Iliohypogastric Ilioinguinal Sensory — FRCA Primary MCQ
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Correct answer: D — The lower abdominal wall and inguinal region
The iliohypogastric (T12-L1) and ilioinguinal (L1) nerves supply sensory innervation to the skin of the lower abdominal wall / inguinal region / and (ilioinguinal) the upper medial thigh / mons pubis / and anterior scrotum/labia. They are targets for TAP block and ilioinguinal/iliohypogastric nerve block for inguinal hernia repair.
Reference: RCoA 2021 Primary FRCA Curriculum