Micro 04-30-08 - Whitney Barter Ch. 25 R 2, 5, 7, 10-12; MC...

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Whitney Barter Ch. 25 – R 2, 5, 7, 10-12; MC 2, 4 Ch. 26 – R 4, 6, 8-10; MC 2-4, 9, 10 4/30/08 5. Differentiate salmonellosis from typhoid fever. Both are caused by Salmonella enterica . However, typhoid fever is caused by a few strains of S. enterica that are invasive. The bacteria can cross the intestinal wall and can be disseminated throughout the body. Typhoid fever is characterized by fever and malaise without diarrhea. 7. What preventative treatments are currently used for hepatitis A, B and C? At present there are no treatments for hepatitis. Exposed individuals can be given pooled immune globulin for hepatitis A or HBIG for passive immunity to hepatitis B. Vaccines can prevent hepatitis A and B. 10. Explain how the following diseases differ and how they are similar: giardiasis, amoebic dysentery, Cyclospora diarrheal infection and cryptosporidiosis. All four are caused by protozoa. The infections are acquired by ingesting protozoa in contaminated water. Giardiasis is a prolonged diarrhea. Amoebic dysentery is the most severe dysentery, with blood and mucus in the stools. 11.
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Micro 04-30-08 - Whitney Barter Ch. 25 R 2, 5, 7, 10-12; MC...

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