Why Do Harmful Agents Cause the Most Severe Birth Defects

question 2

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 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.

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Definitions:

Disposable Income

Disposable income for households after accounting for income taxes, meant for spending and saving.

Marginal Propensity

The ratio of change in an economic variable, such as consumption or saving, to a change in another variable, like income.

Disposable Income

The net income available to individuals or households after taxes have been deducted, available for spending, saving, or investing.

Consumption

The act of using goods and services by households, contributing to the overall demand in an economy.