What is the primary cause of anemia in patients with autoimmune hemolytic anemia?

A Inadequate erythropoiesis
B Excessive red blood cell destruction ✓
C Impaired iron absorption
D Defective heme synthesis

Explanation

Autoimmune hemolytic anemia is characterized by the production of autoantibodies against red blood cells, leading to their premature destruction.

Source

Harrison's Principles of Internal Medicine
Hematology Hematology: Anemia Hematology: Anemia Medium MEDICAL Confidence: high