Neuron Action Potential Repolarization

00:00 1 marks

During an action potential, what causes repolarization of the neuron membrane?

A

Influx of Na+ ions
B

Efflux of K+ ions
C

Action of the Na+/K+ pump
D

Influx of Ca2+ ions

Hint Hint

Hint

Repolarization involves restoring the negative membrane potential after the peak of the action potential. Consider which ion movement would make the inside of the neuron more negative relative to the outside.

Answer Answer
Mark Scheme Mark Scheme
Explanation Explanation
Examiner Tips Examiner Tips
Common Errors Common Errors
Real World Context Real World Context

Answer Answer

Complete Answer

Efflux of K+ ions

Mark Scheme Mark Scheme

Answer Explanation Answer Explanation

Examiner Tips Examiner Tips

Common Errors Common Errors

Math Editor

Welcome Back!

Create your account

Build skills for today, tomorrow, and beyond. Education to future-proof your career.

By clicking "Sign in," you agree to our Terms of Use and our Privacy Policy

Hint: The password should be at least eight characters long. To make it stronger, use upper and lower case letters, numbers, and symbols like ! " ? $ % ^ & ).