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
All of the following are functions of CD 4 helper cells, except- 
Select and explain. 
A. Immunogenic memory, B. Produce immnoglobulins, C. Activate macrophages, D. Activate cytotoxic cells
B: Produce immnoglobulins
Answer: B: Produce immnoglobulins 
Explanation: CD4 T cells are helper T cells. They stimulate B cells to produce antibodies, release of cytokines and are responsible for memory. They do not directly produce any antibody by their own. Basic Pathology, Robbins. Page no.:101