Asked by ABRAN SOTELO GARCIA on Sep 23, 2024
Verified
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.
Conduction Failure
The inability of nerves to transmit signals effectively, which can lead to various neurological symptoms and dysfunction.
Lactic Acid
An organic compound produced in muscles during strenuous exercise when oxygen levels are low, contributing to the sensation of fatigue.
- Comprehend the principle of muscle exhaustion and identify its origins.
Verified Answer
NS
Nishan Sandhu5 days ago
Final Answer :
C
Explanation :
Muscle fatigue usually occurs during prolonged or intense muscle activity, not during light work or exercise.
Learning Objectives
- Comprehend the principle of muscle exhaustion and identify its origins.
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