The Ear: Hearing and Balance Quiz

Which part of the ear is involved only in collecting sound waves?

• Middle ear

• Auricle (pinna)

• External (outer) ear

• Internal (inner) ear

What is the function of the cochlear nerve in the ear?

• Equalize pressure in the middle ear cavity

• Transmit and amplify vibrations from tympanic membrane to the fluids of the inner ear

• Transmit nerve impulses to the auditory cortex on the temporal lobe

• Report on the position of the head

Which part of the ear is responsible for responding to angular or rotational movements of the head?

• Maculae

• Crista ampullaris

• Vestibule

• Semicircular canals

What is the result of sensorineural deafness?

• Hinderance in the transmission of sound vibrations through the external and middle ears

• Progressive deafness and vertigo

• Damage to the nervous system structures involved in hearing

• Sensation of spinning

Which part of the ear is filled with perilymph and contains endolymph?

• Bony labyrinth

• Tympanic cavity

• Cochlear duct

• Vestibular apparatus

What is the function of the cupula in the dynamic equilibrium receptors of the ear?

• Drag against the endolymph

• Stimulate hair cells

• Respond to angular or rotational movements of the head

• Send information to the cerebellum of the brain

What is the result of conduction deafness?

• Hinderance in the transmission of sound vibrations through the external and middle ears

• Damage to the nervous system structures involved in hearing

• Progressive deafness and vertigo

• Sensation of spinning

Which part of the ear is responsible for reporting on the position of the head?

• Crista ampullaris

• Semicircular canals

• Vestibule

• Maculae

Which of the following is not a function of your ears?

• converts sound to an action potential

• interprets sound

• maintains balance and equilibrium

True or False. All of your cochlear cilia (little hairs) are roughly the same length, and they vibrate to send sound impulses to the brain for interpretation.

• True

• False