How Is the Study of Life Span Development Related to an Understanding

question 87

Multiple Choice

How is the study of life span development related to an understanding of life expectancy?

• A) Estimating death rates is the only reason for us to study life expectancy.
• B) Estimating birth rates is the only reason for us to study life expectancy.
• C) Life expectancy has no relation to the way we study human development.
• D) Life expectancy provides a framework for timing about stages and periods of life.

---

Definitions:

Set Point

A theory suggesting that each individual has a genetically determined range of optimal weight and temperature that their body regulates to maintain.

Set Point

A theory suggesting that an individual's body weight and other physiological factors are regulated at a predetermined, or 'set', level by the brain.

Hunger

The physiological need for food, experienced as a compelling sensation prompting individuals to eat.

Metabolic Rate

The rate at which the body consumes energy to maintain basic bodily functions like breathing, circulation, and cell production.