The General Principle That the Impact of a Teratogen Depends

question 185

Multiple Choice

The general principle that the impact of a teratogen depends upon the genotype of the organism is best illustrated by

• A)rubella being more likely to cause birth defects during some times of pregnancy than during others.
• B)thalidomide during pregnancy causing deformed limbs,but not low birth weight,while the use of marijuana during pregnancy is associated with low birth weight but not deformed limbs.
• C)the effects of eating PCB-contaminated fish while pregnant not being obvious when a child is born,but appearing later in the child's life.
• D)two women who both drank heavily during pregnancy with one of them giving birth to a child with fetal alcohol syndrome and the other giving birth to a normal,healthy child.

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Definitions:

Frequent Smokers

Individuals who smoke cigarettes, cigars, or other tobacco products on a regular or daily basis.

12Th Grade

The final year of secondary education in many countries, typically completed by students aged 17 or 18.

Lower-Nicotine Cigarettes

Cigarettes that are engineered to contain reduced levels of nicotine, potentially aiding in smoking reduction or cessation.

Addicted Smokers

Individuals who have developed a dependency on nicotine, making it difficult to quit smoking despite wanting to.