A Single Bout of Exercise Increases VEGF MRNA Less in a Trained

question 32

Multiple Choice

A single bout of exercise increases VEGF mRNA less in a trained muscle than in an untrained muscle. The most plausible explanation for this difference is that trained muscle has more

• A) capillaries, so intracellular oxygen delivery remains higher during exercise.
• B) mitochondria, so it can generate much more force than untrained muscle.
• C) capillaries, so intracellular oxygen delivery remains lower during exercise.
• D) mitochondria, so it does not need more capillaries.

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Definitions:

Personality

The combination of characteristics or qualities that form an individual's distinctive character, affecting how they think, feel, and behave across various situations.

Situationist

Pertaining to the theory that environmental and situational contexts significantly influence behavior, as opposed to traits being solely responsible.

Correlation

A statistical measure that indicates the extent to which two variables fluctuate together, without implying causation.

Effect Size

A quantitative measure of the magnitude of a phenomenon, effect, or difference, used to understand the significance of research outcomes.