Medical MCQ-At which location along the basilar membrane are the highest-frequency sounds detected?

At which location along the basilar membrane are the highest-frequency sounds detected?

Nearest the oval window

Fahest from the oval window, near the helicotrema

Uniformly along the basilar membrane

At the midpoint of the membrane

Question Category:

ENT

Correct Answer:

Nearest the oval window

Description:

The basilar membraneis widest (0.42-0.65 mm) and least stiff at the apex of the cochlea, and narrowest (0.08-0.16 mm) and stiffest at the base (near the round and oval windows). High-frequency soundslocalize near the base of the cochlea, while low-frequency sounds localize near the apex. Ref otolaryngology dhingra 3/e p34

Previous MCQ

Next MCQ

Get More

Subject Mock Tests

Try practicing mock tests with over 200,000 questions from various medical subjects.

Attempt a mock test now

Mock Exam

Attempt an exam of 100 questions randomly chosen from all subjects.

Coming Soon