A permanently stained fecal smear revealed several cysts containing eight nucleoli that had clumped chromatin and eccentrically located karyosomes. The likely identity of this parasite is:

Question

Quizplus · Accepted Answer

The E. coli cyst usually contains five to eight nuclei, whereas E. histolytica's cyst will have up to four nuclei. Other parasitic cysts often have only one or two nuclei, and never more than four.

A Permanently Stained Fecal Smear Revealed Several Cysts Containing Eight