Dominic Is a Marathon Runner

question 142

Multiple Choice

Dominic is a marathon runner.He says that whenever he runs,he feels euphoric.He cannot begin his day without running for an hour.In the context of neurotransmitters,which of the following is most likely responsible for his feelings of pleasure from running?

• A)the action of serotonin depletion during physical exertion
• B)the extended "high" from GABA reuptake
• C)the compensatory effects of acetylcholine
• D)the release of endorphins

---

Definitions:

Z-Value

A statistical measure that quantifies the number of standard deviations a data point is from the mean of a data set.

Standard Error

A measure of the statistical accuracy of an estimate, equal to the standard deviation of the theoretical distribution of a large population of such estimates.

N

A symbol often used to represent a sample size or the number of observations or units in a dataset.

Sampling Distribution

The spectrum of probabilities for a predetermined statistic, collected from a random sample.