BYU COMD 438 Exam 1 Review
(2025/2026) questions n correct
answers
history of the profession of audiology - correct answer ✔✔In the US after world war two, it
started as rehab for soldiers at military hospitals.
It's descended from SLP and otology.
The units of measure for frequency, pressure and force - correct answer ✔✔Frequency=hertz Hz
Pressure=Pascals Pa
Intensity=power/area example watts/meters ^2
dB SLP - calibrations, audiometer, retslps
dB HL- hearing tests, normalized for normal hearing
dB SL- reference, speech testing
impedance - correct answer ✔✔The opposition to the flow of energy. Expressed in OHMS.
What are different references for dB, and when are they used? - correct answer ✔✔?
Different types of waves - correct answer ✔✔Transverse
Complex
Longitudinal
What are the measurable attributes of a soundwave? - correct answer ✔✔Frequency,
Amplitude, and phase
, What are the physical properties (acoustics) and their psychological correlates (psychoacoustics)
of sound? - correct answer ✔✔Frequency=pitch
Intensity/amplitude=loudness
The outer ear - anatomy - correct answer ✔✔1.Pinna
2.External auditory canal
3.Tympanic membrane
Pinna - correct answer ✔✔¤Helix (outer ridge)
¤Concha ("bowl")*
¤Tragus
¤Antitragus
¤Lobule
¤Antihelix
¤Triangular Fossa
¨Made of cartilage
¨Covered in skin that is continuous with the face
External auditory canal - correct answer ✔✔1.Cartilaginous portion 2.Bony portion
Cartilaginous portion - correct answer ✔✔-Outer 1/3 to 1/2
-Skin in this part
-has cerumen glands
-has hair follicles
-is migratory
(2025/2026) questions n correct
answers
history of the profession of audiology - correct answer ✔✔In the US after world war two, it
started as rehab for soldiers at military hospitals.
It's descended from SLP and otology.
The units of measure for frequency, pressure and force - correct answer ✔✔Frequency=hertz Hz
Pressure=Pascals Pa
Intensity=power/area example watts/meters ^2
dB SLP - calibrations, audiometer, retslps
dB HL- hearing tests, normalized for normal hearing
dB SL- reference, speech testing
impedance - correct answer ✔✔The opposition to the flow of energy. Expressed in OHMS.
What are different references for dB, and when are they used? - correct answer ✔✔?
Different types of waves - correct answer ✔✔Transverse
Complex
Longitudinal
What are the measurable attributes of a soundwave? - correct answer ✔✔Frequency,
Amplitude, and phase
, What are the physical properties (acoustics) and their psychological correlates (psychoacoustics)
of sound? - correct answer ✔✔Frequency=pitch
Intensity/amplitude=loudness
The outer ear - anatomy - correct answer ✔✔1.Pinna
2.External auditory canal
3.Tympanic membrane
Pinna - correct answer ✔✔¤Helix (outer ridge)
¤Concha ("bowl")*
¤Tragus
¤Antitragus
¤Lobule
¤Antihelix
¤Triangular Fossa
¨Made of cartilage
¨Covered in skin that is continuous with the face
External auditory canal - correct answer ✔✔1.Cartilaginous portion 2.Bony portion
Cartilaginous portion - correct answer ✔✔-Outer 1/3 to 1/2
-Skin in this part
-has cerumen glands
-has hair follicles
-is migratory
