Multiple choice

Depolarisation and repolarisation are ________ processes.

  1. very slow

  2. very fast

  3. equal

  4. normal

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Depolarization and repolarization are extremely rapid processes during an action potential, typically occurring within milliseconds. Depolarization involves the rapid influx of sodium ions, while repolarization involves the rapid efflux of potassium ions to restore the resting potential.