Chapter 3

Question 1

What are the three portions of the ear?

a) Outer, Middle, and Inner Ear
b) Cochlea, Ossicles, and Eardrum
c) Auditory Canal, Tympanic Membrane, and Eustachian Tube
d) Malleus, Incus, and Stapes

Answer 1

a

Question 2

The outer and middle ears together form the:

a) Sensory mechanism
b) Neural mechanism
c) Conductive mechanism
d) Auditory mechanism

Answer 2

c

Question 3

The process of transforming mechanical energy into a fluid wave within the cochlea is known as:

a) Acoustic transformation
b) Hydromechanical energy conversion
c) Electrical transduction
d) Conductive transmission

Answer 3

b

Question 4

What type of hearing loss does the Weber tuning-fork test help identify?

a) Conductive and Sensory/Neural
b) Mixed and Sensorineural
c) Bilateral and Unilateral
d) Symmetrical and Asymmetrical

Answer 4

a

Question 5

Which tuning-fork test compares the perceived loudness of an air-conducted signal to a bone-conducted signal?

a) Weber
b) Rinne
c) Schwabach
d) Bing

Answer 5

b

Question 6

In pure-tone audiometry, sound pressure levels in the test environment must not exceed standards set by:

a) The American Audiology Association
b) The World Health Organization
c) The American National Standards Institute (ANSI)
d) The National Institute on Deafness

Answer 6

c

Question 7

Which type of calibration should be performed annually on audiometric equipment?

a) Bioacoustic
b) Electroacoustic
c) Physical
d) Mechanical

Answer 7

b

Question 8

What frequencies are routinely tested during air conduction in pure-tone audiometry?

a) 500 to 2000 Hz
b) 250 to 8000 Hz
c) 125 to 4000 Hz
d) 1000 to 20000 Hz

Answer 8

b

Question 9

Bone conduction audiometry typically tests which frequency range?

a) 125 to 2000 Hz
b) 250 to 4000 Hz
c) 500 to 6000 Hz
d) 8000 to 16000 Hz

Answer 9

b

Question 10

Which placement is preferred for bone conduction testing?

a) Forehead
b) Mastoid process
c) Temporal bone
d) Occipital bone

Answer 10

b

Question 11

What is the main advantage of using insert headphones over supra-aural earphones in air-conduction audiometry?

a) Cost-effectiveness
b) Better infection control
c) Higher frequency range
d) Greater comfort

Answer 11

b

Question 12

In air-conduction audiometry, which ear is traditionally tested first?

a) Left ear
b) Right ear
c) The better ear
d) The worse ear

Answer 12

b

Question 13

During air-conduction audiometry, if there is no response at 30 dB HL, the next step is to:

a) Decrease by 10 dB
b) Increase by 5 dB
c) Increase to 50 dB HL
d) Retest at 30 dB HL

Answer 13

c

Question 14

The lowest level at which a patient can correctly identify a tone at least 50% of the time is known as the:

a) Detection level
b) Threshold
c) Perception level
d) Sensation level

Answer 14

b

Question 15

The three-frequency Pure-Tone Average (PTA) is the average of which frequencies?

a) 125, 500, and 1000 Hz
b) 500, 1000, and 2000 Hz
c) 1000, 2000, and 4000 Hz
d) 250, 500, and 1000 Hz

Answer 15

b

Question 16

What is the term for the difference between air-conduction thresholds and bone-conduction thresholds?

a) Sensory gap
b) Neural gap
c) Air-Bone Gap (ABG)
d) Conductive gap

Answer 16

c

Question 17

Which degree of hearing loss is characterized by a Pure-Tone Average (PTA) of 41 to 55 dB?

a) Mild
b) Moderate
c) Moderately severe
d) Severe

Answer 17

b

Question 18

Bone-conduction audiometry helps determine the patient’s:

a) Auditory nerve sensitivity
b) Sensory/neural sensitivity
c) Conductive mechanism function
d) Eustachian tube function

Answer 18

b

Question 19

Which frequencies are not recorded for bone-conduction thresholds?

a) 250 Hz and 500 Hz
b) 6000 Hz and 8000 Hz
c) 1000 Hz and 2000 Hz
d) 3000 Hz and 4000 Hz

Answer 19

b

Question 20

What effect does uncovering both ears during routine bone-conduction audiometry help to avoid?

a) Cross hearing
b) Occlusion effect
c) Interference effect
d) Reverberation effect

Answer 20

b

Question 21

Which type of hearing loss shows normal thresholds in bone conduction but loss of sensitivity in air conduction?

a) Sensory/Neural
b) Conductive
c) Mixed
d) Central

Answer 21

b

Question 22

The Rinne test involves placing the tuning fork at which two locations?

a) Mastoid process and ear canal
b) Forehead and nose
c) Cheekbone and jawline
d) Temple and earlobe

Answer 22

a

Question 23

Pure-tone audiometry with reduced clinician time can be achieved through:

a) Manual audiometry
b) Automatic audiometry
c) Speech audiometry
d) Tympanometry

Answer 23

b

Question 24

The Weber test is useful for detecting which type of hearing loss?

a) Bilateral hearing loss
b) Unilateral hearing loss
c) Central hearing loss
d) Mixed hearing loss

Answer 24

b

Question 25

If a patient’s air conduction thresholds are 40 dB and bone conduction thresholds are 10 dB, what type of hearing loss is indicated?

a) Normal hearing
b) Conductive hearing loss
c) Sensory/neural hearing loss
d) Mixed hearing loss

Answer 25

b

Question 26

What is the main disadvantage of using supra-aural headphones in air-conduction audiometry?

a) Poor frequency range
b) Risk of ear canal collapse
c) Low comfort
d) High cost

Answer 26

b

Question 27

Which of the following is not a routine test frequency for air conduction?

a) 1000 Hz
b) 3000 Hz
c) 6000 Hz
d) 10000 Hz

Answer 27

d

Question 28

A patient with a Pure-Tone Average (PTA) of 26 to 40 dB has which degree of hearing loss?

a) Slight
b) Mild
c) Moderate
d) Moderately severe

Answer 28

b