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Anatomy · Thorax
Sample itemWhich vessel carries oxygenated blood from lungs to the heart?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Pulmonary veins
The relevant Thorax principle makes Pulmonary veins the best answer because it directly explains the structure or physiological response in the stem.
Option by option
A. Pulmonary arteries
Pulmonary arteries does not correspond to the structure or response being tested.
B. Superior vena cava
Superior vena cava is associated with a different anatomical or physiological role.
C. Azygos vein
Azygos vein is not supported by the key clue provided in this item.
D. Pulmonary veins (correct)
Correct. Pulmonary veins directly follows from the core thorax relationship.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.