The main role of the pinna and external auditory meatus is []
A. Sound transmission effect
B. Pressurization effect
C. Sound collection effect and resonance effect
D. Sensing sound transduction effect
E. Only integrate sound information
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The following correct statement about spinal gamma motor neurons is []
A. innervating extra-spindle muscle fibers
B. Glycine neurotransmitter released from axon terminal
C. Excitability is lower than α motor neuron
D. Activity is weakened with increased activity of α motor neuron
E. Adjust sensitivity of muscle spindle for stretch stimulation
The following correct statement about spinal shock is []
A. The spinal shock phenomenon is caused by the stimulation of the cut injury.
B. The spinal shock phenomenon only occurs below the cut level.
C. All spinal shock symptoms can be fully recovered.
D. The higher the degree of animal evolution, the faster the recovery rate
E. Transverse spinal cord after recovery can reproduce spinal shock
What can be caused by noxious stimulation in limb skin? []
A. Flexor reflex
B. Neck tension reflex
C. Tendon reflex
D. Muscle tension reflex
E. Positive reflex
The factor helping neurotransmitter release is []
A. Sodium
B. Potassium
Calcium
D. Chloride
E. magnesium
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