AM
SPI EDELMAN REVIEW EXAM ACTUAL QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
5.0 (1 review)
Practice questions for this set
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Select the correct term
is long or short PD more desirable for 2PRF formula
1
ultrasound?
3Effects of the sound wave upon the issue 4Decrease by a factor
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Terms in this set (103)
Increase by a factor multiply
Decrease by a factor divide
Unit of area cm², ft²
unit of volume cm^3, ft^3
G Giga
M Meg
k a
h Kilo
d Hect
a o
d deca
c deci
m centi
u milli
n micr
o
nano
Effects of the medium upon a acoustic propagation properties
sound wave?
Effects of the sound wave upon the biological effects
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issue
What do these words describe? - sound wave
longitudinal, Mechanical, straight line,
compressions, rarefactions, acoustic
Three acoustic variables pressure, density, distance
What units do these go with? Pa, Pa=pressure, kg cm^3 = density, cm/ft = distance
kg/cm^3, cm/ft
Seven acoustic parameters period, frequency, amplitude, power, intensity, wavelength, propagation speed
What kind of wave is transverse
described as perpendicular
or at right angles?
What kind of wave is described as longitudinal
moving in the same direction as the
wave?
What is it called when a wave loses its interference
individual characteristics and
combines to form one wave?
Type of interference when the constructive
resulting wave is larger?
Type of interference when the destructive
resulting wave is smaller?
What has occured when a wave has waves have different frequencies
both consturction and destrucive
interference?
A single cycle, determined by period
sound source
Number of events that occur at a frequency
specific time
Unit of frequency hertz
Period is____related to frequency inversely
Bigness parameters are: amplitude, power, intensity
Peak to peak amplitude is: amplitude X 2
Rate at which work is performed, power
units of watts
Power = amplitude ^2
Concentration of energy in a intensity
sound beam, units of watts/cm^2
Intensity = amplitude^2
Intensity is directly related to : power
Length of one complete cycle, wavelength
determined by both source and
medium
Equation for wavelength 1.54/frequency .
High frequency tranducers produce short
______ wavelength
Rate at which sound wave travels propogation speed
through a medium, unit of
distance/time
1540 m/s
1.54mm/
Speed of sound in soft tissue in 4
ways us
1.54km/s
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