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Anatomy · Thorax
Sample itemOn a normal chest specimen, which lung contains a horizontal fissure in addition to an oblique fissure?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Right lung
The right lung has superior, middle, and inferior lobes separated by horizontal and oblique fissures, unlike the two-lobed left lung.
Option by option
A. Right lung (correct)
Correct: right lung has both horizontal and oblique fissures.
B. Left lung
Left lung has only an oblique fissure and no middle lobe.
C. Both lungs
Both lungs do not have a horizontal fissure because it is right-sided.
D. Neither lung
Neither is incorrect because the right lung clearly has two fissures.
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.