Question

What are the major categories of teratogens? (3 points)
Drugs and alcohol, radiation, poor nutrition
Infection, environmental agents, drugs and alcohol
Environmental agents, sexually transmitted diseases, poor nutrition
Poor nutrition, chromosomal abnormalities, radiation
Chromosomal abnormalities, drugs and alcohol, poor nutrition

Answer 1

Explanation:

Perhaps the two most important teratogens today are alcohol and smoking. They are among the leading preventable causes of birth defects and developmental disabilities.

Answer 2

The major categories of teratogens include infection, environmental agents, drugs, and alcohol.

• A teratogenic agent is any substance capable of altering the normal development of the embryo or fetus.

• These substances (teratogens) are harmful to health because they may produce congenital malformations.

• Some of the most common types of teratogens include solar rays (UV light), bacterial infections, chemicals (pesticides), and drugs (alcohol, nicotine).

In conclusion, the major categories of teratogens include infection, environmental agents, drugs, and alcohol.

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