This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Schizonts and late trophozoite stages of plasmodium falciparum not seen in peripheral blood smear because: 
Select and explain. 
A. They are sequestered in the spleen, B. Due to adherence to the capillary endothelium, they are not seen in peripheral blood, C. Due to antigen-antibody reaction and removal, D. They are seen in mosquito blood
B: Due to adherence to the capillary endothelium, they are not seen in peripheral blood
Answer: B: Due to adherence to the capillary endothelium, they are not seen in peripheral blood 
Explanation: Ans: B. Due to adherence to the capillary endothelium, they are not seen in peripheral blood(Ref: Harrison 1y/e p1371, Jawetz 27/e p719)Plasmodium falciparum:Only ring stages or gametocytes are seen in infected peripheral blood.Schizonts & late trophozoite stages of Plasmodium falciparum are not seen in infected peripheral blood.Parasites make red cells sticky a Tend to be retained in deep capillary beds (except in overwhelming fatal infections).