1|Page
EDELMAN SPI EXAM NEWEST 2026 ACTUAL EXAM WITH COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS (100% VERIFIED
ANSWERS) |ALREADY GRADED A+| ||PROFESSOR VERIFIED||
Compare the two sound waves, A and B. The frequency of wave A
is one-third that of wave B. How does the period of wave A
compare with the period of wave B?
a) A is 1/3 as long as B
b) A is the same as wave B
c) A is 3x as long as B
d) cannot be determined - ANSWER-c) A is 3x as long as B
_____________ is the reciprocal of period.
a) inverse period
b) pulse repetition period
c) frequency
d) propagation period - ANSWER-c) frequency
What determines the initial amplitude of an ultrasound wave?
a) the transducer
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b) the medium through which sound travels
c) both A and B
d) neither choice A nor B - ANSWER-a) the transducer
True or False? With standard diagnostic imaging instrumentation,
the sonographer has the ability to vary the amplitude of a sound
wave produced by a transducer. - ANSWER-True.
As an ultrasound wave travels through the body, its amplitude
usually:
a) decreases
b) increases
c) remains the same
d) cannot be determined - ANSWER-a) decreases
Which of the following are acceptable units for the amplitude of an
acoustic wave? (more than one answer may be correct)
a) cm
b) pascals
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c) gauss
d) watts - ANSWER-a) cm and b) pascals
The maximum value densisty of an acoustic wave is 60lb/in^2
while the minimum density is 20lb/in^2. What is the amplitude of
the wave?
a) 20 lb/in^2
b) 40 lb/in^2
c) 60 lb/i^2
d) none of the above - ANSWER-a) 20 lb/in^2
The power of an ultrasound wave can be reported with which of
the following units?
a) watts/square cm
b) dB/cm
c) watts
d) kg/cm^2 - ANSWER-c) watts
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Typically, as an ultrasound wave travels through soft tissue, the
power of the wave:
a) decreases
b) increases
c) remains the same - ANSWER-a) decreases
True or False? A sonographer can routinely change the power of
a wave emitted by a transducer used in diagnostic ultrasonic
imaging. - ANSWER-True.
Mathematically, when a number is squared, the number is
multiplied by:
a) 2
b) 0.5
c) itself
d) 1.5 - ANSWER-c) itself
The final amplitude of an acoustic wave is reduced to one-half of
its original value. The final power is ___________ the original
power.
EDELMAN SPI EXAM NEWEST 2026 ACTUAL EXAM WITH COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS (100% VERIFIED
ANSWERS) |ALREADY GRADED A+| ||PROFESSOR VERIFIED||
Compare the two sound waves, A and B. The frequency of wave A
is one-third that of wave B. How does the period of wave A
compare with the period of wave B?
a) A is 1/3 as long as B
b) A is the same as wave B
c) A is 3x as long as B
d) cannot be determined - ANSWER-c) A is 3x as long as B
_____________ is the reciprocal of period.
a) inverse period
b) pulse repetition period
c) frequency
d) propagation period - ANSWER-c) frequency
What determines the initial amplitude of an ultrasound wave?
a) the transducer
,2|Page
b) the medium through which sound travels
c) both A and B
d) neither choice A nor B - ANSWER-a) the transducer
True or False? With standard diagnostic imaging instrumentation,
the sonographer has the ability to vary the amplitude of a sound
wave produced by a transducer. - ANSWER-True.
As an ultrasound wave travels through the body, its amplitude
usually:
a) decreases
b) increases
c) remains the same
d) cannot be determined - ANSWER-a) decreases
Which of the following are acceptable units for the amplitude of an
acoustic wave? (more than one answer may be correct)
a) cm
b) pascals
,3|Page
c) gauss
d) watts - ANSWER-a) cm and b) pascals
The maximum value densisty of an acoustic wave is 60lb/in^2
while the minimum density is 20lb/in^2. What is the amplitude of
the wave?
a) 20 lb/in^2
b) 40 lb/in^2
c) 60 lb/i^2
d) none of the above - ANSWER-a) 20 lb/in^2
The power of an ultrasound wave can be reported with which of
the following units?
a) watts/square cm
b) dB/cm
c) watts
d) kg/cm^2 - ANSWER-c) watts
, 4|Page
Typically, as an ultrasound wave travels through soft tissue, the
power of the wave:
a) decreases
b) increases
c) remains the same - ANSWER-a) decreases
True or False? A sonographer can routinely change the power of
a wave emitted by a transducer used in diagnostic ultrasonic
imaging. - ANSWER-True.
Mathematically, when a number is squared, the number is
multiplied by:
a) 2
b) 0.5
c) itself
d) 1.5 - ANSWER-c) itself
The final amplitude of an acoustic wave is reduced to one-half of
its original value. The final power is ___________ the original
power.
