John Has Been Gaining Weight During Middle Adulthood

question 8

Multiple Choice

John has been gaining weight during middle adulthood.He feels fine and exercises,but still gains weight.John's weight gain is attributed to

• A)the amount of body fat that begins to increase with age.
• B)hypertension.
• C)the body not being able to rid itself of excess fat cells.
• D)emotional issues.

---

Definitions:

Appetite

The natural desire to satisfy a bodily need, especially for food.

Hypothalamus

A region of the brain that regulates numerous bodily functions, including temperature, thirst, hunger, sleep, mood, and the release of hormones.

Membrane Potential

The voltage difference across a cell's plasma membrane, due to the distribution of ions, important for conduction of impulses in neurons.

Voltage-Gated

Relating to ion channels that open or close in response to changes in membrane potential.