ENT Flat tympanogram is seen in -a) A.S.O.Mb) Otosclerosisc) Serous otitis media d) Ossicular chain disruption A a B ac C ad D b 💡 Explanation Flat tympanogram is seen in -a) A.S.O.Mb) Otosclerosisc) Serous otitis media d) Ossicular chain disruption ✓ Correct Answer: B. ac