The nursing instructor is discussing disorders of the hematopoietic system with the pre-nursing pathophysiology class. What disease would the instructor list with a primary characteristic of erythrocytosis?
A) Polycythemia vera
B) Sickle cell disease
C) Aplastic anemia
D) Pernicious anemia
A
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Polycythemia vera is associated with a rapid proliferation of blood cells produced by the bone marrow. In sickle cell disease, HbS causes RBCs to assume a sickled shape under hypoxic conditions. Aplastic anemia has a deficiency of erythrocytes. Options B, C, and D do not have the characteristics of erythrocytosis.
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