Anatomy of the Auditory and Vestibular System

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What is the function of the auricle?

Balance air pressure
Collect pressure waves (correct)
Conduct pressure waves towards eardrum
Capture pressure waves

What is the role of the auditory ossicles?

Conduct pressure waves towards the eardrum
Capture pressure waves
Conduct pressure waves towards the cochlea (correct)
Balance air pressure

What is the function of the vestibule in the inner ear?

Detect linear movements (correct)
Detect sound waves
Detect changes in air pressure
Detect rotations of the head

What is the name of the nerve responsible for transmitting sound and balance information?

CN VIII – Vestibulocochlear nerve (C) Signup and view all the answers

What is the function of the Saccule?

Detects gravity and vertical acceleration (D) Signup and view all the answers

What is the term for the process of converting pressure waves into electric signals?

Auditory transduction (D) Signup and view all the answers

What is the name of the fluid that occupies the space between the bony wall of the labyrinth and the membranous labyrinth?

Perilymph (B) Signup and view all the answers

What is the name of the structure that houses the 'Organ of Corti'?

Cochlea (A) Signup and view all the answers

Which part of the cochlea produces endolymph?

Vascular stria (D) Signup and view all the answers

What is the term for the difficulty in understanding speech, loud speech, and uncertainty in the orientation of sound source?

Reduced hearing (A) Signup and view all the answers

Which Nobel laureate is associated with the discovery of the cochlea's function?

G.Békéssy (A) Signup and view all the answers

What is the function of the Outer hair cells?

Amplify sound signals (D) Signup and view all the answers

What is the function of sensory hair cells in the vestibular system?

To convert physical forces to electric signals (A) Signup and view all the answers

What is the effect of rotation of the head on the hair cells in the ampullae?

Depolarization on the side of the rotation (A) Signup and view all the answers

What is the main cause of motion sickness?

Conflicted sensory informations between inner ear and visual (B) Signup and view all the answers

What is the role of the otolithic membrane and otoconia in the vestibular system?

To detect gravity and linear acceleration (A) Signup and view all the answers

What is the term for the sensation of the world spinning even when at rest?

Vertigo (D) Signup and view all the answers

What is the function of the vestibular apparatus?

Sensory integration and motor control (A) Signup and view all the answers

What is the name of the nerve that transmits signals from the vestibular system to the brain?

Vestibular nerve (B) Signup and view all the answers

Which of the following is NOT a contributor to balance?

Hearing (B) Signup and view all the answers

Anatomy of the Auditory and Vestibular System

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