This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
NK cell CD marker is- 
Select and explain. 
A. 16, B. 60, C. 32, D. 25
A: 16
Answer: A: 16 
Explanation: Harshmohan textbook of pathology 7th edition NK cells carries surface molecules of CD2, CD16, CD56. But negative for T cell marker CD 3. .