Parasitology Mcq Repack
This type presents a patient scenario—a feverish traveler, a child with an itchy bottom, or a patient with eosinophilia. You must diagnose the parasite based on symptoms and travel history before answering the specific question.
A) Strongyloides stercoralis B) Giardia lamblia C) Fasciola hepatica D) Ancylostoma duodenale
A) Trichinella spiralis (muscle larvae) B) Ascaris lumbricoides (migrating larvae) C) Taenia saginata (adult tapeworm only) D) Strongyloides stercoralis (autoinfection) parasitology mcq
Which of the following parasites is known to cause a megaloblastic anemia due to vitamin B12 deficiency? A) Ancylostoma duodenale B) Diphyllobothrium latum C) Ascaris lumbricoides D) Trichuris trichiura
Infective vs. Diagnostic stages (e.g., the cyst vs. the trophozoite). 2. Helminthology (Parasitic Worms) This type presents a patient scenario—a feverish traveler,
A man presents with bloody diarrhea (dysentery) and right upper quadrant pain. Ultrasound shows a "anchovy paste" like lesion in the liver. Which of the following is the diagnostic trophozoite feature seen in a stool or aspirate?
A blood smear from a patient with cyclical fevers (every 72 hours) shows band-like ("cigar-shaped") gametocytes and multiple ring forms inside a single red blood cell. Which Plasmodium species is this? A) P. vivax B) P. ovale C) P. malariae D) P. falciparum and Apicomplexans (e.g.
A farmer in rural Brazil complains of fatigue, pallor, and "ground itch" (pruritic rash on feet). Labs show microcytic hypochromic anemia with eosinophilia. The ova seen in the stool are thin-shelled and contain a 4- to 8-cell morula. Which anatomical feature allows this parasite to cause chronic blood loss?
: Focuses on Amoebae (e.g., E. histolytica ), Flagellates (e.g., Giardia ), and Apicomplexans (e.g., Plasmodium for Malaria).
A) Plasmodium falciparum B) Plasmodium vivax C) Plasmodium ovale D) Plasmodium malariae