Question

A person suffering from a disease caused by Plasmodium, experiences recurring chill and fever at the time when

• A. The microgametocytes and megagametocytes are being destroyed by the WBCs.
• B. The sporozoites released from RBCs are being rapidly killed and broken down inside spleen.
• C. The trophozoites reach maximum growth and give out certain toxins.
• D. The parasite after its rapid multiplicaiton inside RBCs ruptures them, releasing the stage to enter fresh RBCs.

Answer 1

The correct option is D The parasite after its rapid multiplicaiton inside RBCs ruptures them, releasing the stage to enter fresh RBCs.

The malarial paroxysm usually last 4-8 hours and begins with a sudden onset of chills in which the patient experiences an intense feeling of cold and elevated temperature. This is referred to as the cold stage and is characterised by a vigorous shivering. It is caused by the rupture of the infected erythrocytes and the release of merozoites which further affects the new RBC.

So, the correct answer is option D.