Anterior Spinal Artery Territory — FRCA Primary MCQ

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ModerateAnatomyAnterior Spinal Artery TerritoryFRCA Primary

The anterior spinal artery supplies what proportion of the spinal cord?

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Correct answer: C — Anterior two-thirds

The anterior spinal artery is a single midline vessel supplying the anterior two-thirds of the cord. It is reinforced by the artery of Adamkiewicz (typically T9-T12 left side). The two posterior spinal arteries supply the posterior third.

Reference: RCoA 2021 Primary FRCA Curriculum