Dorsal Scapular Nerve C5 — FRCA Primary MCQ

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HardAnatomyDorsal Scapular Nerve C5FRCA Primary

The dorsal scapular nerve arises from which root of the brachial plexus?

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Correct answer: B — C5

The dorsal scapular nerve arises from the C5 root (before trunk formation). It innervates the rhomboid major / rhomboid minor / and (variably) levator scapulae. It passes through scalenus medius. It is a supraclavicular branch of the plexus.

Reference: RCoA 2021 Primary FRCA Curriculum