ENT Ear af714fe4

What is the length of external auditory canal?

2.5 cm

1.5 cm

1cm

2 cm

High-Yield Explanation

Ans. (a) 2.5 cmRefi Dhingra's ENT 5th ed. / 4* Length of external auditory canal- 24 mm (2.4cm)* Shape: S- shaped* Outer 1/3rd cartilaginous part (8mm)* Inner 2/3rd: Bony part (16mm)

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