Which of the following is true about the harm done by teratogens?
A) Passive smoking is rarely harmful to the developing fetus.
B) The genetic makeup of the mother and the developing organism plays an important role.
C) The negative impact of teratogens is usually reversible.
D) The most serious defects occur in the period of the zygote.
Correct Answer:
Verified
Q35: In the final three months,the fetus gains
Q36: A teratogen is
A)any environmental agent that causes
Q37: Which of the following statements is true
Q38: Currently,the most widely used,potent teratogen is
A)aspirin.
B)Accutane.
C)thalidomide.
D)diethylstilbestrol (DES).
Q39: Babies born addicted to drugs
A)are almost always
Q41: Low-level radiation,resulting from industrial leakage or medical
Q42: The more alcohol a woman consumes during
Q43: If untreated,toxemia can cause
A)convulsions in the mother
Q44: Which of the following is true about
Q45: Prenatal exposure to dioxins is
A)only harmful during
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