【单选题】能调节十二经脉气血,主要与奇恒之腑间关系密切的是:
【单选题】excitation of γ motor neuron will induce
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.
【单选题】Which description is correct about the α motor neuron in anterior horn of the spinal cord.
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.
【单选题】excitation of γ motor neuron will induce
A.
increase of the sensitity of the sensory receptors in muscle spindle.
B.
contraction of extrafusal fiber
C.
relaxation of intrafusal fiber
D.
decrease of impulse on Ia afferent fiber.
E.
decrease of the impulses of the α motor neuron.
【单选题】使用机动链锯对原木或木质结构件进行破拆时,要保持机器的稳定,使导板与物体成()度角。
【单选题】Which description is right about the gama motor neuron in the anterior horn of the spinal cord
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.
【单选题】Which description is right about the gama motor neuron in the anterior horn of the spinal cord
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
【判断题】使用 机动链锯对原木或木质结构进行破拆时,要保持机器的稳定,使导板与物体成 90°角。