Chapter 25 - Microbial Diseases of the GI Tract Oral-Fecal...

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Microbial Diseases of the GI Tract Oral-Fecal Route of Transmission a. Bacteria-present in fecal contaminated water or foods, or thru certain sex practices b. Bacterial Toxins-present in fecal contaminated foods or incidentally contaminated foods left to incubate at room temperature c. Viruses- present in fecal contaminated waters or foods, or thru certain sex practices d. Protozoans- present in fecal contaminated waters or foods e. Helminths & Parasitic Worms- present in sewage contaminated waters or foods, or by contact with infected fomites or pets Normal Flora Mouth Strep mitis Strep. mutans Staph. Aureus Pharanyx Strep. Pyogenes Haemophilus influenzae Very few organisms Diseases: Gastric ulcers- Helicobacter pylori E. Coli Strep. faecalis Klebsiella pneumoniae
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Food Poisoning Staphylococcal Food poisoning- toxemia caused by enterotoxins produced by bacteria growing in improperly stored alkaline foods. Cooking will NOT destroy this toxin
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Chapter 25 - Microbial Diseases of the GI Tract Oral-Fecal...

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