A blood disorder characterized by a marked increase in the number of erythrocytes resulting in increased blood volume and viscosity is known as:

A. Polycythemia vera
B. Monocytic leukemia
C. Thrombocytopenia
D. Lymphocytic leukemia



Answer :

Final answer:

Polycythemia vera is a blood disorder with increased erythrocytes causing higher blood volume and viscosity.


Explanation:

Polycythemia vera is a blood disorder characterized by a marked increase in the number of erythrocytes, leading to elevated blood volume and viscosity. This condition results from the overproduction of immature red blood cells and can increase the risk of blood clots and circulation difficulties.


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