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General Surgery · Head and neck: neck levels
Sample itemWhich nodal group belongs to level IB of the neck?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Submandibular nodes
Level IA contains submental nodes, level IB submandibular nodes, levels II to IV the internal jugular chain (upper, middle, lower), level V the posterior triangle and level VI the central compartment including prelaryngeal and pretracheal nodes. Oral cavity tumours drain principally to levels I to III.
Option by option
A. Submandibular nodes (correct)
Correct. Submandibular nodes make up level IB.
B. Submental nodes
Submental nodes are level IA.
C. Posterior triangle nodes
Posterior triangle nodes are level V.
D. Prelaryngeal nodes
Prelaryngeal nodes belong to level VI.
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.
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