Define the following terms:
$(1)$ Nerve impulse
$(2)$ Resting potential
$(1)$ Nerve impulse
$(2)$ Resting potential
(N/A) $(1)$ When a nerve fiber is stimulated by touch,smell,or chemical changes,its polarized state changes,which is known as a nerve impulse or action potential.
$(2)$ The electrical potential difference across the resting plasma membrane of a neuron is known as the resting potential.
$(2)$ The electrical potential difference across the resting plasma membrane of a neuron is known as the resting potential.
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When a neuron is stimulated to generate a nerve impulse,the electrical potential on the inside of the nerve membrane changes:
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View SolutionAssertion: The imbalance in concentration of $Na^+$,$K^+$ and proteins generates resting potential.
Reason: To maintain the unequal distribution of $Na^+$ and $K^+$,the neurons use electrical energy.
Reason: To maintain the unequal distribution of $Na^+$ and $K^+$,the neurons use electrical energy.
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View SolutionIdentify the incorrect statement.
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View SolutionWhich of the following represents a polarized nerve membrane?
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View SolutionDuring resting potential,the axonal membrane is polarised. Indicate the movement of $+ve$ and $-ve$ ions leading to polarisation diagrammatically.
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