Which of the following statements regarding the secretions of immune system cells is true?
A) Interleukin 2 is an autocrine secreted by cytotoxic T cells
B) Interleukin 1 is a paracrine secreted by macrophages and B lymphocytes
C) Interleukin 1 is an autocrine secreted by helper T cells
D) Both interleukin 2 is an autocrine secreted by cytotoxic T cells and interleukin 1 is a paracrine secreted by macrophages and B lymphocytes are true
E) All of the choices are true
Correct Answer:
Verified
Q28: Antibodies
A)Are secreted by plasma cells
B)Protect against viruses
Q29: Compared to undifferentiated B cells,
A)Plasma cells are
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
Q34: Activated macrophages
A)Are activated by interferon-gamma
B)Preferentially kill abnormal
Q35: Individuals who have been infected by the
Q36: Which of the following statements regarding blood-type
Q37: Which of the following statements regarding the
Q38: Which of the following is not a
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