18.) This malaria parasite species is characterized by a crescent-shaped or bana

Question

18.) This malaria parasite species is characterized by a crescent-shaped or banana shaped gametocyte and the presence of multiple ring forms is. A. Plasmodium falciparum B. Plasmodium malariae C. Plasmodium ovale D. Plasmodium vivax

19.) This parasite is characterized by having extra and intra-erythrocytic ring forms. The ring forms may be oriented at right angles forming a “Maltese cross”. A. Babesia species B. Plasmodium falciparum C. Plasmodium malariae D. Plasmodium vivax

20.) An immunocompromised patient continues to have diarrhea after repeated ova and parasites (O&P). Examnations (sedimentation concentration, trichrome permanent stained smear) were reported as negative. Organisms that might be responsible for the diarrhea include: A. Cryptosporidium parvum, Cyclospora cayetensis and Sarcocystis hominis B. Cyclospora cayetensis, microsporidia and Pneumocystis carinii C. Cryptosporidium parvum and microsporidia D. All of the above

Explanation / Answer

18.) This malaria parasite species is characterized by a crescent-shaped or banana shaped gametocyte and the presence of multiple ring forms is
The answer is A. Plasmodium falciparum

The gametocytes of P. malariae is in round shape and P. ovale also is in a round in shape but it is larger than red blood cells.

19.) This parasite is characterized by having extra and intra-erythrocytic ring forms. The ring forms may be oriented at right angles forming a “Maltese cross”.
The answer is A. Babesia species

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