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Questions and Answers
Which species of Plasmodium is responsible for most deaths and predominates in Africa, New Guinea, and Haiti?
Which species of Plasmodium is responsible for most deaths and predominates in Africa, New Guinea, and Haiti?
- P. malariae
- P. ovale
- P. vivax
- P. falciparum (correct)
In which region are P. falciparum and P. vivax equally prevalent?
In which region are P. falciparum and P. vivax equally prevalent?
- Central America
- Africa
- The Indian subcontinent
- South America, eastern Asia, and Oceania (correct)
Which species of Plasmodium does not cause relapse?
Which species of Plasmodium does not cause relapse?
- P. malariae
- P. falciparum (correct)
- P. knowlesi
- P. ovale
What is the duration of the intrahepatic phase of P. vivax in days?
What is the duration of the intrahepatic phase of P. vivax in days?
What is the preferred red cell type for P. vivax?
What is the preferred red cell type for P. vivax?
How do humans become infected with Plasmodium?
How do humans become infected with Plasmodium?
What is the primary mode of transmission of malaria?
What is the primary mode of transmission of malaria?
What is the approximate duration of the intrahepatic phase of P. falciparum?
What is the approximate duration of the intrahepatic phase of P. falciparum?
Which species of Plasmodium is responsible for most deaths?
Which species of Plasmodium is responsible for most deaths?
What is the typical morphology of P. falciparum in red blood cells?
What is the typical morphology of P. falciparum in red blood cells?
What is the approximate number of merozoites released per infected hepatocyte?
What is the approximate number of merozoites released per infected hepatocyte?
What is the duration of the erythrocytic cycle of P. falciparum?
What is the duration of the erythrocytic cycle of P. falciparum?
What happens when parasitized erythrocytes that have evaded splenic filtration rupture?
What happens when parasitized erythrocytes that have evaded splenic filtration rupture?
What is the function of gametocytes in the malaria parasite life cycle?
What is the function of gametocytes in the malaria parasite life cycle?
In which species of Plasmodium does a delay occur before the switch to gametocytogenesis?
In which species of Plasmodium does a delay occur before the switch to gametocytogenesis?
What is the result of the oocyst expanding by sexual division in the mosquito's gut wall?
What is the result of the oocyst expanding by sexual division in the mosquito's gut wall?
What is characteristic of infected erythrocytes in P. vivax infection?
What is characteristic of infected erythrocytes in P. vivax infection?
Can P. vivax infection cause relapses?
Can P. vivax infection cause relapses?
What happens to the liver cells after a period of asexual reproduction of the parasites?
What happens to the liver cells after a period of asexual reproduction of the parasites?
At what density of parasites in the blood does the symptomatic phase of infection begin?
At what density of parasites in the blood does the symptomatic phase of infection begin?
What is the role of the Duffy group antigen in P vivax infection?
What is the role of the Duffy group antigen in P vivax infection?
What happens to the RBCs after they are invaded by merozoites?
What happens to the RBCs after they are invaded by merozoites?
What is the primary cause of disease in humans in malaria?
What is the primary cause of disease in humans in malaria?
What mechanism plays a role in malaria in nonimmune individuals?
What mechanism plays a role in malaria in nonimmune individuals?
What is the approximate number of merozoites released per infected hepatocyte in malariae?
What is the approximate number of merozoites released per infected hepatocyte in malariae?
What is the duration of the erythrocytic cycle in malariae?
What is the duration of the erythrocytic cycle in malariae?
What is the characteristic preference of malariae when it comes to red cell selection?
What is the characteristic preference of malariae when it comes to red cell selection?
What is the typical color of the pigment produced by malariae?
What is the typical color of the pigment produced by malariae?
What is a common clinical manifestation of uncomplicated malariae?
What is a common clinical manifestation of uncomplicated malariae?
What is a complication of severe falciparum malaria?
What is a complication of severe falciparum malaria?
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