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Exam questionKROK 1Dentistry · 2008

An electrical cardiostimulator was implanted to a 75 y.o. man with heart rate of 40 bpm. After that heart rate rose up to 70 bpm. Cardiostumulator assumed the function of the following heart part:

Answer options

  1. His’ bundle branches
  2. Atrioventricular node
  3. Sinoatrial node
  4. Purkinje’s fibers
  5. His’ bundle fibers
Correct answer

Sinoatrial node

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