Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What is the resting membrane potential of the SA node?
What is the resting membrane potential of the SA node?
- -60 mV (correct)
- -10 mV
- -20 mV
- -30 mV
What causes the SA node to fire spontaneously?
What causes the SA node to fire spontaneously?
- Influx of Ca2+ ions
- Influx of Na+ ions (correct)
- Influx of Cl- ions
- Influx of K+ ions
What is the threshold potential for firing an action potential in the SA node?
What is the threshold potential for firing an action potential in the SA node?
- +10 mV (correct)
- -20 mV
- -30 mV
- -10 mV
