Q:

For each of the features of malaria listed on the left select the most appropriate association from the list on the right

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For each of the features of malaria listed on the left select the most appropriate association from the list on the right.

a. Blackwater fever.

b. Malignant tertian fever.

c. Tropical splenomegaly syndrome.


  1. Acute intravascular haemolysis.
  2. Overwhelming parasitaemia with shock.
  3. Pericapillary ring haemorrhages.
  4. Regresses with long-term antimalarial therapy.
  5. Release of merozoites from burst RBC.

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The answer is A, E, D. Acute haemolysis occurs in non-immune patients folowing quinine treatment for falciparum malaria.

Fever in malaria is either tertian (every 2 day) or quartan (every 3 days) and is due to release of merozoites from RBC's. Malignant tertian fever is due to P. falciparum.

Splenomegaly may occur in adults with falciparum malaria; its pathogenesis is uncertain.

Overwhelming parasitaemia with vascular collapse (B) is seen in algid malaria shock syndrome. Pericapillary ring haemorhages are seen in cerebral malaria.

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