Pudendal nerve root value:: (A) L5 S1 roots, (B) S1 S2 roots, (C) L2 L3 roots, (D) S2 S3S4 roots
Answer is D. Pudendal nerve arises from the sacral plexus in the pelvis( S2- S4). Pudendal nerve is nerve of perineum. External urethral sphincter supplied by pudendal nerve.