What is the term for the condition where an individual has an excessive amount of hemoglobin in their blood, leading to increased blood viscosity?

A Polycythemia vera ✓
B Anemia
C Leukocytosis
D Thrombocytosis

Explanation

Polycythemia vera is a condition characterized by an overproduction of red blood cells, leading to an increase in hemoglobin levels and blood viscosity.

Source

Harrison's Principles of Internal Medicine
Hematology Hematology: Hemoglobin and Oxygen Transport Hematology: Hemoglobin and Oxygen Transport Hard MEDICAL Confidence: high