The phasic Ia stretch reflex:
A) Has a polysynaptic reflex arc.
B) Acts to maintain a constant level of tension in the muscle.
C) Is initiated by a receptor that lies in series with the extrafusal fibers.
D) Has its sensitivity controlled by the gamma motor neuron system.
Correct Answer:
Verified
Q2: According to the size principle:
A)Large α
Q3: A stimulus applied to the surface of
Q4: Upper motor neuron (or pyramidal tract)syndrome is:
A)Characterized
Q5: With a person standing upright,head rotation to
Q6: Damage to which structure would produce an
Q7: A monkey makes arm movements while you
Q8: In the motor map of the primary
Q9: Dopamine's action in the caudate and putamen
Q10: Intrafusal muscle fibers but not extrafusal fibers:
A)Receive
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