Woolsorter's disease; Ragpicker's disease; Cutaneous anthrax; Gastrointestinal anthrax Last reviewed: June 9, 2011. Anthrax is an infectious disease due to a type of bacteria called Bacillus anthracis. Infection in humans most often involves the skin, gastrointestinal tract, or lungs. Causes, incidence, and risk factors Anthrax commonly affects hoofed animals such as sheep, cattle, and goats, but humans who come into contact with infected animals can get sick from anthrax, too. In the past, the
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Science Meets Real Life Angela Adams Kaplan University SC300: Big Ideas in Science: From Methods to Mutation Investigation A health department investigation has been initiated to discover why students have been missing school. In my research I have found both Truman and Jackson Middle Schools to have above average absentee records for the month of May. I was able to review school event calendars, interviews with students’ parents, attendance
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Hepatitis a Hepatitis A * What is the infectious agent (pathogen) that causes this infectious disease? For example, the name of the bacteria, virus, or parasite? The nick names for the infectious agent that causes infectious disease names are; hepatitis Immunization, Havrix, VAQTA. Hepatitis is an acute infectious disease that can harm the liver. Several diseases of the liver, collectively known as hepatitis, are caused by viruses. The viruses involved, five of which have been reasonably
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Unknown Lab Report The mixed unknowns were gram stained and looked under the microscope. There were gram-positive cocci and gram-negative bacilli. The unknowns were inoculated in blood agar and Mac-conkey. Three types of colonies were seen in the blood agar. All the three organisms showed different hemolysis, as there were alpha, beta and gamma hemolysis present. In the mac-conkey, there was colorless colony that denotes lactose non-fermenter. Each colonies were then inoculated into different blood
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1. The six elements in the chain of infection are the infectious agent, reservoir, exit route, method of transmission, entrance, and host. 2. Definitions a. Anaerobic-taking place in the absence of oxygen. b. Aerobic-taking place in the presence of oxygen. c. Medical asepsis-also called clean technique; consists of measure which inhibit the growth and spread of pathogenic microorganisms; does not destroy all microorganisms. d. Surgical asepsis-also called sterile technique;
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Acid-Fast Staining Acid-fast stain is a differential stain. More so, it is a physical property of certain bacteria, particularly a bacteria’s resistance to decolorization by certain acids during staining procedures. Most bacteria are decolorized by the use of acid-alcohol. However, the families of Mycobacteriaceae, Nocardiceae, Gordoniaceae, Dietziaceae, and Tsukamurellacea are acid fast. In 1882 acid fast staining was developed by Paul Ehrlich and was later successfully modified by Ziehl
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Food Born Illness Introduction There has been a drastic rise in food-borne illness in the United States. Food-borne illnesses are contracted by ingesting contaminated food or water with parasitic or bacterial agents. Last year millions of people were exposed to food borne illnesses and many died. Identify the infectious agent (pathogen)? A pathogen or infectious agent in colloquial terms means germ, a microorganism in the widest sense. There are six kinds of infectious agents such as
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Biology Worksheet i 1. Explain the process of pasteurization. Pasteurization is a process of heating a food, usually liquid, to a specific temperature for a definite length of time, and then cooling it immediately. This process slows microbial growth in food. The process was named after its creator, French chemist and microbiologist Louis Pasteur. The first pasteurization test was completed by Louis Pasteur and Claude Bernard on April 20, 1864. The process was originally conceived as a way of
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Are Seeds Alive? There had been a controversy between two theories: biogenesis and abiogenesis. Abiogenesis is the theory that life come about from non-life, and biogenesis is the theory of a living can only come from a living. Francesco Redi had seemed to prove abiogenesis in 1668. With his experiment he thought maggots arose from fly eggs; but to test his hypothesis he put meat in different flasks. Some were open to the air, some sealed completely, and others covered with gauze. And of course
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Clostridium perfringens * What is the infectious agent (pathogen) that causes this infectious disease? For example, the name of the bacteria, virus, or parasite. Clostridium perfringens is a bacterium that is a spore forming gram-positive bacterium that is found in the intestines of humans as well as animals. It prefers to grow in conditions that are Very little to no oxygen and in ideal conditions will multiply very rapidly. Some strains of C. perfringens produce a toxin in the intestine
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