"Running Has Become an Important Part of My Life

question 64

Multiple Choice

"Running has become an important part of my life. After a good three miles, I begin to feel euphoric. This positive feeling stays with me most of the day." This runner is describing the

• A) action of serotonin depletion during physical exertion.
• B) extended "high" from GABA reuptake.
• C) compensatory affects of acetylcholine.
• D) production of endorphins.

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Definitions:

Mean Weight

The average mass of objects or individuals, calculated by summing their weights and dividing by the number of objects or individuals.

Sample

A subset of individuals, items, or data taken from a larger population, used to make inferences about the whole population.

Confidence Interval

A span of numbers obtained from sampled data which probably encompasses the value of a not yet known parameter of the overall population.

Cholesterol

A waxy, fat-like substance found in the cells of the body, important for various biological functions but harmful at high levels.