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Which of the Following Statements Regarding Whole-Muscle Contraction Is True

Question 37

Multiple Choice

Which of the following statements regarding whole-muscle contraction is true?

A) The order of recruitment of motor units in a muscle is such that the last units recruited are the first to experience fatigue
B) The order of recruitment of motor units in a muscle is such that the first units recruited generate the most tension
C) Motor units whose motor neurons have small-diameter cell bodies contract first, followed by motor units with larger-diameter motor neurons
D) Both the order of recruitment of motor units in a muscle is such that the last units recruited are the first to experience fatigue and the order of recruitment of motor units in a muscle is such that the first units recruited generate the most tension are true
E) Both the order of recruitment of motor units in a muscle is such that the last units recruited are the first to experience fatigue and motor units whose motor neurons have small-diameter cell bodies contract first, followed by motor units with larger-diameter motor neurons are true

Correct Answer: