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Unidirectional transmission of a nerve i...

Unidirectional transmission of a nerve impulse through nerve fibre is due to the fact that

A

Nerve fibre is insulated by a medullary sheath.

B

Sodium pump starts operating only at the cyton and then continues into the nerve fibre.

C

Neurotransmitters are released by dendrites and not by axon endings.

D

Neurotransmitters are released by the axon endings and not by dendrites.

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The correct Answer is:
D
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MOTION-NEUTRAL AND COORDINATION-Exercise -1
  1. Depolarisation of axolemma during nerve conduction takes place because

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  2. In the resting state of the neural membrane, diffusion due to concentr...

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  3. Unidirectional transmission of a nerve impulse through nerve fibre is ...

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  4. Repolarisation of Neuron is occured due to :

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  5. If GABA is released at synapse area then what will happens :

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  6. Nerve impulse travel through synapse with the help of

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  7. A typical value of resting membrane potential is

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  8. In which of the following , speed of conduction is the fastest?

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  9. Pre synaptic membrane is part of :

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  10. Match the column-I with column-Hand select the correct answer :-

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  11. Which one of the following is dominant intracellular cation

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  12. Acetylcholinesterase enzymes splits acetylcholine into

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  13. During impulse transmission, nerve permeability increases for

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  14. Acetylcholinesterase helps in breaking

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  15. Action potential of a nerve cells is created by

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  16. Joint between axon of a neuron and dendrite of next is called

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  17. During repolarization of nerve

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  18. The junction between the axon of one neuron and the dendrite of the ne...

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  19. Unidirectional transmission of nerve impulse is maintained by

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  20. Resting potential of a nerve is

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