Answer Happy

Question 25 Both B cells and T cells (TH and Tc) have the ability to recognize different antigens due to: OA secretion of specific cytokines in response to specific antigen OB. secretion of antibody in response to specific antigen O C. ability to interact with MHC molecules O D. requirement for an antigen presenting cell (APC) O E different amino acid sequences producing different three-dimensional shapes of different BCRs and TCRs Question 26 All of the following apply to inactive subunit vaccines EXCEPT: O A use of a single antigen for the vaccine formulation OB. subunit vaccines may use capsular polysaccharide antigens OC. includes use of attenuated agents OD. will produce specific IgG and IgM OE will produce specific TH cells OF. all of the above apply, no exception Question 27 2 pts All of the following are characteristics of the immune system EXCEPT OA mobility so that system can be concentrated at site of infection OB. communication between system components to ensure a coordinated response OC. refers to host defense reactions to non-self molecules introduced to body OD. composed of multiple cells (WBCs), proteins, and tissues systemically distributed O E all of the above apply, no exception 2 pts 2 pts