The overshoot value of AP of the neuron is close to ()
A. the sum of K+ equilibrium potential and Na+ equilibrium potential
B. the difference of K+ equilibrium potential and Na+ equilibrium potential
C. K+ equilibrium potential
D. Na+ equilibrium potential
E. the sum of RP and Na+ equilibrium potential
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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 ()
A. Depolarization
B. Hyperpolarization
C. Repolarization
D. Polarization
E. overshoot
___ 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
At motor endplate, acetylcholine is decomposed by ___. ()
A. Phosphodiesterase
B. adenylate cyclase
C. ATPase
D. Cholinesterase
E. carbonic anhydrase
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