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Exam questionKROK 1Medicine ยท 2015

Microelectrode analysis of nerve fiber biolectrical activity revealed, that its membrane potential equals 90 mV Its initial rest potential was 85 mV What process occurs in this case?

Answer options

  1. Depolarization
  2. Supernormality
  3. Overshoot
  4. Repolarization
  5. Hyperpolarization
Correct answer

Hyperpolarization

Explanation

An increase in the polarisation of membranes past the resting potential is called Hyperpolarisation.

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