The J-Shaped Relationship Between the Intensity of Exercise and the Risk

question 7

Multiple Choice

The J-shaped relationship between the intensity of exercise and the risk of URTI suggests that the risk URTI is lowest in people who

• A)are sedentary.
• B)engage in moderate exercise.
• C)engage in vigorous exercise.
• D)none of the above answers are correct

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Definitions:

Ancestral Characters

See shared ancestral characters.

Maximum Likelihood

A statistical method for estimating the parameters of a model, where the estimated parameters maximize the likelihood of observing the given sample data.

Systematists

Scientists who study the diversity of life and the evolutionary relationships between organisms, classifying them into a systematic framework.

Probability

A measure of the likelihood of a particular event or outcome occurring, expressed as a number between 0 and 1.