Supraclavicular Nerve Shoulder — FRCA Primary MCQ
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Correct answer: D — The shoulder tip and cape area
Supraclavicular nerves (C3-C4) are branches of the cervical plexus (not the brachial plexus). They provide sensation to the shoulder tip / upper chest / and cape area. This has clinical relevance: diaphragmatic irritation (phrenic nerve C3-C5) can cause referred pain to the shoulder tip via the shared C3-C4 dermatomes.
Reference: RCoA 2021 Primary FRCA Curriculum