Microbiology Questions-8

8. A25-year-old man with acquired immune deficiency
disease (AIDS) has malabsorption,
chronic abdominal pain, low-grade fever, and
nonbloody diarrhea. In fecal smears, large
numbers of oocysts containing four sporozoites
were observed. Which of the following organisms
is most likely the etiological agent?
(A) Cryptosporidium parvum
(B) Entamoeba histolytica
(C) Giardia lamblia
(D) Microsporidia species
(E) Taenia solium

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