Which of the following is NOT accurate regarding studies of the placental barrier?
A) Cigarette smoke weakens fetal membranes.
B) Cortisol, a stress hormone, can cross from mother to her developing baby.
C) Most bacteria can pass from mother to her developing baby.
D) Ethanol from mother's alcohol use can pass to her developing baby.

Question

Quizplus · Accepted Answer

Most bacteria cannot pass through the placental barrier; it is designed to protect the fetus from infections. However, some viruses and small molecules like ethanol and cortisol can cross the barrier.

Which of the Following Is NOT Accurate Regarding Studies of the Placental