Anti-Arrhythmic Drugs and Heart Rhythm Disorders
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Questions and Answers

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?

  • 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?

  • Absolute refractory period (ARP) (correct)
  • Resting period
  • Effective refractory period (ERP)
  • Relative refractory period
  • If an arrhythmia arises from the ventricles, it is called:

    <p>Ventricular arrhythmia</p> Signup and view all the answers

    'Sinus Tachycardia' falls under which type of arrhythmia?

    <p>Supraventricular arrhythmias</p> Signup and view all the answers

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