What is the primary function of the buffy coat in a blood sample?

A To separate plasma from other blood components
B To remove platelets and white blood cells from the sample
C To concentrate platelets and white blood cells for analysis ✓
D To prevent clotting of the blood sample

Explanation

The buffy coat is the fraction of an anticoagulated blood sample after it has been centrifuged, where most of the white blood cells and platelets are concentrated.

Source

Clinical Hematology Principles and Applications
Hematology Hematology: Blood Components Hematology: Blood Components Easy MEDICAL Confidence: high