What Was the Most Critical Lesson About Teratogens Learned from Studies

question 137

Multiple Choice

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

• A)Sometimes what appear to be teratogens actually are harmless drugs.
• B)Infants in the late foetal 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:

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Personnel from the armed forces sent to assist or train the military of other nations without being directly involved in combat operations.

Army-McCarthy Hearings

A series of Congressional hearings in 1954 where Senator Joseph McCarthy's claims of Communist infiltration in the U.S. Army were investigated, leading to his eventual censure.

McCarthy's Rantings

Refers to the careless and aggressive accusations made by Senator Joseph McCarthy during the 1950s, particularly against alleged communists in the U.S.

Unemployment Rate

The percentage of the labor force that is jobless and actively looking for employment, used as an indicator of the health of an economy.