Pregunta 1
Pregunta
Recruitment is the sensitivity to sound that anyone can suffer from.
Pregunta 2
Pregunta
Presbycusis is hearing loss due to aging.
Pregunta 3
Pregunta
What are the 4 different means of conducting sound to the brain?
Respuesta
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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
Pregunta 4
Pregunta
Cerumen has its origin in the?
Respuesta
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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
Pregunta 5
Pregunta
The tympanic membrane receives acoustic energy in the form of sound waves and changes or transduces it to?
Respuesta
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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
Pregunta 6
Pregunta
The ear is most accurately considered to be the?
Respuesta
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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
Pregunta 7
Pregunta
The normal condition of the Eustachian tube is?
Pregunta 8
Pregunta
The fluid that fills the cochlear duct is?
Respuesta
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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
Pregunta 9
Pregunta
The general frequency localization on the basilar membrane is?
Respuesta
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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
Pregunta 10
Pregunta
In the inner ear, the transmitting medium for sound is considered to be?
Respuesta
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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
Pregunta 11
Pregunta
The ratio of the difference in area size between the tympanic membrane and the oval window is?
Pregunta 12
Pregunta
The most protruding landmark on the tympanic membrane is the?
Respuesta
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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
Pregunta 13
Pregunta
The epitympanic recess:
Pregunta 14
Pregunta
Which of the following does not relate to the inner ear?
Respuesta
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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
Pregunta 15
Pregunta
Which of the following does not relate to the cochlea?
Pregunta 16
Pregunta
The two basic parts of a sound wave are?
Pregunta 17
Pregunta
Approximately how many hair cells are there in the organ of corti?
Respuesta
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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
Pregunta 18
Pregunta
The essential parts of the organs of hearing and balance are situated in:
Respuesta
-
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
Pregunta 19
Pregunta
The annular ligament:
Respuesta
-
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
Pregunta 20
Pregunta
How many octaves lie between 500 Hz and 8000 Hz?
Pregunta 21
Pregunta
The frequency of a pure tone is determined by?
Respuesta
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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
Pregunta 22
Pregunta
If two tones of the same frequency and intensity are 180 degrees out of phase:
Respuesta
-
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
-
the frequency will be halved
Pregunta 23
Pregunta
Pitch is to frequency as:
Pregunta 24
Pregunta
Essentials necessary for sound to be created and heard are?
Respuesta
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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
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force, medium, listener
Pregunta 25
Pregunta
The relationship between speech power and speech intelligibility is?
Respuesta
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low frequencies have more intelligibility, but less power
-
low frequencies have less intelligibility and less power
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high frequencies have more intelligibility and more power
-
high frequencies have less intelligibility and less power
-
high frequencies have more intelligibility, but less power
Pregunta 26
Pregunta
The frequency limits of the audible area of man range from:
Respuesta
-
1 to 10,000 Hz
-
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
Pregunta 27
Pregunta
Select the approximate dB intensity decrease as the distance from a sound source is doubled:
Respuesta
-
3 dB
-
2 dB
-
12 dB
-
6 dB
-
4 dB
Pregunta 28
Pregunta
If the 4th harmonic in an auditory stimulus is 1600 Hz, the fundamental frequency of that stimulus is?
Respuesta
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800 Hz
-
400 Hz
-
200 Hz
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6400 Hz
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3200 Hz
Pregunta 29
Pregunta
The fundamental frequency is the:
Respuesta
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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
Pregunta 30
Pregunta
Most speech intelligibility is contained in which of the following frequency regions?