___ has "all or none" phenomenon. ()
A. The postsynaptic potential
B. The end-plate potential
C. The receptor potential
D. The spike potential
E. The generator potential
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At motor endplate, acetylcholine is decomposed by ___. ()
A. Phosphodiesterase
B. adenylate cyclase
C. ATPase
D. Cholinesterase
E. carbonic anhydrase
Which one is right about function of hypothalamus?
A. higher parasympathetic center
B. higher sympathetic center
C. integration center of somatic movement
D. higher center of visceral activities
E. important center of movement
The temperature of axilla in normal people is
A. 36.0～36.4℃
B. 36.0～37.4℃
C. 36.4～37.0℃
D. 36.4～37.4℃
E. 36.0～37.9℃
Which are the characteristics of parasympathetic nervous system? ()
A. preganglionic fiber is long and postganglionic fiber is short
B. distribution is limited
C. tonic action
D. reaction is limited
E. having a stronger activity in rest condition
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