2024 SPI ARDMS A & B PRACTICE
EXAM WITH CORRECT ANSWERS
to which acoustic variable is penetration depth inversely related?
A.frequency
B.wavelength
C.period
D.propagation speed - CORRECT-ANSWERSA
what is the doppler shift frequency?
A.recieved ultrasound frequency multiplied by the transmitted ultrasound
frequency
B.difference between the transmitted ultrasound frequency and the received
ultrasound frequency
C.sum of the transmitted and received ultrasound frequencies
D.ratio of the transmitted ultrasound frequency to the received ultrasound
frequency - CORRECT-ANSWERSB
which technique increases the sharpness of high contrast boundaries?
a) Edge enhancement
b) Interpolation
c) Smoothing
d) Frame averaging - CORRECT-ANSWERSA
which setting of an ultrasound system gives the sonographer the ability to
display both strong and week echoes?
a) Dynamic range
b) Resolution
c) Range calibration
d) Sensitivity - CORRECT-ANSWERSA
a sound wave propagates fastest through which substance?
a) Bone
b) Muscle
c) Fat
d) Gas - CORRECT-ANSWERSA
when the focal point in a B-mode image is electronically changed, which type
of focusing is in use?
a) Lens
b) Mechanical
c) Dynamic
, d) Curved crystal - CORRECT-ANSWERSC
when a fluid is flowing at a slow and constant rate within a long tube having
a uniform diameter, what is the nature of the flow?
a) Disturbed
b) Turbulent
c) Laminar
d) Pulsatile - CORRECT-ANSWERSC
what causes range ambiguity artifacts?
a) Receiver overload
b) Pulser overload
c) PRF too high
d) PRF too low - CORRECT-ANSWERSC
what is the round trip time in soft tissue for an echo from a reflector at a
depth of 1 cm?
a) 1.54 usec
b) 6.5 usec
c)13 usec
d) 26 usec - CORRECT-ANSWERSC
which variable decreases when the number of acoustic lines per frame is
increased without changing its maximum depth?
a) SPL
b) Frame rate
c) PRF
d) Receiver dynamic range - CORRECT-ANSWERSB
frequency compounding improves image quality by doing what?
a) Increasing frame rate
b) Improving dynamic range
c) Reducing speckle
d) Reducing grading lobes - CORRECT-ANSWERSC
what is the cause of the black region in the center of the vessel seen in this
image?
a) Aliasing
b) Turbulence
c) Incident angle
d) Lack of blood flow at that location - CORRECT-ANSWERSC
what is increased if the pulse duration is decreased?
a) Bandwidth
b) Line Density
c) Frame Rate
EXAM WITH CORRECT ANSWERS
to which acoustic variable is penetration depth inversely related?
A.frequency
B.wavelength
C.period
D.propagation speed - CORRECT-ANSWERSA
what is the doppler shift frequency?
A.recieved ultrasound frequency multiplied by the transmitted ultrasound
frequency
B.difference between the transmitted ultrasound frequency and the received
ultrasound frequency
C.sum of the transmitted and received ultrasound frequencies
D.ratio of the transmitted ultrasound frequency to the received ultrasound
frequency - CORRECT-ANSWERSB
which technique increases the sharpness of high contrast boundaries?
a) Edge enhancement
b) Interpolation
c) Smoothing
d) Frame averaging - CORRECT-ANSWERSA
which setting of an ultrasound system gives the sonographer the ability to
display both strong and week echoes?
a) Dynamic range
b) Resolution
c) Range calibration
d) Sensitivity - CORRECT-ANSWERSA
a sound wave propagates fastest through which substance?
a) Bone
b) Muscle
c) Fat
d) Gas - CORRECT-ANSWERSA
when the focal point in a B-mode image is electronically changed, which type
of focusing is in use?
a) Lens
b) Mechanical
c) Dynamic
, d) Curved crystal - CORRECT-ANSWERSC
when a fluid is flowing at a slow and constant rate within a long tube having
a uniform diameter, what is the nature of the flow?
a) Disturbed
b) Turbulent
c) Laminar
d) Pulsatile - CORRECT-ANSWERSC
what causes range ambiguity artifacts?
a) Receiver overload
b) Pulser overload
c) PRF too high
d) PRF too low - CORRECT-ANSWERSC
what is the round trip time in soft tissue for an echo from a reflector at a
depth of 1 cm?
a) 1.54 usec
b) 6.5 usec
c)13 usec
d) 26 usec - CORRECT-ANSWERSC
which variable decreases when the number of acoustic lines per frame is
increased without changing its maximum depth?
a) SPL
b) Frame rate
c) PRF
d) Receiver dynamic range - CORRECT-ANSWERSB
frequency compounding improves image quality by doing what?
a) Increasing frame rate
b) Improving dynamic range
c) Reducing speckle
d) Reducing grading lobes - CORRECT-ANSWERSC
what is the cause of the black region in the center of the vessel seen in this
image?
a) Aliasing
b) Turbulence
c) Incident angle
d) Lack of blood flow at that location - CORRECT-ANSWERSC
what is increased if the pulse duration is decreased?
a) Bandwidth
b) Line Density
c) Frame Rate
