题目内容
（请给出正确答案）
A、final common pathway
B、effector
C、motor nuit
D、sensory receptor
E、center
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
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更多“The α motor neuron at the anerior horn of the spinal cord is the of the movement reflex.”相关的问题
A、Sensory fiber→Sensory neuron→Spinal cord（gray matter)→Brain→Spinal cord（gray matter)→Motor neuron→Muscles
B、Sensory fiber→Sensory neuron→Spinal cord（gray matter)→Motor neuron→Muscles
C、Sensory fiber→Sensory neuron→Spinal cord（white matter)→Brain→Spinal cord（white matter)→Motor neuron→Muscles
D、Sensory fiber→Sensory neuron→Spinal cord（white matter)→Motor neuron→Muscles
A、a alpha motor neuron and the innervated muscle fibers
B、a motor neuron
C、a group of motor neurons with same function
D、a group of muscle fiber that involved in execution of a special movement.
E、a bundle of muscle fibers
A、final common pathway of the reflexive control of skeletal muscle contracton.
B、big α motor neuron compose the big motor unit.
C、small α motor neuron compose the smallmotor unit.
D、release glutamate at the presynaptic terminal.
E、firing at a relative high frequency.
A、effector
B、motor nuit
C、final common pathway
D、sensory receptor
E、center
A、regulate the sensitivity of the muscle spindle.
B、innervate the extrafugal fiber.
C、release glycine at the axon terminal.
D、low sensitivity comparted with α motor neuron.
E、antagonist of the α motor neuron
A、motor neuron
B、interneuron
C、sensory neuron
D、synapse
A、innervate the extrafugal fiber.
B、release glycine at the axon terminal.
C、low sensitivity comparted with α motor neuron.
D、antagonist of the α motor neuron
E、regulate the sensitivity of the muscle spindle.
A、contraction of extrafusal fiber
B、relaxation of intrafusal fiber
C、increase of the sensitity of the sensory receptors in muscle spindle.
D、decrease of impulse on Ia afferent fiber.
E、decrease of the impulses of the α motor neuron.
A、to initiate the voluntary movement
B、to regulate the posture of the body
C、to coordinate the contration of the muscle to maintain the equilibrium and execute the fine movement
D、to inhibit the stretch reflex to protect the muscle from injury.
A、stimulation of the lateral ventral surface of medulla.
B、directly stimulate the respiratory center
C、stimulate the penumotaxic center in the upper pons.
D、stimulate the motor neuron in the spinal cord.
E、stretch reflex.
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