A 1-day-old infant was exposed to an infectious microorganism prior to discharge home from the hospital, but was able to affect a sufficient immune response in the hours and days following exposure
The nurse knows that which of the following immunoglobulins assisted with this process?
A) IgA
B) IgG
C) IgM
D) IgD
Ans: B
Feedback:
IgG is the only class of immunoglobulins to cross the placenta, and maternally transmitted IgG is effective against most microorganisms and viruses.
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