Audiology

Question 1

What is the main function of the pinna?

Answer 1

b) Collecting and directing airborne sound waves

Question 2

The middle ear amplifies sound by approximately:

Answer 2

c) 25 dB

Question 3

The ossicular chain consists of the:

Answer 3

b) Malleus, incus, and stapes

Question 4

Which of the following protects the middle and inner ear structures from damage due to loud sounds?

Answer 4

b) Stapedius muscle

Question 5

The cochlea is responsible for:

Answer 5

c) Sensory transduction of sound waves

Question 6

The scala media (cochlear duct) is filled with:

Answer 6

b) Endolymph

Question 7

The role of outer hair cells in the cochlea is to:

Answer 7

b) Amplify vibrations and enhance frequency selectivity

Question 8

Hearing loss caused by issues in the cochlea or auditory nerve is categorized as:

Answer 8

b) Sensorineural hearing loss

Question 9

Which is the most common cause of noise-induced hearing loss?

Answer 9

b) Exposure to sounds above 85 dB over long periods

Question 10

Which structure vibrates in response to sound waves and separates the outer ear from the middle ear?

Answer 10

a) Tympanic membrane

Question 11

What is the main ion responsible for depolarization in hair cells?

Answer 11

b) Potassium

Question 12

Which syndrome is characterized by progressive renal failure and hearing loss?

Answer 12

a) Alport syndrome

Question 13

A patient with unilateral hearing loss and tinnitus is likely to be diagnosed with:

Answer 13

b) Vestibular schwannoma

Question 14

The stapedial reflex is triggered by:

Answer 14

b) Loud sounds

Question 15

Which type of hearing loss involves both conductive and sensorineural components?

Answer 15

c) Mixed hearing loss

Question 16

What is a characteristic of presbycusis?

Answer 16

b) Loss of high-frequency sensitivity

Question 17

Endolymphatic hydrops is associated with which condition?

Answer 17

c) Meniere’s disease

Question 18

Which is a non-syndromic genetic cause of hearing loss?

Answer 18

b) GJB2 mutation

Question 19

Otosclerosis primarily affects:

Answer 19

c) The ossicular chain

Question 20

What is the primary diagnostic tool for measuring hearing thresholds?

Answer 20

c) Pure tone audiometry

Question 21

Which fluid acts as a cushioning agent in the cochlea?

Question 22

What structure in the cochlea is responsible for sensory transduction?

Question 23

Which syndrome includes partial albinism and hearing loss?

Question 24

The basilar membrane is:

Question 25

What is the most common viral cause of congenital hearing loss?

Question 26

A patient with pulsatile tinnitus and a reddish mass visible behind the tympanic membrane might have:

Question 27

Tympanosclerosis is commonly associated with:

Question 28

Which cranial nerve is involved in transmitting sound information to the brain?

Question 29

What is the function of the tectorial membrane in the cochlea?

Question 30

A notch in hearing sensitivity around 4 kHz is characteristic of:

Question 31

Which drug is most likely to cause reversible hearing loss?

Question 32

Which ototoxic drug causes high-frequency hearing loss that is usually irreversible?

Question 33

The organ of Corti contains:

Question 34

The process of impedance matching in the middle ear involves:

Question 35

Congenital hearing loss due to maternal rubella is often:

Question 36

The auditory pathway includes:

Question 37

The vestibular system is located in:

Question 38

Which condition is characterized by progressive hearing loss, tinnitus, and vertigo?

Question 39

The stria vascularis is essential for:

Question 40

Presbycusis primarily affects:

Question 41

Which structure acts as a pressure equalizer in the ear?

Question 42

Hearing loss due to temporal bone trauma is often:

Question 43

Which test measures middle ear function?

Question 44

Sensorineural hearing loss involving the central auditory nervous system results in:

Question 45

A patient with conductive hearing loss from ossicular discontinuity is likely to have:

Question 46

Which disease involves fluctuating low-frequency hearing loss?

Question 47

Which type of hearing loss is typically associated with otitis media?

Question 48

Noise-induced hearing loss primarily damages:

Question 49

The auditory cortex is located in the:

Question 50

Which condition may result from exposure to aminoglycosides?