Why Do Harmful Agents Cause the Most Severe Birth Defects

question 29

Multiple Choice

Why do harmful agents cause the most severe birth defects during the embryonic period?

• A) This is a period of rapid differentiation when cells and tissues acquire specific functions and organs form.
• B) This is the period when substances pass most easily through the placenta.
• C) The mother's hormones are at the highest levels at this time.
• D) The embryo has not yet implanted into the uterus.

---

Definitions:

Cybersecurity

The practice of protecting systems, networks, and programs from digital attacks aimed at accessing, changing, or destroying sensitive information.

American Citizens

Individuals who hold citizenship in the United States of America, either by birth or naturalization.

Inelastic Good

A product or service whose demand does not significantly change with a change in its price, indicating consumers' necessity or lack of substitutes.

Gasoline Expenditures

The total amount of money spent by consumers on gasoline, encompassing both retail purchases for vehicles and other uses.