1 MCQs in ENT for NEET PG
A 34-year-old male motorcyclist presents to the emergency department following a high-speed collision with a lateral blow to the left temporoparietal region. He has left-sided bloody otorrhea, Battle's sign, hemotympanum on otoscopy, and a positive halo sign suggesting CSF otorrhea. CT temporal bone with fine cuts reveals a left longitudinal temporal bone fracture. Audiometry shows the pattern marked **A** in the diagram: unilateral conductive hearing loss with normal bone conduction thresholds (40–50 dB air-bone gap across all frequencies). Which of the following best explains the mechanism of hearing loss in this patient?
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