Melissa Has Just Completed Running a Marathon

question 1

Multiple Choice

Melissa has just completed running a marathon. She is so elated that she feels little fatigue or discomfort. Her lack of pain is probably the result of the release of

• A) ACh.
• B) endorphins.
• C) dopamine.
• D) norepinephrine.

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Definitions:

Output

Energy, matter, or information from a system given out by the system as a result of its processes.

Adaptive Responses

The adjustments or changes made by an organism or individual to environmental stimuli or stressors, enhancing survival and functioning.

Conceptual Framework

A group of related concepts.

Theory

A system of ideas that is proposed to explain a given phenomenon (e.g., theory of gravity).