Posterior Cord Axillary Radial — FRCA Primary MCQ

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EasyAnatomyPosterior Cord Axillary RadialFRCA Primary

The posterior cord of the brachial plexus gives rise to which terminal branches?

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Correct answer: C — Axillary nerve and radial nerve

The posterior cord (C5-T1) gives rise to the axillary nerve (C5-C6) and radial nerve (C5-T1). It also gives branches to: subscapularis (upper and lower subscapular nerves) and latissimus dorsi (thoracodorsal nerve). The posterior cord is formed by all three posterior divisions of the trunks.

Reference: RCoA 2021 Primary FRCA Curriculum