Multiple Choice
If you voluntarily lift an object and have correctly judged its weight,
A) the intrafusal muscle fibers shorten at a rate that maintains constant tension on the stretch receptor.
B) the muscle spindle afferents fire a rapid burst of action potentials.
C) α motor neurons fire action potentials but γ motor neurons do not.
D) γ motor neurons fire action potentials but α motor neurons do not.
Correct Answer:
Verified
Correct Answer:
Verified
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