To pick up something heavier than your pencil, your nervous system could
A) stimulate larger motor units
B) decrease the frequency of stimulation to allow a more prolonged contraction to occur
C) decrease the refractory periods
D) block acetylcholinesterase at the neuromuscular junction to allow acetylcholine to function longer
E) none of these
Correct Answer:
Verified
Q37: An action potential rapidly spreads to the
Q38: Which statement is incorrect about cross bridges?
A)
Q39: During excitation-contraction coupling,
A) The action potential travels
Q40: According to the sliding-filament mechanism, the
A) A
Q43: With eccentric muscle contractions:
A) Development of tension
Q45: Twitch summation
A) results from increases in cytosolic
Q46: Muscle tension
A) is created during muscle contraction
Q47: Based on the length-tension relationship,
A) Stretching
Q51: Muscles developing tension while lengthening are performing
Q59: During an isometric contraction, the muscle
A)maintains a
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