1|Page
EDELMAN SPI EXAM LATEST 2026-2027 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
When the power in an acoustic beam is doubled and the cross-
sectional area of the beam is halved, then the intensity of the
beam is:
a) doubled
b) halved
c) quartered
d) four-times larger - ANSWER-d) four-times larger
What happens to the intensity of an ultrasound beam when the
beam's cross-sectional area remains unchanged while the
amplitude of the wave triples?
a) it triples
b) increases ninefold
c) remains the same
d) none of the above - ANSWER-b) it increases ninefold
,2|Page
If the power of the beam is tripled while the cross-sectional area
of the beam remains the same, the intensity _____________.
a) triples
b) increases ninefold
c) remains the same
d) none of the above - ANSWER-a) triples
The amplitude of an acoustic wave is increased. Which of the
following will most likely remain unchanged? (more than one
answer may be correct)
a) power
b) frequency
c) period
d) intensity - ANSWER-b) frequency & c) period
A sonographer adjusts the output power of the wave emitted by
the transducer. Which of the following also changes? (more than
one answer may be correct)
a) pulse repetition period
,3|Page
b) PRF
c) propagation speed
d) intensity - ANSWER-d) intensity
The wavelength of a cycle in an ultrasound wave can be reported
with which units?
a) units of time (sec, min, etc.)
b) units of distance (feet, etc.)
c) units of area (m^2, etc.)
d) mm only - ANSWER-b) units of distance
True or False? The sonographer alters the duty cycle when
adjusting the maximum imaging depth of a scan. - ANSWER-
True.
True or False? The duty factor is a characteristic of an ultrasound
and transducer system and does not change as long as the
system components remain unchanged. - ANSWER-False.
, 4|Page
The duty cycle changes when the sonographer adjusts the
maximum imaging depth during the exam.
While using the same ultrasound machine and transducer, which
of the following can a sonographer alter? (more than one answer
may be correct)
a) pulse repetition period
b) PRF
c) frequency
d) duty cycle
e) pulse duration - ANSWER-a) PRP
b) PRF
d) duty cycle
Which of the following terms does not belong with the others?
a) increased depth of view
b) increased duty factor
c) increased pulse repetition period
EDELMAN SPI EXAM LATEST 2026-2027 ACTUAL EXAM WITH
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100%
VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
When the power in an acoustic beam is doubled and the cross-
sectional area of the beam is halved, then the intensity of the
beam is:
a) doubled
b) halved
c) quartered
d) four-times larger - ANSWER-d) four-times larger
What happens to the intensity of an ultrasound beam when the
beam's cross-sectional area remains unchanged while the
amplitude of the wave triples?
a) it triples
b) increases ninefold
c) remains the same
d) none of the above - ANSWER-b) it increases ninefold
,2|Page
If the power of the beam is tripled while the cross-sectional area
of the beam remains the same, the intensity _____________.
a) triples
b) increases ninefold
c) remains the same
d) none of the above - ANSWER-a) triples
The amplitude of an acoustic wave is increased. Which of the
following will most likely remain unchanged? (more than one
answer may be correct)
a) power
b) frequency
c) period
d) intensity - ANSWER-b) frequency & c) period
A sonographer adjusts the output power of the wave emitted by
the transducer. Which of the following also changes? (more than
one answer may be correct)
a) pulse repetition period
,3|Page
b) PRF
c) propagation speed
d) intensity - ANSWER-d) intensity
The wavelength of a cycle in an ultrasound wave can be reported
with which units?
a) units of time (sec, min, etc.)
b) units of distance (feet, etc.)
c) units of area (m^2, etc.)
d) mm only - ANSWER-b) units of distance
True or False? The sonographer alters the duty cycle when
adjusting the maximum imaging depth of a scan. - ANSWER-
True.
True or False? The duty factor is a characteristic of an ultrasound
and transducer system and does not change as long as the
system components remain unchanged. - ANSWER-False.
, 4|Page
The duty cycle changes when the sonographer adjusts the
maximum imaging depth during the exam.
While using the same ultrasound machine and transducer, which
of the following can a sonographer alter? (more than one answer
may be correct)
a) pulse repetition period
b) PRF
c) frequency
d) duty cycle
e) pulse duration - ANSWER-a) PRP
b) PRF
d) duty cycle
Which of the following terms does not belong with the others?
a) increased depth of view
b) increased duty factor
c) increased pulse repetition period
