45. \"Rice water stools\" are associated with disease caused by this organism: A

Question

45. "Rice water stools" are associated with disease caused by this organism: A. Vibrio vulnificus B. Vibrio parahaemolyticus C. Vibrio cholerac D. Campylobacter jejuni E. Helicobacter pylori 46. Which is not a characteristic of Helicobacter pylori? A. gram negative B. produces enterotoxin that causes diarrhea C. curved rods D. lives in the stomach E. produces urease that buffers stomach acidity 47. Which is mismatched? A. Epidemic typhus body louse feces B. Murine typhus - flea feces C. Rickettsial pox - mite bite D. Rocky Mountain spotted fever - tick bite E. Human ehrlichiosis flea bite 48. Which is incorrect regarding Q fever? A. Transmitted by lice B. Pathogen produces resistant spores C. Humans infected from unpasteurized milk and airborne spread D. Causes fever, muscle aches, rash, and sometimes pneumonia E. Is a zoonosis 49. Which is mismatched? A. Rickettsia rickettsii epidemic typhus B. Coxiella burnetii - Q fever C. Bartonella quintana trench fever D. Bartonella henselae cat scratch disease E. Rickettsia typhi - endemic (murine) typhus 50. Which of the following is not transmitted via an arthropod vector? A. Leptospirosis B. Lyme disease C. Rocky Mountain spotted fever D. Epidemic typhus E. Human Ehrlichosis

Explanation / Answer

Answer 45) vibrio cholerae

Answer 46) produces enterotoxin that causes diarrhea.

Answer 47) human ehrlichiosis- flea bite

Answer 48) transmitted by lice.

Answer 49) rickettsia rickettsii-epidemic typhus.

Answer 50) leptospirosis

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