Multiple Choice
All of the following statements reflect the qualities of a safe and effective vaccine, except
A) the injected material should be antigenic, but not pathogenic.
B) it should have a long shelf-life, be cheap to produce, and easy to administer.
C) efficacy must be maintained by booster shots every 5 years.
D) it should confer both humoral and cell-mediated immunity.
Correct Answer:
Verified
Correct Answer:
Verified
Q11: Activation of B cells can occur when
Q15: Which process involves antibodies cross-linking cells or
Q19: Antibody molecules circulate in lymph, blood, and
Q34: An activated T<sub>H</sub> cell produces _, which
Q39: High titers of specific antibodies are characteristic
Q40: The third line of defense against foreign
Q42: Which process involves a more rapid synthesis
Q43: Lymphocytes<br>A)possess MHC antigens for recognizing self.<br>B)have membrane
Q68: Immunotherapy is the<br>A)use of antitoxins.<br>B)use of immune
Q88: The structural and functional differences that distinguish