Oxygen Consumption: 1) Increases with Exercise

question 3

Multiple Choice

Oxygen consumption:
1) increases with exercise.
2) is the amount of oxygen used by the body.
3) is inversely related to carbon dioxide production.
4) is about 250 mL/min in the resting adult.

• A) 1, 2
• B) 3, 4
• C) 2, 4
• D) 1, 2, 4

---

Definitions:

Physiological Arousal

The body's physical response to stimuli, manifested through increased heart rate, muscle tension, and other bodily changes.

Coronary Heart Disease (CHD)

A condition characterized by reduced blood flow to the heart muscle, often due to buildup of plaque in the coronary arteries.

Antidepressants

Medications prescribed to treat depression and other mood disorders, working by altering brain chemicals to improve mood and emotional state.

Heart Rate Variability

The physiological phenomenon of variation in the time interval between heartbeats, considered an indicator of the body's stress level and autonomic nervous system function.