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) do all of the above
Correct Answer:
Verified
Q38: Of the steps in excitation-contraction below, which
Q39: Which statement is incorrect about cross bridges?
A)They
Q40: Sequence the following events involved in muscle
Q41: Twitch summation
A)is a means by which gradation
Q42: In twitch summation, the muscle fiber
A)is stimulated
Q44: Submaximal isometric contractions are important for
A)moving large
Q45: Picking up a book at a constant
Q46: A lack of ATP in a contracted
Q47: A motor unit refers to
A)a single motor
Q48: In a muscle fiber undergoing maximal tetanic
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