Concerning activation of lymphocytes,
A) lymphocytes must be activated by an antigen to produce a specific immune response.
B) lymphocytes have antigen-binding receptors on their surface.
C) helper T cells release interleukin 2,which stimulates lymphocytes to divide.
D) lymphocytes in a clone all have identical antigen-binding receptors.
E) lymphocytes have all of these characteristics
Correct Answer:
Verified
Q61: Antibody-mediated immunity is effective against
A)bacteria.
B)viruses.
C)toxins.
D)extracellular antigens.
E)All of
Q62: _ is an example of delayed hypersensitivity.
A)Hay
Q63: Which of the following is incorrectly paired?
A)uticaria
Q64: Bacteria,pollen,and transplanted tissue are examples of
A)self antigens.
B)pyrogens.
C)foreign
Q65: After cutting yourself severely on a can
Q67: Protease inhibitors are drugs that interfere with
A)formation
Q68: Which of the following is NOT a
Q69: B cells
A)are lymphocytes.
B)become mature in the thymus.
C)are
Q70: _ is (are)found on the posterior surface
Q71: Antibody molecules
A)have a constant region that binds
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