SBA — Single Best Answer · Review
Question 609
Immunology → General
Classification
Question
SSBAQuestion Header
Which CD marker is restricted to B lymphocytes among the listed cell types?
Question Stem
Select the single best answer.
Options
A
CD3
B
CD64
C
CD66
D
CD19
E
CD68
Explanation
CD19 is a B-cell marker. CD3 is associated with T cells, CD64 with monocytes, CD66 with granulocytes and CD68 with macrophages.
Option Validity
A) CD3 is a T-cell marker.
B) CD64 is associated with monocytes.
C) CD66 is associated with granulocytes.
E) CD68 is associated with macrophages.
Further Reading
Saxena MRCOG-1 Basic Sciences — Immunology: Cells and Humoral Elements of Acquired Immunity, printed page 210.