Exam Questions and CORRECT Answers
The sensorineural mechanism is comprised of: - CORRECT ANSWER - inner ear and
auditory nerve
When air conduction is impaired and bone conduction is impaired to the same degree, the
interpretation is: - CORRECT ANSWER - sensorineural hearing loss
The air-conduction pathway is the: - CORRECT ANSWER - outer ear, middle ear, inner
ear, auditory nerve
The conductive mechanism is comprised of: - CORRECT ANSWER - outer ear and
middle ear
When air conduction is impaired and bone conduction is normal, the interpretation is: -
CORRECT ANSWER - conductive hearing loss
The bone-conduction pathway is the: - CORRECT ANSWER - inner ear, auditory nerve
When air conduction is impaired and bone conduction is impaired, but to a lesser degree the
interpretation is: - CORRECT ANSWER - mixed hearing loss
When air conduction is normal and bone conduction is normal, the interpretation is: - CORRECT
ANSWER - normal hearing
The SPL of a sound with a pressure output of 200 micropascals is: - CORRECT
ANSWER - 20 dB
The velocity of sound is - CORRECT ANSWER - greater in denser media
, At its resonant frequency, a mass vibrates - CORRECT ANSWER - with the least amount
of applied energy
If the firth harmonic of a sound is 500 Hz, the fundamental frequency is: - CORRECT
ANSWER - 100 Hz
When the expression sound-pressure level (SPL) is used, this means that the reference is: -
CORRECT ANSWER - 20 micropascals
When the expression intensity level (L) is used, this means that the reference is not: - CORRECT
ANSWER - 0.0002 dyn/cm²
The period of a 100 Hz Tone is: - CORRECT ANSWER - 1/100 sec
In the propagation of a sound, as air molecules are moved further from each other, they are said
to be: - CORRECT ANSWER - rarefied
The condition in which air molecules are packed most tightly together is called the - CORRECT
ANSWER - compression
Sound intensity: - CORRECT ANSWER - decreases inversely as a function of the square
of the distance of the source
Acceleration is: - CORRECT ANSWER - velocity divided by time
The unit of measurement in equal loudness contours is: - CORRECT ANSWER - phon
The IL of a sound is 50 dB. Its intensity output is: - CORRECT ANSWER - 10-7 watt/m²