In Regard to Fetal Activity and Inactivity, Fetuses

question 45

Multiple Choice

In regard to fetal activity and inactivity, fetuses

• A) do not have true sleep states, but they do have periods of inactivity while awake.
• B) have periods of high activity and rest while awake, and they have both active and quiet sleep states.
• C) are essentially asleep most of the day and night, but their sleep can be active or quiet.
• D) are in constant motion throughout the day and night.

---

Definitions:

Income Effect

The change in consumption resulting from a change in real income, which can stem from increases or decreases in wages, or from price changes affecting the purchasing power of income.

Substitution Effect

The change in consumption resulting from a change in the price of a product, leading consumers to substitute that product with another.

Income Effect

The change in an individual's or economy's income and how that change will impact the quantity demanded of a good or service.

Opportunity Cost

The cost of not choosing the next best alternative when making a decision.