Which mother is at most risk for a maternal-fetal blood incompatibility?
A) Mother is Rh-positive, and fetus is Rh-negative.
B) Mother is Rh-negative, and fetus is Rh-positive.
C) Mother has type A blood, and fetus has type O blood.
D) Mother has type AB, blood and fetus has type B blood.

Question

Quizplus · Accepted Answer

Maternal-fetal incompatibility exists if mother and fetus differ in ABO blood type or if the fetus is Rh-positive and the mother is Rh-negative.
Maternal-fetal incompatibility exists if mother and fetus differ in ABO blood type or if the fetus is Rh-positive and the mother is Rh-negative.
Symptoms do not occur in a type O fetus.
Symptoms do not occur in type AB mothers.

Which Mother Is at Most Risk for a Maternal-Fetal Blood