Card 23 / 54: Which of the following is NOT true about teratogens?
A)
Smoking, alcohol, and drugs are examples of teratogens
B)
Different organs are vulnerable to teratogens at different times.
C)
Mother.s stress level is considered as a teratogen to the zygote and embryo, but not to the fetus.
D)
Environmental pollutants and ionizing radiation can cause birth defects.
Answer:
C) Mother.s stress level is considered as a teratogen to the zygote and embryo, but not to the fetus.
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Prof.John GabrieliNeuroscientist
MIT Massachusetts Institute of Technology
USA
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