Solved UPSC CDS/OTA Question
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Q · Circulatory Systemmedium · 45s
Which blood vessel carries oxygenated blood from the lungs to the heart?
TopicCirculatory System
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Pulmonary veins (four in humans) transport oxygenated blood from pulmonary capillaries in the lungs to the left atrium, distinguishing them from systemic veins that carry deoxygenated blood.
Final Answer: Option B - Pulmonary vein