BIOLOGY IN HUMAN WELFARE
HUMAN HEALTH AND DISEASE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Since PCBs may cause birth defects in a human fetus, they are classified asI. CarcinogensII. MutagensIII. Tetatogens
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I only
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II only
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III only
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I and II only
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I, II, and III
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Explanation:
Detailed explanation-1: -A teratogen is any agent that causes an abnormality following fetal exposure during pregnancy. Teratogens are usually discovered after an increased prevalence of a particular birth defect. For example, in the early 1960’s, a drug known as thalidomide was used to treat morning sickness.
Detailed explanation-2: -Teratogens are classified into four types: physical agents, metabolic conditions, infection, and finally, drugs and chemicals.
Detailed explanation-3: -If a drug is classified as being teratogenic, it means that medication has the potential to cause developmental malformations or birth defects to a fetus when taken by a pregnant woman.
There is 1 question to complete.