ENT Ear 36f13e76

The effective diameter of the tympanic membrane is

25 mm2

30 mm2

40 mm2

45 mm2

High-Yield Explanation

Effective diameter or vibratory area of tympanic membrane is 45mm2; Area of tympanic membrane is 90mm2 Stapes footplate area is 3.2mm2 Ref: PL Dhingra 6th edition of Ear, Nose and Throat; pg no 15

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The effective diameter of the tympanic membrane is

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