Multiple Choice
Continual lymphocyte circulation is needed because
A) antigen is usually present in large amounts.
B) lymphocytes have a small chance of recognizing a particular antigen.
C) the chance of a naïve cell encountering its target antigen is moderately high.
D) there are relatively few antigen-presenting cells in the lymph nodes compared to lymphocytes.
E) All of the answers are correct.
Correct Answer:

Verified
Correct Answer:
Verified
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