SPI (ARDMS A & B) PRACTICE EXAM (ACTUAL QUESTIONS AND ANSWERS)

SPI (ARDMS A & B) PRACTICE
EXAM 2024-2025 (ACTUAL
QUESTIONS AND ANSWERS)

C ÖÖ
What is dynamic aperture?
A.aperture that varies with transmit frequency
b.aperture that decreases as a func:on of :me
c.aperture that increases with increasing focal length
d.aperture that changes as a func:on of frame rate


AÖÖ
To which acous:c variable is penetra:on depth inversely related?
A.frequency
b.wavelength
c.period
d.propaga:on speed


BÖÖ
Which imaging mode requires a broadband transducer?
A.con:nuous wave doppler
b.pulsed wave doppler
c.color flow imaging
d.harmonic imaging
BÖÖ

,What is the doppler shiA frequency?
A.recieved ultrasound frequency mul:plied by the transmiBed ultrasound
frequency
b.difference between the transmiBed ultrasound frequency and the received
ultrasound frequency
c.sum of the transmiBed and received ultrasound frequencies
d.ra:o of the transmiBed ultrasound frequency to the received ultrasound
frequency
AÖÖ
What is the poten:al effect of increasing the pulse repe::on frequency(prf)?
A.depth ambiguity
b.decreased frame rate
c.poor spa:al resolu:on
d.decreased penetra:on
BÖÖ
What is an advantage of using pulsed wave doppler compared to con:nuous
wave doppler?
A.higher echo sensi:vity
b.ability to select sample depth
c.decreased display of aliasing
d.improved temporal resolu:on
DÖÖ
What affects the beam width in the near field?
A.pulse repe::on frequency
b.pulse dura:on
c.frame rate
d.transducer aperture

, DÖÖ
What is the advantage of using pulsed-wave doppler versus con:nuous-wave
doppler?
A.allows measurement of higher veloci:es
b.increases range ambiguity
c.reduces the poten:al for aliasing
d.provides depth specificity
DÖÖ
Which parameter is target group c evalua:ng based on the image?
A.dead zone
b.dynamic range
c.axial resolu:on
d.horizontal distance accuracy




AÖÖ
In this image, which target group is used to evaluate dead zone?




CÖÖ
Which ultrasound parameter directly affects an ultrasound beam's intensity?
A.tgc