skip to main content

Sciatic Nerve Root Values — FRCA Primary MCQ

Instant feedback + full explanation. One question, done properly.

ModerateAnatomySciatic Nerve Root ValuesFRCA Primary

The sciatic nerve is formed from nerve roots:

Educational content. Not a substitute for clinical judgement or local policy.

Reveal the answer and explanation

Correct answer: C — L4 L5 S1 S2 S3

The sciatic nerve arises from L4 L5 S1 S2 S3. It exits the pelvis through the greater sciatic foramen below piriformis. It contains the tibial nerve (anterior divisions) and common peroneal nerve (posterior divisions) in a common sheath dividing in the popliteal fossa.

Reference: RCoA 2021 Primary FRCA Curriculum