Peripheral smear of malaria shows:: (A) Single ring form-Vivax, (B) Multiple ring-Falciparum, (C) Bar and band forms-Malariae, (D) Oval form-Ovale
Answer is B. Ans. b. Multiple ring-FalciparumPLASMODIUM SPECIESSpeciesImportant featuresBlood smearsLiver stagesTreatmentVivax48-hour fever, spikesEnlarged host cells; ameboid trophozoitesPersistent hypnozoites RelapseChloroquine, then PrimaquineOvale (2 substrains)48-hour fever, spikesOval, jagged, infected RBCsPersistent hypnozoites RelapseChloroquine, then PrimaquinePlasmodium malariae72-hour fever spikes; recrudescenceBar and band forms; rosette schizontsNo persistent stage; recrudescenceChloroquine (no radical cure necessary)Plasmodium falciparumIrregular fever spikes; causes cerebral malariaMultiple ring forms crescent-shaped gametesNo persistent stage; recrudescenceChloroquine for susceptible, non-severe cases Atovaquone proguanil, artemetherlumefantrine, mefloquine for resistant, non-severe cases Quinine/quinidine for severe casesPlasmodium knowlesi24-hour fever spikesSimilar to P. malariaeNo persistent stageChloroquine