Hearing Disorders 002 - Basic Hearing Science 01

1.

The description of the physical events which occur in the production of sound is called ____________.

A.

Pitch
B.

Vibration
C.

Acoustics
D.

Decibel

Correct Answer
C. Acoustics

Explanation
ACOUSTICS - refers to the physical effects in the making of sound.
VIBRATION - refers to the rapid linear motion (or oscillation) of a particle or of an elastic solid about an equilibrium position.
DECIBEL - unit used to measure the intensity of a sound.
PITCH - the subjective auditory sensation that correlates to the frequency of a sound.

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2.

The rapid linear motion (or oscillation) of a particle or of an elastic solid about an equilibrium position is called a _________.

A.

Vibration
B.

Sone
C.

Acoustics
D.

Sinusoidal

Correct Answer
A. Vibration

Explanation
VIBRATION - refers to the rapid linear motion (or oscillation) of a particle or of an elastic solid about an equilibrium position.
ACOUSTICS - refers to the physical effects in the making of sound.
SONE - a unit of loudness for a sound relative to a loudness level of 40 phon.
SINUSOIDAL - a waveform whose amplitude versus time variation follows the course of a sinusoid function

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3.

A waveform describe by amplitude versus time that follows the course of a sinusoid function.

A.

Vibration
B.

Sone
C.

Sinusoidal
D.

Decibel

Correct Answer
C. Sinusoidal

Explanation
VIBRATION - refers to the rapid linear motion (or oscillation) of a particle or of an elastic solid about an equilibrium position.
SONE - a unit of loudness for a sound relative to a loudness level of 40 phon.
SINUSOIDAL - a waveform whose amplitude versus time variation follows the course of a sinusoid function
DECIBEL - unit used to measure the intensity of a sound.

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4.

_______ is the perceived intensity of sound.

A.

Pitch
B.

Loudness
C.

Intensity
D.

Frequency

Correct Answer
B. Loudness

Explanation
PITCH - the subjective auditory sensation that correlates to the frequency of a sound.
LOUDNESS - the subjective auditory sensation that correlates to intensity
INTENSITY - a quantity expressing the amount of sound such as sound pressure level, power or amplitude
FREQUENCY - the number of completed repitions of a waveform that occurs in a period of time (ex. cycles per second of Hz)

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5.

Which tuning fork test is most useful when a unilateral hearing loss is present?

A.

Weber
B.

Rinne
C.

Stenger
D.

Schwabach

Correct Answer
A. Weber

Explanation
The Weber, Rinne and Schwabach are all tuning fork tests.
The Stenger is not a tuning fork test, it employs the use of pure tones. The Stenger is a test to help determine whether a nonorganicor functional hearing loss is indicated.

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6.

In which test is the stem of a vibrating tuning fork placed first on the temporal bone and then again near the ear the determine the presence of a sensorineural hearing loss?

A.

Rinne
B.

Bing
C.

Weber
D.

Stenger

Correct Answer
A. Rinne

7.

The process by which sound is conducted to the inner ear through the air in the ear canal and via the ossicles in the middle ear is called ________________.

A.

Acoustics
B.

Bone conduction
C.

Air conduction
D.

Audiometer

Correct Answer
C. Air conduction

Explanation
Air conduction is the process by which sound travels to the inner ear by going through the air in the ear canal then through the middle ear via the ossicles (malleus, incus & stapes).

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8.

The range of hearing between when a person first hears sound and the point that sound is uncomfortably loud is called ___________.

A.

Most comfortable loudness
B.

Recruitment
C.

Tuning curve
D.

Dynamic range

Correct Answer
D. Dynamic range

Explanation
The dynamic range is the difference between the threshold of hearing and the threshold of pain.

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9.

An abnormal phenomenon of loudnes sensitivity is called _______________.

A.

Recruitment
B.

Dynamic range
C.

Acoustics
D.

Loudness discomfort level

Correct Answer
A. Recruitment

Explanation
recruitment is an abnormal loudness sensitivity which is generally regarded as a soft sign for a retrocochlear lesion.

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10.

The intensity at which an individual prefers to listen to sound is commonly refered to as _____________.

A.

Speech recognition threshold
B.

Dynamic range
C.

Most comfortable loudness level
D.

Word discrimination

Correct Answer
C. Most comfortable loudness level