All of the following veins carry deoxygenated blood except
Correct answer: D. Pulmonary vein
- A. Superior vena cava
- B. Inferior vena cava
- C. Hepatic vein
- D. Pulmonary vein
Explanation
The pulmonary vein carries oxygen-rich blood from the lungs to the left atrium, making it the exception among these veins. The likely mistake is the hepatic vein, but it carries oxygen-poor blood away from the liver toward the inferior vena cava.
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About Blood Vessels
Blood vessels include arteries, arterioles, capillaries, venules and veins, whose wall thickness, elasticity, lumen size and valves suit their roles in circulation. Questions compare pressure and blood flow in each vessel and distinguish pulmonary vessels, which carry blood to and from the lungs, from systemic vessels.
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