Practice Quiz

NREMT Paramedic

Category - Cardiology

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The heart muscle receives oxygenated blood from the left and right coronary arteries. These arteries are the first branches of which heart structure?
  1. Right ventricle
  2. Inferior vena cava
  3. Left atrium
  4. Superior vena cava
  5. Aorta
Explanation
Answer: E - The aorta is the large blood vessel leaving the heart, which branches into the left and right coronary arteries. These arteries supply the heart with freshly oxygenated blood. The aorta receives freshly oxygenated blood from the left ventricle of the heart, which is the largest chamber of the heart and responsible for supplying oxygenated blood to all parts of the body except the lungs.
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