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Ch. 27 questions
Bacterial Diseases and Intoxications of the GI tract
| Question | Answer |
|---|---|
| What is the transmission mode of cholera? | untreated water as well as by fecal-oral route |
| What physiological reaction does choleragen affect? | causes massive loss of electrolytes |
| what notable differentiating characteristic does shigellosis have compared to salmonellosis? | unlike salmonellosis, a sx of shigellosis is bloody diarrhea with raspberry jam stool |
| what is EMB agar used for? | culture coliforms to trace occurrence of fecal contamination in water and other food sources |
| Describe the etiology and sympptomatology of infantile diarrhea | caused by local strain of E. coli--transmission of fecal-oral, and sx include diarrhea |
| Describe the etiology and symptomatoloty of Traveler's diarrhea | occurs when people encounter E coli with a newenterotoxin that they haven't been exposed to--sx is diarrhea |
| Describe the etiology and symptomatology of Cystitis and bacteriuria | E. coli causes cystitis or bacteriuria--sx include high frequency of urination with pain |
| Give the name of the organism, etiology, and disease characteristics of typhoid fever | caused by Salmonella typhi--spread by chronic carriers with inadequate hygiene--sx intestinal ulcers, bloody diarrhea, rose spots, and stepladder fever |
| How long can carriers spread Salmonella typhi? | throughout a lifetime |
| What is salmonellosis? | organisms transmitted from reptiles--raw eggs, poultry, raw milk, mayonnaise--spreads from symptomatic/asymptomatic chronic carriers who wash inadequately |
| what is typhoid fever? | presents with intestinal ulcerations and bloody stools--bacteremia develops with rose spots and stepladder fever |
| Helicobacter pylori is associated with what diseases? | causes gastritis in otherwise healthy individuals--assooc. with about 90% of gastric ulcers and gastric cancer |
| How do people get botulism? | by eating can survive boiling, freezing, and drought and remain viable in the soil for hundreds of years |
| How does sporulation help Clostridium botulinum in survival and disease transmission? | can survive in boiling, freezing, and drought and remain viable in the soil for hundreds of years |
Created by:
heatherlvn
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