题目内容

The depolarizing phase of AP of a neuron is formed by ()

A. deactivation of Na+ channel
B. Na+ influx
C. K+ efflux
D. Ca2+ influx
E. Cl- influx

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The value of the resting potential of a neuron modifies from -90 mV to -100mV. This phenomenon is called as ()

A. Depolarization
B. Hyperpolarization
C. Repolarization
D. Polarization
E. overshoot

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___ 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

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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

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The depolarizing phase of AP of a neuron is formed by ()

A. deactivation of Na+ channel B. Na+ influx C. K+ efflux D. Ca2+ influx E. Cl- influx

The value of the resting potential of a neuron modifies from -90 mV to -100mV. This phenomenon is called as ()

___ has "all or none" phenomenon. ()

At motor endplate, acetylcholine is decomposed by ___. ()

Which one is right about function of hypothalamus?

A. deactivation of Na+ channel
B. Na+ influx
C. K+ efflux
D. Ca2+ influx
E. Cl- influx