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Sodium-potassium pump transports...

Sodium-potassium pump transports

A

`Na^+ and K^+` out of the neuron

B

`Na^+ and K^+` into the neuron

C

`Na^+` into the neuron and `K^+` out of the neuron

D

`K^+` into the neuron and `Na^+` out of the neuron

Text Solution

Verified by Experts

The correct Answer is:
B
Each `Na^+ - K^+` pump expels three `Na^+` ions for every two `K^+` ions imported.
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Read the following statements about the human nervous system : (i) A multipolar neuron is with one axon and two or more dendrites , found in the cerebral cortex. (ii) in resting condition, the sodium-potassium pump transports 3 Na^(+) inwards and 2K^(+) outwards the cell. (iii) Midbrain and hindbrain form the brain stem including the cerebellum. (iv) the pons of the hindbrain is directly connected to the spinal cord to control respiration. How many statement/s from above is/are incorrect ?

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NCERT FINGERTIPS-NEURAL CONTROL AND COORDINATION-Neural Control And Coordination
  1. A nerve fibre during resting stage is

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  2. Which of the following options illustrates the distribution of Na^+ an...

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  3. Sodium-potassium pump transports

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

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  5. Which of the following statements are correct regarding Na^+ - K^+ pum...

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  6. The electrical potential diference between outside and inside of a ner...

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  7. A typical value of resting membrane potential is

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  8. Complete the following paragraph by selecting the option that gives co...

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  9. During depolarisation the outer surface of the membrane becomes

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  10. Depolarisation of axolemma during nerve conduction takes place because

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  11. During the propagation of a nerve impulse, the action potential result...

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  12. During the transmission of nerve impulse through a nerve fibre, the po...

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  13. Saltatory conduction of impulse occurs in

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  14. Read the given statements and select the correct ones. (i)Autonomic ...

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

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  16. Which of the following statements is/are incorrect about the electrica...

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  17. Nerve fibres transmit the nerve message by means.

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  18. A list of events occurring in the transmission of nerve impulse across...

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  19. The given diagram shows axon terminal.Select the option that correctly...

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  20. The given diagram shows axon terminal and synapse. Here A,B,C,D and E ...

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