause any noticeable
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Knowledge specification DN22 1) SKULL. The skull consists of 28 bones‚ 22 of which form the framework of the head and provide protection for the brain‚ eyes‚ and ears; six are ear bones. With the exception of the lower jaw bone and the ear bones‚ all skull bones are joined together and fixed in one position. The seams where they join are known as sutures. The bones of the skull are classified as either cranial or facial bones. Cranial Bones. The cranium is formed by eight major
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surface via Class II MHC molecules * Helper T cells recognise antigens displayed in this way | The antigens‚ signal to other cells so they may either know what to look for or know to destroy the cells that these antigens are attached to. 2. Pathogens: AIDS/HIV Type | Caused by the Human Immunodeficiency Virus | Methods of control | Reverse transcriptase inhibitors: These drugs inhibit the ability of the virus to make copies of itselfProtease inhibitors (PIs): These medications interrupt
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