Which of the following facts about exposure to teratogens is TRUE?
A) Prenatal exposure to tobacco increases sudden infant death syndrome.
B) Prenatal exposure to alcohol has no major ill effects.
C) Prenatal exposure to heroin causes physical deformities.
D) Prenatal exposure to marijuana has been linked to childhood cancer.

Question

Quizplus · Accepted Answer

Prenatal exposure to tobacco has been shown to increase the risk of sudden infant death syndrome (SIDS). B is incorrect as prenatal exposure to alcohol can have major ill effects (such as fetal alcohol syndrome). C is partially correct, as heroin use during pregnancy can cause physical deformities, but it is not the only drug to do so. D is incorrect as there is currently no scientific evidence linking prenatal exposure to marijuana and childhood cancer.

Which of the Following Facts About Exposure to Teratogens Is