Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/8

Click to flip

8 Cards in this Set

  • Front
  • Back
resting state
The electrical potential across the membrane is known as the resting membrane potential, -90 mV for most cardiac cells, and -70 mV at the SA and AV node cells.
depolarization
Upon a sufficient voltage stimulus, channels allow for movement of ions across the cell membrane.
repolarization
When the inside of the sell is again negative with respect to the outside.
Phase 0
Depolarization. Fast Na+ in.
Phase 1
Early Rapid Repolarization. K+ out, slow Na+ in.
Phase 2
Slow Repolarization. Ca++ in, K+ out, slow Na+ in.
Phase 3
Terminal Phase of Rapid Repolarization. Slow Na+ in.
Phase 4
Resting State. Na+ out, K+ in.