1 MCQs in ENT for NEET PG
A 6-month-old girl is referred from the newborn hearing screening programme after failing the auditory brainstem response (ABR) test. Audiometry shows bilateral symmetric moderate-profound sensorineural hearing loss (SNHL) as marked **A** in the diagram. The child has no associated syndromic features, normal vestibular function, and normal otoscopy. Genetic testing confirms a homozygous GJB2 mutation (Connexin-26). Which of the following best explains the pathophysiology of hearing loss in this child?
Ready to test yourself?
Test your ENT knowledge with AI-powered MCQs and detailed explanations — no signup required to try.
Sign up free and practice all 1 Audiogram — Connexin-26 GJB2 Mutation Bilateral Symmetric SNHL MCQs with AI-powered explanations tailored to your performance.
Create Free Account