#1
Which part of the ear is responsible for collecting sound waves?
Auricle
ExplanationOuter ear structure for directing sound into the ear canal.
#2
What is the term for the ability of the ear to distinguish different frequencies of sound?
Pitch discrimination
ExplanationCapacity to differentiate between high and low frequency sounds.
#3
Which part of the ear is responsible for helping to differentiate between loud and soft sounds?
Cochlea
ExplanationConverts varying sound intensities into nerve impulses.
#4
Which part of the ear is responsible for transforming sound waves into vibrations in the middle ear?
Tympanic membrane
ExplanationConverts sound waves into mechanical vibrations.
#5
What is the function of the stapes bone in the middle ear?
Amplify sound
ExplanationConveys vibrations from the incus to the inner ear.
#6
What is the function of the ossicles in the middle ear?
Amplify sound
ExplanationBones that transmit and amplify sound vibrations.
#7
Which of the following senses the position of the head and helps in maintaining balance?
Semicircular canals
ExplanationFluid-filled tubes detecting rotational movements.
#8
Which component of the ear converts sound vibrations into electrical signals for the brain to interpret?
Auditory nerve
ExplanationTransmits signals from cochlea to brain for interpretation.
#9
What is the medical term for the inflammation of the middle ear?
Otitis media
ExplanationInfection causing inflammation of the middle ear.
#10
What is the term for the ringing or buzzing sound in the ears without an external source?
Tinnitus
ExplanationPerception of noise without external stimulus.
#11
Which of the following is responsible for transmitting sound vibrations from the outer ear to the middle ear?
Tympanic membrane
ExplanationThin membrane transferring sound energy to middle ear.
#12
What is the main function of the cochlea in the inner ear?
Convert sound vibrations into nerve signals
ExplanationSpiral-shaped structure translating vibrations into neural impulses.
#13
Which part of the ear is connected to the throat and helps equalize air pressure?
Eustachian tube
ExplanationTube linking middle ear to the throat for pressure equalization.
#14
Which structure of the ear is responsible for helping us maintain a sense of balance?
Semicircular canals
ExplanationFluid-filled canals detecting changes in head rotation.
#15
What is the purpose of the Eustachian tube in the ear?
Equalize pressure
ExplanationMaintains pressure equilibrium between middle ear and atmosphere.
#16
In what way do hair cells in the cochlea contribute to hearing?
Converting vibrations into nerve signals
ExplanationSensory cells converting sound waves into electrical signals.
#17
What condition is characterized by the gradual loss of hearing due to aging?
Presbycusis
ExplanationAge-related hearing impairment.