PHYSIOLOGY
NEUROTRANSMISSION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A neural impulse; a brief electrical charge that travels down an axon.
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neurotransmitter
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action potential
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all-or-none response
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threshold
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Explanation:
Detailed explanation-1: -A nerve impulse begins when a neuron receives a chemical stimulus. The nerve impulse travels down the axon membrane as an electrical action potential to the axon terminal. The axon terminal releases neurotransmitters that ca rry the nerve impulse to the next cell.
Detailed explanation-2: -The action potential is an explosion of electrical activity that is created by a depolarizing current. This means that some event (a stimulus) causes the resting potential to move toward 0 mV. When the depolarization reaches about-55 mV a neuron will fire an action potential.
Detailed explanation-3: -An electrical impulse moving down an axon is called a(n) Action potential.
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