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Anatomy · Thorax
Sample itemWhich nerve passes posterior to root of lung?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Vagus nerve
This item reviews Thorax; Vagus nerve is the best answer because it directly fits the anatomical or physiological relationship described.
Option by option
A. Vagus nerve (correct)
Correct. Vagus nerve matches the defining feature.
B. Median nerve
Median nerve is not supported by the key finding.
C. Phrenic nerve
Phrenic nerve does not match the stated relationship.
D. Facial nerve
Facial nerve is plausible but is not the best answer.
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.