ENT Ear a1a46d4e

Length of external auditory canal is?

12 mm

24 mm

36 mm

48 mm

High-Yield Explanation

ANSWER: (B) 24 mmREF: Dhingra 4th edition page 400'External auditory canal of an adult is 24 mm in length. Outer one-third (8 mm) is cartilaginous and inner two thirds (16 mm) are bony'1

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