Multiple Choice
Which of the following is correct concerning interleukin 4 (IL- 4) ?
A) It stimulates phagocytes.
B) It is needed for B lymphocyte activation and differentiation.
C) It ensures production of enough leukocytes.
D) Virally infected cells produce it.
E) It is a chemotactic factor for leukocytes.
Correct Answer:
Verified
Correct Answer:
Verified
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