Introduction to B Lymphocytes

Practice: Match the correct form of adaptive immunity to the scenarios below.

A. Cell-Mediated Immunity.                                B. Humoral Immunity

_____1. A macrophage acting as an APC is activated by a CD4 effector cell.
_____2. A naive B cell is activated after binding an antigen and differentiates into a plasma cell.  
_____3. Responds to exogenous antigens.  
_____4. Responds to endogenous antigens.
_____5. A liver cell infected with a virus undergoes apoptosis when signaled by a CD8 effector cell.  

Practice: What is the difference between a TCR and a BCR?

Practice: A naive B cell is activated when:

Practice: Antibodies are made by:

Practice: In which of the following sites in the body can B cells be found?

Practice: The antibody-secreting progeny of an activated B cell are called: