MISCELLENOUS
VACCINATION
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 Question 
 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
 
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 The cells which provide signals to B cells for complete activation 
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  T regulatory 
 
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  T cytotoxic 
 
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  T helper 
 
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  All of the above 
 
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 Explanation: 
Detailed explanation-1: -B cells can receive help from armed helper T cells when antigen bound by surface immunoglobulin is internalized and returned to the cell surface as peptides bound to MHC class II molecules. Armed helper T cells that recognize the peptide:MHC complex then deliver activating signals to the B cell.
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