Juanita is having a normal pregnancy and the fetus is developing well.However,Juanita has recently picked up an infection and bacteria have accumulated in her blood stream.We know that most likely,
A)many of these bacteria will be able to enter the fetus's circulation.
B)the bacteria will be eliminated by the white blood cells of the fetus.
C)the bacteria will be eliminated by the antimicrobicidal secretions of the amnion.
D)the placental wall will block the bacteria from entering the fetus.

Question

Quizplus · Accepted Answer

The placental wall acts as a barrier and prevents most bacteria and other substances from crossing from the mother's bloodstream to the fetus's circulation. Therefore, it is most likely that the bacteria in Juanita's bloodstream will be blocked from entering the fetus by the placenta, and the fetus will remain unaffected.

Juanita Is Having a Normal Pregnancy and the Fetus Is