Dendritic cells are also known as professional APCs as they have greater responsibility than B cells.

Correct Answer: True
Dendritic cells are also known as professional APCs because they work specifically in activating T cells. Dendritic cells deliver signals in order to activate T cells. They are most efficient to function in primary immune response. On the other hand, B cells are specific for a given antigen and do not spontaneously react to primary immune response. They are efficient to function in secondary responses only.