Coronary circulation · Physiology

The coronary sinus primarily drains blood into the:

  1. Pulmonary artery
  2. Left atrium
  3. Right atrium
  4. Superior vena cava
Show answer and explanation

Correct answer: Right atrium

The coronary sinus collects venous blood from the myocardium. It empties into the right atrium.

Difficulty: Medium Question 11 of 20

Practice all 20 Coronary circulation questions

Keep practicing

More Coronary circulation questions