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Question

The condition called is observed in high altitudes where oxygen concentration is lower than the plains.

A
thrombocytopenia
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B
polycythemia
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C
erythrocytopenia
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D
leukaemia
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Solution

The correct option is B polycythemia
Polycythemia is the condition where the number of RBCs increase in the blood. This is required in high altitudes where the amount of oxygen is lower in the atmosphere compared to the plains. Erythrocytopenia is a condition where the number of RBCs decrease in blood. The number of platelets decrease during thrombocytopenia and in leukemia, the number of WBCs increase.

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