NEET PG DENTAL EXAM

EMBRYOLOGY

NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The critical point at which a stimulus causes an action potential
A
Synapse
B
Action potential
C
Membrane potential
D
Threshold
Explanation: 

Detailed explanation-1: -When the depolarization reaches about-55 mV a neuron will fire an action potential. This is the threshold. If the neuron does not reach this critical threshold level, then no action potential will fire.

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