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Question: Answered & Verified by Expert
What happens after the rise in permeability to Na⁺ in a neuron?
BiologyNeural Control and CoordinationNEET
Options:
  • A The permeability to K⁺ increases.
  • B The polarity of the membrane remains unchangeD)
  • C The resting potential of the membrane decreases
  • D The permeability to Na⁺ decreases
Solution:
1834 Upvotes Verified Answer
The correct answer is: The permeability to K⁺ increases.
The rise in permeability to Na⁺ is short-lived and is followed by a rise in permeability to K⁺. K⁺ diffuses outside the membrane, restoring the resting potential of the membrane.

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