Question

good day, please select all correct options:

B lymphocytes            

 A. are part of the innate immune system.   

 B. secrete immunoglobulins.        

 C. are cytotoxic.  

 D. are stimulated by CD4 T lymphocytes. 

E. become plasma cells.

Answer 1

Let's consider the given options:

A. This is incorrect as B lymphocytes are a part of adaptive immune response which is the second line of defense.

B. This is correct as B lymphocytes produce antigen specific immunoglobulin.

C. This is incorrect as it is T lymphocytes who are cytotoxic in nature and not B lymphocytes.

D. This is correct as CD4 T lymphocytes are responsible to stimulate other immune cells including B lymphocytes to fight infection.

E. It is correct as B cells differentiate into plasma cells that secrete antibodies.

Hence, the answer is B, D and E.