Axillary Block Around Axillary Artery — FRCA Primary MCQ
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Correct answer: E — Axillary artery
In the axillary approach the terminal branches of the brachial plexus surround the axillary artery within the axillary sheath. Typical positions relative to the artery: median nerve (anterolateral/superior) / ulnar nerve (anteromedial/inferior) / radial nerve (posterior). The musculocutaneous nerve leaves the sheath early to enter coracobrachialis and must be blocked separately.
Reference: RCoA 2021 Primary FRCA Curriculum