Question

which of the following conditions results in thick blood as a result of having too many red blood cells?
a hemophilia
b polycythemia vera
c hyperlipidemia
d thalassemia

Explanation:

Hemophilia is a bleeding - disorder, hyperlipidemia is related to high lipid levels, and thalassemia is an inherited blood disorder with abnormal hemoglobin. Polycythemia vera is a condition where the bone marrow makes too many red blood cells, leading to thick blood.

Answer:

B. polycythemia vera