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The Cochlea: Structure and Function in Hearing

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The Cochlea: Structure and Function in Hearing

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Questions and Answers

What is the primary function of the cochlea in the human ear?

To sense pressure from sound vibrations (correct)

To produce acoustic energy

To aid in balance

To transmit electric signals to the outer ear

What is the name of the axis around which the three canals of the cochlea are wrapped?

Helicotrema

Semicircular canals

Modiolus (correct)

Scala tympani

What is the cochlea not a part of?

The skeletal system (correct)

The auditory system

The inner ear

The outer ear

What is the name of the small opening that connects the upper and lower canals of the cochlea?

Helicotrema Signup and view all the answers

What is the fluid that fills the canals of the cochlea?

Perilymph Signup and view all the answers

What is the cochlea shaped like?

A snail shell Signup and view all the answers

What is the purpose of the semicircular canals in the inner ear?

To regulate balance Signup and view all the answers

What is the shape of the cochlear duct?

Triangle Signup and view all the answers

What is the primary function of the organ of Corti?

To transmit sound waves to the brain Signup and view all the answers

What is the direction of sound wave travel?

Away from the source of the sound Signup and view all the answers

What triggers the hair cells located on the organ of Corti?

The vibration of the fluid in the cochlea Signup and view all the answers

What is the role of the base of the cochlea?

To hear high pitches Signup and view all the answers

What is the purpose of a hearing aid?

To amplify sound waves Signup and view all the answers

What is the controversy surrounding cochlear implants?

Their potential to ruin deaf culture and community Signup and view all the answers

What is the route of sound transmission in a cochlear implant?

Processor, receiver, inner ear, auditory nerve, brain Signup and view all the answers