Which of the following laboratory tests is used to diagnose anisocytosis, a condition characterized by unequal sizes of red blood cells?

A Reticulocyte count
B Red cell distribution width (RDW) test ✓
C Mean corpuscular volume (MCV) test
D Erythrocyte sedimentation rate (ESR) test

Explanation

The RDW test measures the variation in red blood cell size, making it a useful diagnostic tool for anisocytosis.

Source

Clinical Hematology: Theory and Procedures
Hematology Hematology: Anemia Hematology: Anemia Easy MEDICAL Confidence: high