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Questions and Answers
What is the term for a problem with the rate or rhythm of the heartbeat?
What is the term for a problem with the rate or rhythm of the heartbeat?
- Bradycardia
- Arrhythmia (correct)
- Sinus tachycardia
- Tachycardia
Which cells have an unstable membrane potential and can generate action potentials spontaneously?
Which cells have an unstable membrane potential and can generate action potentials spontaneously?
- Pacemaker cells (automatic cells) (correct)
- Purkinje fibers
- AV node cells
- SA node cells
What is the period between phase 0 and 3 where a cell cannot be excited called?
What is the period between phase 0 and 3 where a cell cannot be excited called?
- Absolute refractory period (ARP) (correct)
- Resting period
- Effective refractory period (ERP)
- Relative refractory period
If an arrhythmia arises from the ventricles, it is called:
If an arrhythmia arises from the ventricles, it is called:
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'Sinus Tachycardia' falls under which type of arrhythmia?
'Sinus Tachycardia' falls under which type of arrhythmia?
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