USMLE · Question #297
A 35-year-old male comes to the physician due to watery diarrhea of two weeks' duration. He also has a low-grade fever, fatigue and weight loss of 5kg (11 lbs) over the past month. Laboratory…
The correct answer is C. cryptosporidiosis. Cryptosporidium spp are protozoa commonly associated with chronic watery diarrhea in HIV/AIDS patients with CD4 cell counts less than < 100 cells/mmֲ³. It+ causes milder diarrhea in immunocompetent hosts and can be treated with nitazoxanide and prevented by filtering the city…
Question
Options
- Aamebiasis
- Bcryptococcosis
- Ccryptosporidiosis
- Dgiardiasis
- Etoxoplasmosis
How the community answered
(50 responses)- A2% (1)
- B2% (1)
- C84% (42)
- D8% (4)
- E4% (2)
Explanation
Cryptosporidium spp are protozoa commonly associated with chronic watery diarrhea in HIV/AIDS patients with CD4 cell counts less than < 100 cells/mmֲ³. It+ causes milder diarrhea in immunocompetent hosts and can be treated with nitazoxanide and prevented by filtering the city water supplies. The diagnosis can be made by acid fast staining of a stool specimen which reveals the presence of acid-fast oocysts.
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