Questão 1
Questão
Recruitment is the sensitivity to sound that anyone can suffer from.
Questão 2
Questão
Presbycusis is hearing loss due to aging.
Questão 3
Questão
What are the 4 different means of conducting sound to the brain?
Responda
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Acoustic, mechanical, air, chemical
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Air, hydraulic, chemical, electrical
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Vibration, fluid, chemical, electrical
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Acoustic, mechanical, hydraulic, electrical
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None of the above
Questão 4
Questão
Cerumen has its origin in the?
Responda
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Cochlea
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External auditory meatus
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Middle ear
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Tympanic membrane
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Epitympanic recess
Questão 5
Questão
The tympanic membrane receives acoustic energy in the form of sound waves and changes or transduces it to?
Responda
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Electrical energy
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Mechanical energy
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Potential energy
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Hydraulic energy
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Kinetic energy
Questão 6
Questão
The ear is most accurately considered to be the?
Responda
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Organ of hearing
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Outer ear
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Organ of equilibrium
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Pinna
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Both a and c
Questão 7
Questão
The normal condition of the Eustachian tube is?
Questão 8
Questão
The fluid that fills the cochlear duct is?
Responda
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Perilymph
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Endolymph
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Cerebrospinal fluid
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Both a and b
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Both a and c
Questão 9
Questão
The general frequency localization on the basilar membrane is?
Responda
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Lows at the basal end and highs at the apical end
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Both lows and highs represented all along the basilar membrane
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Highs at the basal end and lows at the apical end
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Highs at the basal end and lows all along the basilar membrane
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Lows at the basal end and highs all along the basilar membrane
Questão 10
Questão
In the inner ear, the transmitting medium for sound is considered to be?
Responda
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Air
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Bone
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Fluid
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Solid
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All of the above
Questão 11
Questão
The ratio of the difference in area size between the tympanic membrane and the oval window is?
Questão 12
Questão
The most protruding landmark on the tympanic membrane is the?
Responda
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Umbo
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The anterior and posterior malleolar folds
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Anterior process of the malleolus
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The lateral process of the malleolus
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The annulus
Questão 13
Questão
The epitympanic recess:
Questão 14
Questão
Which of the following does not relate to the inner ear?
Responda
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Semicircular canals
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Cochlea
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Vestibule
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Perilymph
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ossicles
Questão 15
Questão
Which of the following does not relate to the cochlea?
Questão 16
Questão
The two basic parts of a sound wave are?
Questão 17
Questão
Approximately how many hair cells are there in the organ of corti?
Responda
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About 5000 inner hair cells and about 10,000 outer hair cells
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About 12,000 inner hair cells and about 20,000 outer hair cells
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About 500 inner hair cells and about 1,000 outer hair cells
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About 100 inner hair cells and about 100 outer hair cells
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About 20,000 inner hair cells and about 1500 outer hair cells
Questão 18
Questão
The essential parts of the organs of hearing and balance are situated in:
Responda
-
The mastoid bone
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The tympanic bone
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The meatal bone
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The temporal bone
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The cochlear bone
Questão 19
Questão
The annular ligament:
Responda
-
Suspends the auditory ossicles within the middle ear cavity
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Connects the tympanic membrane to the external auditory meatus walls
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Is that ligament which annually develops to age 17-18
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Fastens the footplate of the stapes to the bony wall of the oval window
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Is responsible for maintaining tension on the tympanic membrane
Questão 20
Questão
How many octaves lie between 500 Hz and 8000 Hz?
Questão 21
Questão
The frequency of a pure tone is determined by?
Responda
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the amplitude of the vibrator
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friction acting on the vibrator
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the spectrum of the pure tone
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the intensity of the pure tone
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the number of complete cycles occurring per second
Questão 22
Questão
If two tones of the same frequency and intensity are 180 degrees out of phase:
Responda
-
their intensities are additive and resonance occurs
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a different tone will be heard
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no sound will be heard
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their collective intensity will be half the original intensity
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the frequency will be halved
Questão 23
Questão
Pitch is to frequency as:
Questão 24
Questão
Essentials necessary for sound to be created and heard are?
Responda
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vibrator, medium, listener
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vibrator, medium, force
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vibrator, medium, force, listener
-
vibrator, force, listener
-
force, medium, listener
Questão 25
Questão
The relationship between speech power and speech intelligibility is?
Responda
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low frequencies have more intelligibility, but less power
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low frequencies have less intelligibility and less power
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high frequencies have more intelligibility and more power
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high frequencies have less intelligibility and less power
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high frequencies have more intelligibility, but less power
Questão 26
Questão
The frequency limits of the audible area of man range from:
Responda
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1 to 10,000 Hz
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125 to 8000 Hz
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250 to 8000 Hz
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20 to 20,000 Hz
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300 to 3000 Hz
Questão 27
Questão
Select the approximate dB intensity decrease as the distance from a sound source is doubled:
Responda
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3 dB
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2 dB
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12 dB
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6 dB
-
4 dB
Questão 28
Questão
If the 4th harmonic in an auditory stimulus is 1600 Hz, the fundamental frequency of that stimulus is?
Responda
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800 Hz
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400 Hz
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200 Hz
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6400 Hz
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3200 Hz
Questão 29
Questão
The fundamental frequency is the:
Responda
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Psychological response to a pure tone
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Lowest frequency component of a complex tone
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Most commonly occurring frequency in a noise stimulus
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Frequency that is basic to all tones
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None of the above
Questão 30
Questão
Most speech intelligibility is contained in which of the following frequency regions?