23 Questions
What is the function of the auricle?
Collect pressure waves
What is the role of the auditory ossicles?
Conduct pressure waves towards the cochlea
What is the function of the vestibule in the inner ear?
Detect linear movements
What is the name of the nerve responsible for transmitting sound and balance information?
CN VIII – Vestibulocochlear nerve
What is the function of the Saccule?
Detects gravity and vertical acceleration
What is the term for the process of converting pressure waves into electric signals?
Auditory transduction
What is the name of the fluid that occupies the space between the bony wall of the labyrinth and the membranous labyrinth?
Perilymph
What is the name of the structure that houses the 'Organ of Corti'?
Cochlea
Which part of the cochlea produces endolymph?
Vascular stria
What is the term for the difficulty in understanding speech, loud speech, and uncertainty in the orientation of sound source?
Reduced hearing
Which Nobel laureate is associated with the discovery of the cochlea's function?
G.Békéssy
What is the function of the Outer hair cells?
Amplify sound signals
What is the function of sensory hair cells in the vestibular system?
To convert physical forces to electric signals
What is the effect of rotation of the head on the hair cells in the ampullae?
Depolarization on the side of the rotation
What is the main cause of motion sickness?
Conflicted sensory informations between inner ear and visual
What is the role of the otolithic membrane and otoconia in the vestibular system?
To detect gravity and linear acceleration
What is the term for the sensation of the world spinning even when at rest?
Vertigo
What is the function of the vestibular apparatus?
Sensory integration and motor control
What is the name of the nerve that transmits signals from the vestibular system to the brain?
Vestibular nerve
Which of the following is NOT a contributor to balance?
Hearing
What is the term for the rapid, involuntary movements of the eyes that can occur in vestibular disorders?
Nystagmus
What is the purpose of the waste bag on airplanes?
For motion sickness
What is the acronym 'COWS' related to?
Cold or warm water in the ears
Test your knowledge of the outer, middle, and inner ear structures, including the auditory canal, ossicles, cochlea, and vestibulocochlear nerve. Learn about the anatomy of the auditory and vestibular system with this quiz.
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