Podcast
Questions and Answers
Which part of the heart has the highest rate of spontaneous diastolic depolarization?
Which part of the heart has the highest rate of spontaneous diastolic depolarization?
- AV node
- Ventricles
- Atria
- SA node (correct)
What is responsible for the automaticity property of each cardiac cell?
What is responsible for the automaticity property of each cardiac cell?
- Retrograde propagation
- Spontaneous diastolic depolarization (correct)
- Impulse propagation
- Conduction system
In what direction does impulse propagation occur in the conducting system?
In what direction does impulse propagation occur in the conducting system?
- Both anterograde and retrograde
- Retrograde (from ventricles to atria)
- No specific direction
- Anterograde (from atria to ventricles) (correct)
What happens if the SA node stops functioning?
What happens if the SA node stops functioning?
Pathological causes such as ischemia and electrolyte disturbance could lead to:
Pathological causes such as ischemia and electrolyte disturbance could lead to: