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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?
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Pathological causes such as ischemia and electrolyte disturbance could lead to:
Pathological causes such as ischemia and electrolyte disturbance could lead to:
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