Which of the Following Is NOT True of Muscle Fatigue

question 4

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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