Study

For exam study, not clinical practice. Always follow your clinical instructors and current guidelines.

PHS-101 route
Unit 5 · Lesson 2 of 3 11 min

The Action Potential

Sodium rushes in, potassium rushes out, and a message is born in about a thousandth of a second.

What this unit covers

Unit 5: Nerve Physiology

  1. 1 The Resting Membrane PotentialEvery neuron sits at minus seventy millivolts, charged and waiting. Here is how it holds that charge. · 9 min
  2. 2 The Action PotentialSodium rushes in, potassium rushes out, and a message is born in about a thousandth of a second. · 11 min
  3. 3 Nerve Impulse Conduction and Synaptic TransmissionMyelin lets impulses leap along a nerve, and at the end of the line a chemical carries the message across. · 12 min