SPI
SPI Practice
Practice (ARDMSAA&&B)B)Actual exam 2026/2027
(ARDMS
Study online at https://quizlet.com/_86gvlc
Questions with Detailed Verified Answers / Already Graded A+
1. C What is dynamic aperture?
A.aperture that varies with transmit frequency
B.aperture that decreases as a function of time
C.aperture that increases with increasing focal length
D.aperture that changes as a function of frame rate
2. A to which acoustic variable is penetration depth inversely related?
A.frequency
B.wavelength
C.period
D.propagation speed
3. B which imaging mode requires a broadband transducer?
A.continuous wave doppler
B.Pulsed wave doppler
C.color flow imaging
D.harmonic imaging
4. B 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 re-
ceived ultrasound frequency
C.sum of the transmitted and received ultrasound frequencies
D.ratio of the transmitted ultrasound frequency to the received ultrasound
frequency
5. A what is the potential effect of increasing the pulse repetition frequen-
cy(PRF)?
A.Depth ambiguity
B.Decreased frame rate
, SPI Practice (ARDMS A & B)
Study online at https://quizlet.com/_86gvlc
C.Poor spatial resolution
D.Decreased penetration
6. B what is an advantage of using pulsed wave doppler compared to contin-
uous wave doppler?
A.higher echo sensitivity
B.ability to select sample depth
C.decreased display of aliasing
D.improved temporal resolution
7. D what affects the beam width in the near field?
A.Pulse repetition frequency
B.Pulse duration
C.Frame rate
D.Transducer aperture
8. D what is the advantage of using pulsed-wave doppler versus continu-
ous-wave doppler?
A.allows measurement of higher velocities
B.increases range ambiguity
C.reduces the potential for aliasing
D.provides depth specificity
9. D which parameter is target group C evaluating based on the image?
A.dead zone
B.dynamic range
C.axial resolution
D.Horizontal distance accuracy
, SPI Practice (ARDMS A & B)
Study online at https://quizlet.com/_86gvlc
10. A In this image, which target group is used to evaluate dead zone?
11. C which ultrasound parameter directly affects an ultrasound beam's inten-
sity?
A.TGC
B.operating frequency
C.Output power
D.Frame rate
12. D the center frequency of a transducer depends primarily upon which
characteristics of the crystal?
A.width
B.length
C.spacing
D.thickness
13. C which factor limits image frame rate?
A.transducer operating frequency
B.Sample volume size
C.Speed of sound in tissue
D.Spatial pulse length
14. A when using a 5MHZ transducer, in which tissue is the ultrasound wave-
length shortest?
A.fat
B.blood
SPI Practice
Practice (ARDMSAA&&B)B)Actual exam 2026/2027
(ARDMS
Study online at https://quizlet.com/_86gvlc
Questions with Detailed Verified Answers / Already Graded A+
1. C What is dynamic aperture?
A.aperture that varies with transmit frequency
B.aperture that decreases as a function of time
C.aperture that increases with increasing focal length
D.aperture that changes as a function of frame rate
2. A to which acoustic variable is penetration depth inversely related?
A.frequency
B.wavelength
C.period
D.propagation speed
3. B which imaging mode requires a broadband transducer?
A.continuous wave doppler
B.Pulsed wave doppler
C.color flow imaging
D.harmonic imaging
4. B 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 re-
ceived ultrasound frequency
C.sum of the transmitted and received ultrasound frequencies
D.ratio of the transmitted ultrasound frequency to the received ultrasound
frequency
5. A what is the potential effect of increasing the pulse repetition frequen-
cy(PRF)?
A.Depth ambiguity
B.Decreased frame rate
, SPI Practice (ARDMS A & B)
Study online at https://quizlet.com/_86gvlc
C.Poor spatial resolution
D.Decreased penetration
6. B what is an advantage of using pulsed wave doppler compared to contin-
uous wave doppler?
A.higher echo sensitivity
B.ability to select sample depth
C.decreased display of aliasing
D.improved temporal resolution
7. D what affects the beam width in the near field?
A.Pulse repetition frequency
B.Pulse duration
C.Frame rate
D.Transducer aperture
8. D what is the advantage of using pulsed-wave doppler versus continu-
ous-wave doppler?
A.allows measurement of higher velocities
B.increases range ambiguity
C.reduces the potential for aliasing
D.provides depth specificity
9. D which parameter is target group C evaluating based on the image?
A.dead zone
B.dynamic range
C.axial resolution
D.Horizontal distance accuracy
, SPI Practice (ARDMS A & B)
Study online at https://quizlet.com/_86gvlc
10. A In this image, which target group is used to evaluate dead zone?
11. C which ultrasound parameter directly affects an ultrasound beam's inten-
sity?
A.TGC
B.operating frequency
C.Output power
D.Frame rate
12. D the center frequency of a transducer depends primarily upon which
characteristics of the crystal?
A.width
B.length
C.spacing
D.thickness
13. C which factor limits image frame rate?
A.transducer operating frequency
B.Sample volume size
C.Speed of sound in tissue
D.Spatial pulse length
14. A when using a 5MHZ transducer, in which tissue is the ultrasound wave-
length shortest?
A.fat
B.blood
