EDELMAN SPI EXAM REVIEW QUESTIONS WITH
VERIFIED ACCURATE ANSWERS
What is the vertical axis of a graph called?
A. Z-axis
B. X-axis
C. Y-axis
D. Time-axis - Answers -C. Y-axis
What is the name of the horizontal axis of a graph?
A. Z-axis
B. X-axis
C. Y-axis
D. Red axis - Answers -B. X-axis
What is the reciprocal of 5?
A. One-hundredth
B. 5
C. 1/5
D. One-millionth - Answers -C. 1/5
What is the reciprocal of 1/10?
A. One-hundredth
B. 10
C. 1/10
D. One-millionth - Answers -B. 10
Which of the following is not a measure of area?
A. Square cm
B. Meters squared
C. Cubic meters
D. Feet x feet - Answers -C. Cubic meters
The volume of a cystic structure is estimated from sonographic data. Which of the
following is an acceptable measurement of volume?
A. 6
B. 6 cm
C. 6 cm^2
D. 6 cm^3 - Answers -D. 6 cm^3
Select the sequence that appear in increasing order.
A. mega, kilo, hecto, milli, giga
B. nano, milli, micro, deci, deca, mega
,C. centi, deci, deca, hecto
D. milli, hecto, centi, deci, nano, giga - Answers -C. centi, deci, deca, hecto
How many nanoseconds are in 7 seconds?
A. 7,000,000
B. 7,000,000,000
C. 7 million
D. 0.00000007 - Answers -B. 7,000,000,000
The letters below represent the abbreviations for the prefixes of the metric system.
Select the sequence that appears in decreasing order.
A. m, k, M, g, da
B. g ,m ,k , d, μ
C. g, k, di, m, μ, n
D. M, k, da, d, c - Answers -D. M, k, da, d, c
Match the following prefixes with their meanings.
A. mega
B. hecto
C. milli
D. kilo
E. nano
F. giga - Answers -mega: millions
hecto: hundreds
milli: thousandths
kilo: thousands
nano: billionths
giga: billions
What term is used to describe the effects on an ultrasound wave on living tissues?
A. Toxic effects
B. Acoustic propagation properties
C. Biological effects
D. transmission properties - Answers -C. Biological effects
As sound travels through a medium, what term describes the effects of the medium on
the sound wave?
A. toxic effects
B. Acoustic propagation properties
C. Bioeffects
D. Transmission properties - Answers -B. Acoustic propagation properties
Which of the following types of waves do not require a medium in order to propagate?
(more than one answer may be correct)
A. Light
B. Heat
,C. Sound
D. Television - Answers -A. Light
B. Heat
D. Television
Which of the following describes characteristics of a sound wave?
A. Longitudinal, non-mechanical
B. Mechanical, transverse
C. Transverse, acoustic
D. Mechanical, longitudinal - Answers -D. Mechanical, longitudinal
Sound is described as ______________.
A. A series of compressions and rarefactions
B. A transverse wave
C. A wave that humans can hear
D. An oblique displacement of acoustic energy - Answers -A. A series of compressions
and rarefactions
All of the following are true about sound waves except _________.
A. They are mechanical
B. They are transverse
C. They carry energy form place to place
D. They generally travel in a straight line - Answers -B. They are transverse
What are acoustic variables? - Answers -Pressure
Density
Particle Motion (Distance)
What are the acoustic parameters? - Answers -Period
Frequency
Wavelength
Power
Intensity
Amplitude
Propagation speed
What are the units of a pressure measurement of an acoustic wave?
A. Atmosphere (atm)
B. Pascals (Pa)
C. Millimeters of mercury (mmHg)
D. Pounds/square inch (lb/in^2)
E. All of the above - Answers -E. All of the above
Sound can be characterized as:
A. Energy flowing through a vacuum
B. A variable
, C. Cyclical oscillations in certain variables
D. A principle of acoustics - Answers -C. Cyclical oscillations in certain variables
What are the units of pressure? - Answers -Atmosphere (atm)
Pascals (Pa)
Millimeters of mercury (mmHg)
Pounds/square inch (lb/in^2)
What are the units of density? - Answers -Mass/volume:
lb/in^3
kg/m^3
What are the units of particle motion? - Answers -Distance:
Miles
cm
A force is applied to a surface. If the force is tripled and the surface area over which the
force is applied is also tripled, what is the new pressure?
A. Three times larger than to original
B. One third of the original
C. Six times more than the original
D. Unchanged - Answers -D. Unchanged
The direction of motion of a particle in a wave is perpendicular to the direction of
propagation of the wave. What type of wave is this?
A. Longitudinal
B. Acoustic
C. Mechanical
D. Transverse - Answers -D. Transverse
A particle within a transverse wave is traveling vertically. What is the direction the
wave's propagation?
A. Horizontal
B. Vertical
C. Diagonal; both horizontal and vertical
D. Cannot be determined - Answers -A. Horizontal
Waves that exist at the same location and time will combine. What is this called?
A. inference
B. Rarefaction
C. Interference
D. Longitudinal interaction - Answers -C. Interference
Two waves arrive at the same location and interfere. The resultant sound wave is
smaller than either of the two original waves. What is this called?
A. Constructive interference
VERIFIED ACCURATE ANSWERS
What is the vertical axis of a graph called?
A. Z-axis
B. X-axis
C. Y-axis
D. Time-axis - Answers -C. Y-axis
What is the name of the horizontal axis of a graph?
A. Z-axis
B. X-axis
C. Y-axis
D. Red axis - Answers -B. X-axis
What is the reciprocal of 5?
A. One-hundredth
B. 5
C. 1/5
D. One-millionth - Answers -C. 1/5
What is the reciprocal of 1/10?
A. One-hundredth
B. 10
C. 1/10
D. One-millionth - Answers -B. 10
Which of the following is not a measure of area?
A. Square cm
B. Meters squared
C. Cubic meters
D. Feet x feet - Answers -C. Cubic meters
The volume of a cystic structure is estimated from sonographic data. Which of the
following is an acceptable measurement of volume?
A. 6
B. 6 cm
C. 6 cm^2
D. 6 cm^3 - Answers -D. 6 cm^3
Select the sequence that appear in increasing order.
A. mega, kilo, hecto, milli, giga
B. nano, milli, micro, deci, deca, mega
,C. centi, deci, deca, hecto
D. milli, hecto, centi, deci, nano, giga - Answers -C. centi, deci, deca, hecto
How many nanoseconds are in 7 seconds?
A. 7,000,000
B. 7,000,000,000
C. 7 million
D. 0.00000007 - Answers -B. 7,000,000,000
The letters below represent the abbreviations for the prefixes of the metric system.
Select the sequence that appears in decreasing order.
A. m, k, M, g, da
B. g ,m ,k , d, μ
C. g, k, di, m, μ, n
D. M, k, da, d, c - Answers -D. M, k, da, d, c
Match the following prefixes with their meanings.
A. mega
B. hecto
C. milli
D. kilo
E. nano
F. giga - Answers -mega: millions
hecto: hundreds
milli: thousandths
kilo: thousands
nano: billionths
giga: billions
What term is used to describe the effects on an ultrasound wave on living tissues?
A. Toxic effects
B. Acoustic propagation properties
C. Biological effects
D. transmission properties - Answers -C. Biological effects
As sound travels through a medium, what term describes the effects of the medium on
the sound wave?
A. toxic effects
B. Acoustic propagation properties
C. Bioeffects
D. Transmission properties - Answers -B. Acoustic propagation properties
Which of the following types of waves do not require a medium in order to propagate?
(more than one answer may be correct)
A. Light
B. Heat
,C. Sound
D. Television - Answers -A. Light
B. Heat
D. Television
Which of the following describes characteristics of a sound wave?
A. Longitudinal, non-mechanical
B. Mechanical, transverse
C. Transverse, acoustic
D. Mechanical, longitudinal - Answers -D. Mechanical, longitudinal
Sound is described as ______________.
A. A series of compressions and rarefactions
B. A transverse wave
C. A wave that humans can hear
D. An oblique displacement of acoustic energy - Answers -A. A series of compressions
and rarefactions
All of the following are true about sound waves except _________.
A. They are mechanical
B. They are transverse
C. They carry energy form place to place
D. They generally travel in a straight line - Answers -B. They are transverse
What are acoustic variables? - Answers -Pressure
Density
Particle Motion (Distance)
What are the acoustic parameters? - Answers -Period
Frequency
Wavelength
Power
Intensity
Amplitude
Propagation speed
What are the units of a pressure measurement of an acoustic wave?
A. Atmosphere (atm)
B. Pascals (Pa)
C. Millimeters of mercury (mmHg)
D. Pounds/square inch (lb/in^2)
E. All of the above - Answers -E. All of the above
Sound can be characterized as:
A. Energy flowing through a vacuum
B. A variable
, C. Cyclical oscillations in certain variables
D. A principle of acoustics - Answers -C. Cyclical oscillations in certain variables
What are the units of pressure? - Answers -Atmosphere (atm)
Pascals (Pa)
Millimeters of mercury (mmHg)
Pounds/square inch (lb/in^2)
What are the units of density? - Answers -Mass/volume:
lb/in^3
kg/m^3
What are the units of particle motion? - Answers -Distance:
Miles
cm
A force is applied to a surface. If the force is tripled and the surface area over which the
force is applied is also tripled, what is the new pressure?
A. Three times larger than to original
B. One third of the original
C. Six times more than the original
D. Unchanged - Answers -D. Unchanged
The direction of motion of a particle in a wave is perpendicular to the direction of
propagation of the wave. What type of wave is this?
A. Longitudinal
B. Acoustic
C. Mechanical
D. Transverse - Answers -D. Transverse
A particle within a transverse wave is traveling vertically. What is the direction the
wave's propagation?
A. Horizontal
B. Vertical
C. Diagonal; both horizontal and vertical
D. Cannot be determined - Answers -A. Horizontal
Waves that exist at the same location and time will combine. What is this called?
A. inference
B. Rarefaction
C. Interference
D. Longitudinal interaction - Answers -C. Interference
Two waves arrive at the same location and interfere. The resultant sound wave is
smaller than either of the two original waves. What is this called?
A. Constructive interference
