Generation and Conduction of Nerve Impulse

IMPORTANT

Generation and Conduction of Nerve Impulse: Overview

This Topic covers sub-topics such as Neurons, Neurotransmitters, Nerve Impulse, Nerve Fibres, Conduction of Nerve Impulse, Synaptic Knob, Resting Potential, Generation of Nerve Impulse and, Transmission of Impulse at a Synapse

Important Questions on Generation and Conduction of Nerve Impulse

MEDIUM
IMPORTANT

When a stimulus is applied at a site over neuron membrane 
 

EASY
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The function of part A seen in the figure is:

Question Image

 

HARD
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Two neurons, A and B, synapse onto a third neuron, C. If neurotransmitter from A opens ligand-gated channels permeable to Na+ and K+ and neurotransmitter from B opens ligand-gated Cl- channels, which of the following statements is true?

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During repolarization of membrane of neuron, which ion is most permeable ?

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A wave of depolarization of the membrane of nerve cell is called

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The new potential developed on Postsynaptic membrane is

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Which of the following ion helps in releasing Ach at synaptic left?

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Chemicals called _____ are involved in the transmission of impulses at chemical synapse.

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Choose the correct sequence for depolarization and repolarization.

(A) Stimulus applied at a site on polarized membrane.
(B) Increased permeability for Na+.
(C) Generation of action potential.
(D) Increase permeability for K+.
(E) Restoration of membrane potential.

HARD
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The electrical potential difference across the resting plasma membrane is called

EASY
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Axoplasm have which of the following in polarized state?

EASY
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Which of the following statement is true about neural membrane?

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Synaptic knob contains synaptic vesicles which possess chemicals called

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The gaps between two adjacent myelin sheaths are called nodes of

EASY
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Match the following columns.

Column I Column II
A Unipolar 1 Cell body with one axon only is found usually in the embryonic stage.
B Bipolar 2 Cell body with one axon and two or more dendrites is found in cerebral cortex.
C Multipolar 3 Cell body with one axon and one dendrite is found in retina of eye.

 

EASY
IMPORTANT

Neuron is a structure composed of three major parts, such as cell body, and axon.