At the outer limits of a muscle's length, it still can achieve about 80 of its maximal contraction strength.
a. True
b. False
Indicate whether the statement is true or false
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Question 2) Efferent neurons are the most abundant type of neuron.
Indicate whether the statement is true or false
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Question 3) Twitch summation results primarily from a sustained elevation in cytosolic Ca2+.
a. True
b. False
Indicate whether the statement is true or false
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Question 4) The cell bodies of afferent and efferent neurons both originate in the CNS.
Indicate whether the statement is true or false
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Question 5) Muscles that produce precise, delicate movements have fewer muscle fibers in their motor units compared to muscles made for powerful movements.
a. True
b. False
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Question 6) Afferent neurons have a long peripheral axon and a short central axon.
Indicate whether the statement is true or false
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Question 7) In an isokinetic contraction, the load remains constant as the muscle changes length.
a. True
b. False
Indicate whether the statement is true or false
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Question 8) Interneurons lie entirely within the central nervous system.
Indicate whether the statement is true or false
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Question 9) The action potential is over before the contractile apparatus even becomes operational.
a. True
b. False
Indicate whether the statement is true or false
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Question 10) If neuronal pathways present at birth are not used during sensitive developmental periods, they may be eliminated.
Indicate whether the statement is true or false