What is the name of the condition where there is an abnormal accumulation of methemoglobin in the blood, leading to a reduced ability to transport oxygen?

A Methemoglobinemia ✓
B Sickle cell disease
C Thalassemia
D Polycythemia vera

Explanation

Methemoglobinemia is a condition where there is an abnormal accumulation of methemoglobin in the blood, leading to a reduced ability to transport oxygen. This can be caused by genetic mutations or exposure to certain chemicals.

Source

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