Superior laryngeal internal branch — FRCA Primary MCQ

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EasyAnatomySuperior laryngeal internal branchFRCA Primary

Local anaesthetic is injected near the greater cornu of the hyoid for awake intubation. Which anatomical structure is described?

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Correct answer: E — Internal superior laryngeal nerve

This nerve supplies sensation above the vocal cords. Thoracic paravertebral space is less appropriate because it would fit a different clinical clue or a separate anaesthetic problem. Ligamentum flavum is less appropriate because it would fit a different clinical clue or a separate anaesthetic problem. Phrenic nerve is less appropriate because it would fit a different clinical clue or a separate anaesthetic problem. Sacral epidural space is less appropriate because it would fit a different clinical clue or a separate anaesthetic problem. In Primary FRCA anatomy, the tested structure should explain the block, airway sign or regional complication in the stem.

Reference: Ellis, Feldman & Harrop Anatomy for Anaesthetists; Primary FRCA textbooks