Help! Final Exam for Alters and Alters

Question 14 of 60   1.667 Points
Dak has a bacterial infection and his B cells are displaying bacterial antigen on their surfaces. Contact with what is required to induce these defense cells to clone?

 

   A. Memory cells   
 

   B. Helper T cells   
 

   C. Immunoglobulins   
 

   D. Antibodies   
 

   E. Plasma cells   
Question 15 of 60   0.0 Points
Eunice is extracting interleukin-1 from tissue cultures. Under what conditions in an animal would interleukin-1 be produced?

 

   A. When cytotoxic T cells attack virus-infected cells   
 

   B. When helper cells recruit B cells   
 

   C. When macrophages have engulfed germs   
 

   D. When complement attaches to antigens