Which of the Following Is NOT True of Muscle Fatigue

question 7

Multiple Choice

Which of the following is NOT true of muscle fatigue?

• A) It involves a decrease in the force of muscle contraction, even when the muscle is still under stimulation.
• B) It may be caused by conduction failure, due to accumulation of K⁺ ions in the transverse tubules of skeletal muscle fibers
• C) It usually occurs when a muscle is being stimulated during very light work or exercise.
• D) It may be caused by decreased responsiveness of a muscle fiber to low pH, resulting from a build-up of lactic acid
• E) All of these are true of muscle fatigue.

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Definitions:

Confidence Interval

A gamut of values, resulting from sample analysis, expected to enfold the value of an undefined population characteristic.

Level of Confidence

The degree to which one can be sure that a particular parameter falls within a specific range, expressed as a percentage.

Confidence Interval

A range of values, derived from sample data, that is likely to contain the true value of an unknown population parameter.