Compared to undifferentiated B cells,
A) Plasma cells are more effective antigen-presenting cells
B) Plasma cells have increased amounts of granular endoplasmic reticulum
C) Memory cells respond faster to antigen
D) Both plasma cells are more effective antigen-presenting cells and memory cells respond faster to antigen are correct
E) Both plasma cells have increased amounts of granular endoplasmic reticulum and memory cells respond faster to antigen are correct
Correct Answer:
Verified
Q24: Antibodies are
A)Secreted by helper T cells
B)Cytokines
C)Immunoglobulins
D)Composed of
Q25: Autoimmune diseases
A)Include multiple sclerosis and AIDS
B)Can be
Q26: Helper T cells
A)Are activated by antigen presented
Q27: Graft rejection
A)Occurs primarily because donor macrophages recognize
Q28: Antibodies
A)Are secreted by plasma cells
B)Protect against viruses
Q30: Cytotoxic T cells
A)Secrete perforin, which kills bacteria
Q31: Allergic reactions are the result of
A)Inappropriate responses
Q32: Systemic responses to infection
A)Are mediated by cytokines
Q33: Which of the following statements regarding the
Q34: Activated macrophages
A)Are activated by interferon-gamma
B)Preferentially kill abnormal
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