Most microbes cannot gain access to the fetus. However,__________ , which causes syphilis in adults, can cross the placenta and attack the fetus, causing stillbirths and mental retardation.
A) HIV
B) Treponema pallidum
C) Listeria
D) rubella
E) Staphylococcus

Question

Quizplus · Accepted Answer

Treponema pallidum is the bacterium responsible for syphilis, which is known to cross the placenta and can cause serious harm to the fetus, including stillbirths and mental retardation.

Most Microbes Cannot Gain Access to the Fetus