#1
Which part of the ear is responsible for collecting sound waves?
Pinna
ExplanationExternal ear structure aiding in sound capture.
#2
What is the medical term for the eardrum?
Tympanic membrane
ExplanationThin membrane separating outer and middle ear.
#3
What is the name of the membrane separating the outer and middle ear?
Tympanic membrane
ExplanationBarrier between external and middle ear spaces.
#4
Which part of the ear converts sound waves into electrical signals?
Cochlea
ExplanationTransformation of mechanical stimuli to neural impulses.
#5
What is the purpose of earwax (cerumen) in the ear canal?
To protect the eardrum
ExplanationLubricating and shielding the ear canal.
#6
Which of the following is NOT a function of the auditory nerve?
Regulating fluid balance in the inner ear
ExplanationNot directly involved in fluid homeostasis.
#7
Which part of the inner ear is responsible for balance?
Semicircular canals
ExplanationFluid-filled canals detecting head movement.
#8
What is the function of the auditory nerve?
Transmit sound signals from the cochlea to the brain
ExplanationNeural pathway for auditory information to the brain.
#9
What is the role of the Eustachian tube in the ear?
To regulate air pressure
ExplanationMaintaining equilibrium between middle ear and environment.
#10
Which of the following is NOT a function of the outer ear?
Amplifying sound
ExplanationOuter ear mainly for sound gathering, not amplification.
#11
What is the function of the semicircular canals?
Detect changes in head position
ExplanationMaintaining balance and spatial orientation.
#12
What causes sensorineural hearing loss?
Damage to the auditory nerve
ExplanationImpairment of neural transmission from inner ear to brain.
#13
Which structure in the ear is responsible for amplifying sound waves?
Ossicles
ExplanationThree small bones transmitting vibrations.
#14
What is the primary function of the cochlea?
Transmitting sound signals to the brain
ExplanationConverting sound vibrations into nerve impulses.
#15
Which part of the ear is responsible for detecting changes in head position?
Semicircular canals
ExplanationContributing to the body's sense of balance.
#16
What is the function of the auditory ossicles?
Transmit vibrations from the eardrum to the cochlea
ExplanationConveying sound waves from outer to inner ear.
#17
Which part of the ear contains the organ of Corti?
Cochlea
ExplanationKey sensory organ for auditory transduction.
#18
What is the role of the tensor tympani muscle?
To protect the inner ear from loud noises
ExplanationDampening excessive sound vibrations.