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Anatomy of the Inner Ear

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Questions and Answers

What is the function of the sensitive receptor cells in the basilar membrane?

To transform sound energy into action potentials (correct)
To transmit sound waves to the brain
To reduce sound intensity
To amplify sound energy

What is the main factor that determines the quality or timbre of a sound?

The amplitude of the sound wave
The number of sound frequencies in addition to the fundamental tone (correct)
The speed of the sound wave
The frequency of the sound wave

What is the main characteristic of the basilar membrane that allows it to respond to different frequencies?

Its varying resonating properties along its length (correct)
Its consistent width along its length
Its constant curvature along its length
Its uniform thickness along its length

What is the range of frequencies that the human ear can respond to?

20 Hz to 20,000 Hz (A) Signup and view all the answers

What is the typical treatment for conductive hearing loss?

Bone-anchored hearing aid that is implanted into the skull (D) Signup and view all the answers

What is the term for the subjective experience of sound, which has attributes of loudness, pitch, and timbre?

Auditory perception (C) Signup and view all the answers

What is the standard measure of loudness?

Sound pressure level (SPL) (A) Signup and view all the answers

What is the term for the combination and interaction of sound waves that results in the quality of sound?

Timbre (A) Signup and view all the answers

What is the main challenge in understanding speech for people with hearing loss?

Presence of background noise (D) Signup and view all the answers

What is the characteristic of sound waves that determines their loudness?

Amplitude (A) Signup and view all the answers

What is the term for the difference in SNR between normal hearing and patients with hearing loss?

SNR-loss (D) Signup and view all the answers

What is the main goal of designing hearing aids?

To increase speech intelligibility without introducing acoustic distortions (A) Signup and view all the answers

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