Generation and Conduction of Nerve Impulse

IMPORTANT

Generation and Conduction of Nerve Impulse: Overview

This topic covers concepts such as Generation of Nerve Impulse, Conduction of Nerve Impulse, Saltatory Conduction, Resting Potential, Nerve Impulse, Depolarization in Nerve Fibre, and Repolarization in Nerve Fibre.

Important Questions on Generation and Conduction of Nerve Impulse

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Biology>Neural control and Coordination>Generation and Conduction of Nerve Impulse> Q 1

After repolarization there is a period during which a second action potential cannot be initiated. This is called the _____.

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Biology>Neural control and Coordination>Generation and Conduction of Nerve Impulse> Q 2

Repolarization process occurs in the muscle of the ventricles.

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Biology>Neural control and Coordination>Generation and Conduction of Nerve Impulse> Q 3

The process or act of returning to a negative membrane potential is repolarization.

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Biology>Neural control and Coordination>Generation and Conduction of Nerve Impulse> Q 4

_____ the process or act of restoring the polarised condition across the plasma membrane of a cell.

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Biology>Neural control and Coordination>Generation and Conduction of Nerve Impulse> Q 5

The most common neurotransmitter in the brain is glutamate.

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Biology>Neural control and Coordination>Generation and Conduction of Nerve Impulse> Q 6

During depolarization, the inside of the cell becomes more and more _____.

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Biology>Neural control and Coordination>Generation and Conduction of Nerve Impulse> Q 7

Neurons can undergo depolarization in response to a number of stimuli.

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Biology>Neural control and Coordination>Generation and Conduction of Nerve Impulse> Q 8

The negative internal charge of the cell temporarily becomes more positive.

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Biology>Neural control and Coordination>Generation and Conduction of Nerve Impulse> Q 9

Nerve impulses begin in a _____.

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Biology>Neural control and Coordination>Generation and Conduction of Nerve Impulse> Q 10

Nerve impulses are mostly electrical signals along the dendrites to produce a nerve impulse or action potential.

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Biology>Neural control and Coordination>Generation and Conduction of Nerve Impulse> Q 11

Faster electrical synapses are used in _____.

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Biology>Neural control and Coordination>Generation and Conduction of Nerve Impulse> Q 12

A nerve impulse is the way nerve cells (neurons) communicate with one another.

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Biology>Neural control and Coordination>Generation and Conduction of Nerve Impulse> Q 13

Saltatory conduction is faster than the continuous conduction.

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Biology>Neural control and Coordination>Generation and Conduction of Nerve Impulse> Q 14

Saltatory conduction occurs in unmyelinated axons.

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Biology>Neural control and Coordination>Generation and Conduction of Nerve Impulse> Q 15

Define saltatory conduction of nerve impulses.

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Biology>Neural control and Coordination>Generation and Conduction of Nerve Impulse> Q 16

Potential difference across the resting membrane is negatively charged. This is due to differential distribution of the following ions:

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Biology>Neural control and Coordination>Generation and Conduction of Nerve Impulse> Q 17

In the resting state of the neural membrane, diffusion due to concentration gradients, if allowed would drive

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Biology>Neural control and Coordination>Generation and Conduction of Nerve Impulse> Q 18

Action potential in neurons is generated by a rapid influx of

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Biology>Neural control and Coordination>Generation and Conduction of Nerve Impulse> Q 19

Study the following and arrange in the order of occurrence.
A) Action potential
B) Threshold stimulus
C) Undershoot / Hyperpolarisation
D) Influx of Na+ ions
E) Efflux of K+ ions

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Biology>Neural control and Coordination>Generation and Conduction of Nerve Impulse> Q 20

During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric charge?