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Fetal alcohol syndrome (FAS) is unlike other teratogens in that the harmful effects on the fetus:

A) Directly result in liver damage
B) Extend throughout the pregnancy
C) Are most noticeable in adulthood
D) Cause death in early childhood

Marked as best answer by SanFran78

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Ans: B
 Unlike other teratogenic exposures that cause abnormalities during a short period of time during fetal development (usually in the early weeks), fetal alcohol (FAS) damages the chromosomes of the developing fetus as long as alcohol continues to circulate through the fetal bloodstream. FAS is diagnosed by the presence of three findings that do not include liver abnormalities and are not life threatening. Facial features characteristic of FAS are most noticeable during childhood.

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