KROK 1 2007 – Question 89 · KROK (Medicine) · Physiology

The permeability of the irritable cell membrane has been increased for potassium ions during an experiment. What changes of membrane electric status can occur?

  1. A. No changes
  2. B. Local response
  3. C. Hyperpolarization
  4. D. Action potential
  5. E. Depolarization
Hint

Consider the direction of the potassium electrochemical gradient across a resting membrane and which way charge moves when more K+ channels open.

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