If you wanted to pick up something heavier than your pencil (such as your book), you would need to have a stronger muscle contraction. In what way might you accomplish this?
a. stimulate more motor units
b. decrease the frequency of stimulation to allow a more prolonged contraction to occur
c. decrease the refractory period
d. block acetylcholinesterase at the neuromuscular junction to allow acetylcholine to function longer
e. none of these answers.
A
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