KROK 1 2023 – Question 33 · KROK (Medicine) · Human Anatomy

Examination detects a dysfunction of the nodes in the patient's cardiac conduction system. In this case, blood circulation disorders have occurred in the basin of the following artery:

  1. A. Right coronary artery
  2. B. Left coronary artery
  3. C. Circumflex branch of the left coronary artery
  4. D. Right and left coronary arteries
  5. E. Anterior interventricular branch of the left coronary artery
Hint

Think about which coronary artery, in most people, gives off the branches that supply both the sinoatrial and the atrioventricular nodes.

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