The Initial Cellular Events That Are Induced by Antigen-Mediated Cross-Linking

Multiple Choice

The initial cellular events that are induced by antigen-mediated cross-linking of the B cell receptor (BCR) complex include all of the following EXCEPT:

A) Increased percentage of time spent in mitosis,resulting in rapid proliferation
B) Increased expression of B7,resulting in enhanced APC function
C) Increased expression of bcl-2,resulting in improved survival
D) Increased expression of CCR7,promoting migration into lymph node follicles
E) Increased expression of the interleukin-2 receptor,resulting in enhanced proliferation and response to T cell signals