When the maternal immune system becomes sensitized against antigens expressed by the fetus, what type of immune reaction occurs?
A) Autoimmune
B) Anaphylaxis
C) Alloimmune
D) Allergic

Question

Quizplus · Accepted Answer

This is an alloimmune reaction, where the maternal immune system reacts against foreign antigens from the fetus, which are genetically different from the mother.

When the Maternal Immune System Becomes Sensitized Against Antigens Expressed