What Was the Most Critical Lesson About Teratogens Learned from Studies

question 53

Multiple Choice

What was the most critical lesson about teratogens learned from studies on the use of the drug DES by pregnant women? ​

• A)Sometimes what appear to be teratogens actually are harmless drugs.
• B)Infants in the late fetal period appear to be the most at risk for impact from drug-related teratogens.
• C)Sometimes the effects of teratogens are not apparent until long after exposure.
• D)Females appear to be at much greater risk from teratogens.

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Definitions:

First Milk

Colloquially known as colostrum, a nutrient-rich fluid produced by mammals immediately following childbirth before the production of true milk begins.

Serum

The clear yellowish fluid that remains from blood plasma after clotting factors have been removed.

White Blood Cells

Cells of the immune system involved in protecting the body against both infectious disease and foreign invaders.

Distressful Symptoms

Unpleasant physical or psychological signs that cause discomfort or suffering to an individual.