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Periodic appearance of malaria symptoms ...

Periodic appearance of malaria symptoms occur due to periodic

A

Entry of merozoites into erythrocytes

B

Attack of liver cells by merozoites

C

Formation of signet ring

D

Release of pyrogen in blood

Text Solution

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The correct Answer is:
D
The malaria paroxysm comprises three successive stages. The first is 15-60 min. cold stage characterized by shivering and a feeling of cold. Next comes 2-6 hrs hot stage with high fever, then dry skin, nausea, headache and vomiting.
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