ARDMS SPI Exam |Questions and Verified Answers| 100% Correct| Grade A (Latest 2023/ 2024 Update)

ARDMS SPI Exam |Questions and Verified

Answers| 100% Correct| Grade A (Latest

2023/ 2024 Update)

Q: what does coded excitation improve in addition to penetration? A. lateral resolution

B. signal-to-noise ratio C. frame rate D. dynamic range

Answer:

B

Q: how is lateral resolution determined for a pulsed-echo system using a tissue-mimicking test

object?

A. by observing spaces between reflectors perpendicular to the beam

B. by observing spaces between reflectors along the beam path

C. by observing position of deepest visible reflector along the beam path

D. by observing position of deepest visible reflector perpendicular to the beam path

Answer:

A

Q: which variable caused the color change from blue to red of the vessel in this image?

A. change in vessel direction B. color scale set to low C. turbulent flow

D. severe stenosis

Answer:

A

Q: which artifact is indicated by the arrows in this image? A. shadow produced by the

diaphragm

B. acoustic enhancement

C. comet tail

D. mirror image

Answer:

C

Q: which control improves the effects of attenuation? A. dynamic range

B. pulse inversion

C. multiple focal zones

D. time gain compensation

Answer:

D

Q: which doppler angle to flow results in the greatest absolute doppler shift? A. 0 degrees

B. 15 degrees C. 45 degrees D. 60 degrees

Answer:

A

Q: what term describes blood flow changes in response to respiration? A. phasic

B. parabolic C. spontaneous D. pulsatile

Answer:

A

Q: an increase in which parameter will improve the accuracy of velocity measurements with

autocorrelation?

A. color field of view

B. packet size C. wall filtering D. transmitted frequency

Answer:

B

Q: which harmonic imaging, how does echo frequency relate to transmitted frequency?

A. half the transmitted frequency B. equal to the transmitted frequency C. twice the transmitted

frequency

D. four times the transmitted frequency

Answer:

C

Q: Which change would minimize the artifact observed in this image, assum- ing the pulse

repetition frequency is at its maximum limit?

A. adjust the sweep speed B. adjust the baseline C. increasing dynamic range

D. increasing the transmitted frequency

Answer:

B

Q: which parameter is most likely to affect spatial resolution? A. dynamic range

B. beam width C. system sensitivity D. depth of visualization

Answer:

D

Q: which imaging modality can provide the most accurate measurement of tumor volume?

A. color doppler

B. B-mode

C. A-mode

D. M-mode

Answer:

B

Q: according to ALARA (as low as reasonably achievable) guidelines, which parameter should

be minimized?

A. transmit power

B. frequency