Q The length of the external auditory canal is:
A. 15 mm
B. 10 mm
C. 24 mm
D. 38 mm
Explanation
In adults the external acoustic meatus measures about 24 mm from the introitus to the tympanic membrane which is its medial limit.
A. 15 mm B. 10 mm C. 24 mm D. 38 mm Explanation
In adults the external acoustic meatus measures about 24 mm from the introitus to the tympanic membrane which is its medial limit.