Why would a person have anti-Rh antibodies present in their blood?

A. They are Rh-positive and were exposed to Rh-negative blood.
B. An Rh-negative woman is carrying an Rh-positive fetus.
C. A person cannot have anti-Rh antibodies in their blood.
D. An Rh-positive woman is carrying an Rh-negative fetus.


Answer: B

Anatomy & Physiology

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