Multiple Choice
Which statement is true concerning the IgM?
A) IgM is the first antibody produced during the initial response to an antigen.
B) IgM mediates many common allergic responses.
C) IgM is the most abundant class of immunoglobulins.
D) IgM is capable of crossing the human placenta.
Correct Answer:
Verified
Correct Answer:
Verified
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