Hearing Aid Academy Final Quiz-1 Exam Questions And Answers 100% Pass
1 view 0 purchase
Course
Hearing Aid
Institution
Hearing Aid
Hearing Aid Academy Final Quiz-1 Exam
Questions And Answers 100% Pass
Indicate the medium or mediums through which sound CANNOT travel:
gas
vacuum
gas or solid
solid or liquid - answervacuum
How do sound waves travel:
in expanding spheres in all directions
along the surface only
in a vacu...
1100 miles/hour - answer✔340 meters/second
The number of times a vibrating body completes a pattern of compressions and rarefactions per
second is the:
frequency of a sound
amplitude of a sound
cycle of a sound
wavelength of a sound - answer✔frequency of a sound
What do we call a sound that consists of only one frequency:
complex tone
pure tone
specific frequency sound
all of the above - answer✔pure tone
What is the interval between two frequencies called when the higher frequency is double the
lower frequency:
harmonic
overtone
octave
fundamental - answer✔octave
The lowest frequency that makes up most complex sounds is:
usually the loudest
said to predominate
called the fundamental frequency
all of the above - answer✔all of the above
A graphic representation of the relative strengths of the harmonics of a complex tone is called a:
harmonic analysis
line spectrum
quality graph
pitch analysis
all of the above - answer✔line spectrum
The decibel:
is an absolute measure of sound intensity
should never be qualified as a reference to a standard
is used only as a measure of hearing loss
none of the above - answer✔none of the above
The tympanic membrane receives acoustic energy in the form of sound waves and changes it to:
mechanical energy
hydraulic energy
electro-chemical energy
kinetic energy - answer✔mechanical energy
The sound of an approaching train can be heard through the rail before it can be heard through
the air because:
the train is in contact with the rail but not through the air
sound travels faster through the rail than through the air
sound will not travel through a steel rail
the frequency of sound is higher through the rail - answer✔sound travels faster through the rail
than through the air
During rarefaction the molecules are:
closer together at a state of increased pressure
further apart at a state of increased pressure
closer together at a state of decreased pressure
further apart at a state of decreased pressure - answer✔further apart at a state of decreased
pressure
A formant is:
a graph showing the amplitude and frequency of a complex sound
the fundamental frequency plus all harmonics
a frequency region within which certain harmonics have relatively large energy
the relative strength of all frequencies in a complex sound - answer✔a frequency region within
which certain harmonics have relatively large energy
Where are the low frequencies analyzed in the cochlea:
apex
near the middle
near the oval window
base - answer✔apex
The organ of Corti is located in the:
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Thebright. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.
