Questions and CORRECT Answers
Helps with sound localization and ear protection. - CORRECT ANSWER - Tragus
Endolymph and perilymph. - CORRECT ANSWER - Cochlea fluid
Supports the organ of Corti. - CORRECT ANSWER - Basilar membrane
Muscle in the middle ear that protects from loud sounds. - CORRECT ANSWER - Tensor
tympani
Controls the movement of the stapes. - CORRECT ANSWER - Stapedius muscle
Carries sound signals to the brain. - CORRECT ANSWER - Auditory nerve (Cranial
Nerve VIII)
Transduces mechanical sound into neural impulses. - CORRECT ANSWER - Hair cells in
the organ of Corti
Type of hearing that uses the skull to bypass outer/middle ear. - CORRECT ANSWER -
Bone conduction
Inside the cochlea. - CORRECT ANSWER - Organ of Corti location
Delivers auditory info to the brain. - CORRECT ANSWER - Central auditory pathway
An infection of the external ear canal. - CORRECT ANSWER - Otitis externa
, Abnormal skin growth in the middle ear. - CORRECT ANSWER - Cholesteatoma
Bony growths in the ear canal, often from cold water exposure. - CORRECT ANSWER -
Exostoses
Tumor that affects the auditory nerve. - CORRECT ANSWER - Acoustic neuroma
Condition that causes hearing loss, tinnitus, and vertigo. - CORRECT ANSWER -
Meniere's Disease
Hearing loss that affects high frequencies first and is caused by loud noise. - CORRECT
ANSWER - Noise-induced hearing loss
Equal reduction in air and bone conduction; permanent. - CORRECT ANSWER -
Sensorineural hearing loss signs
Involves both air-bone gap and nerve loss. - CORRECT ANSWER - Mixed hearing loss
Sudden sensorineural hearing loss requiring immediate referral. - CORRECT ANSWER -
Red flag symptom
Might cause pain and visible drainage in the ear, requiring medical attention. - CORRECT
ANSWER - Ear infection or trauma
Indicates middle ear fluid or perforation. - CORRECT ANSWER - Type B tympanogram
Should be applied when air-bone gap exceeds 10 dB. - CORRECT ANSWER - Masking
in bone conduction testing