Spinal Cord Extent, Meninges & Lumbar Puncture — Topic Test
5 questions · exam mode (answers revealed at the end). 18 min suggested.
A 25-year-old woman has a difficult forceps delivery and afterwards cannot voluntarily contract the external anal sphincter or feel the perianal skin. The pudendal nerve was injured. Which spinal segments constitute the origin of this nerve?
AS2, S3, S4
BL5, S1, S2
CL4, L5, S1
DS1, S2, S3