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2024 DAVIES SPI REVIEW EXAM WITH CORRECT DETAILED AND VERIFIED SOLUTIONS / 100% CORRECT ANSWERS
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2024 DAVIES SPI REVIEW EXAM WITH CORRECT DETAILED AND VERIFIED SOLUTIONS / 100% CORRECT ANSWERS
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2024 DAVIES SPI REVIEW EXAMWITH CORRECT DETAILED AND
VERIFIED SOLUTIONS / 100%
CORRECT ANSWERS
What action below would be most in keeping with the ALARA principle while
performing a diagnostic ultrasound examination?
A: Allow multiple students to scan an obstetrical patient because the fetus is
in a good position for imaging.
B: Prolong the sonogram to make videos of the fetus for each family
member.
C: Complete the diagnostic scan in a timely fashion at the lowest output
power that achieves a quality image.
D: Maximize the acoustic output to brighten the overall image.
E: Extend the sonogram beyond the intended scope of the exam requisition.
- CORRECT-ANSWERSC: Complete the diagnostic scan in a timely fashion at
the lowest output power that achieves a quality image.
Which of the following minimizes the degree to which beam width varies with
depth?
A: Apodization
B: Dynamic aperture
C: Coprocessing
D: Rectification
E: Frame averaging - CORRECT-ANSWERSB: Dynamic aperture
Which of the following minimizes the degree to which beam width varies with
depth?
A: Apodization
B: Dynamic aperture
C: Coprocessing
D: Rectification
E: Frame averaging - CORRECT-ANSWERSB: Dynamic aperture
The sound beam can be focused by all of the following except:
A: Acoustic mirror
B: Acoustic lens
C: Curved crystal
D: Matching layer
,E: Electronic phasing - CORRECT-ANSWERSD: Matching layer
The sound beam can be focused by all of the following except:
A: Acoustic mirror
B: Acoustic lens
C: Curved crystal
D: Matching layer
E: Electronic phasing - CORRECT-ANSWERSD: Matching layer
What type of focusing decreases the frame rate?
A: Mechanical focusing
B: Dynamic receive focusing
C: Dynamic aperture focusing
D: Multiple transmit focusing
E: Curved crystal focusing - CORRECT-ANSWERSD: Multiple transmit focusing
What type of focusing decreases the frame rate?
A: Mechanical focusing
B: Dynamic receive focusing
C: Dynamic aperture focusing
D: Multiple transmit focusing
E: Curved crystal focusing - CORRECT-ANSWERSD: Multiple transmit focusing
For a single transducer to offer multiple frequency selections for scanning, it
must have:
A: Large dynamic range
B: Wide bandwidth
C: Multiple rows of elements in the elevational plane
D: Dynamic aperture
E: Electronic steering capability - CORRECT-ANSWERSB: Wide bandwidth
For a single transducer to offer multiple frequency selections for scanning, it
must have:
A: Large dynamic range
B: Wide bandwidth
C: Multiple rows of elements in the elevational plane
D: Dynamic aperture
E: Electronic steering capability - CORRECT-ANSWERSB: Wide bandwidth
The ability to distinguish between adjacent structures that produce echoes of
similar amplitude is termed:
A: Spatial resolution
B: Axial resolution
C: Lateral resolution
D: Temporal resolution
E: Contrast resolution - CORRECT-ANSWERSE: Contrast resolution
,The ability to distinguish between adjacent structures that produce echoes of
similar amplitude is termed:
A: Spatial resolution
B: Axial resolution
C: Lateral resolution
D: Temporal resolution
E: Contrast resolution - CORRECT-ANSWERSE: Contrast resolution
When you increase the scan line density in the B-mode image, you improve:
A: Temporal resolution
B: Contrast resolution
C: Slice thickness
D: Axial resolution
E: Lateral resolution - CORRECT-ANSWERSE: Lateral resolution
When you increase the scan line density in the B-mode image, you improve:
A: Temporal resolution
B: Contrast resolution
C: Slice thickness
D: Axial resolution
E: Lateral resolution - CORRECT-ANSWERSE: Lateral resolution
The conversion of an incident pressure wave to an electrical signal is the:
A: Curie effect
B: Piezoelectric effect
C: Doppler effect
D: Snell effect
E: Huygen's effect - CORRECT-ANSWERSB: Piezoelectric effect
The conversion of an incident pressure wave to an electrical signal is the:
A: Curie effect
B: Piezoelectric effect
C: Doppler effect
D: Snell effect
E: Huygen's effect - CORRECT-ANSWERSB: Piezoelectric effect
Electronic focusing in the transmit mode is accomplished using:
A: Curved crystal elements
B: Changeable lens
C: Time delays to excite transducer elements
D: High pulse repetition frequency
E: Receive time delays - CORRECT-ANSWERSC: Time delays to excite
transducer elements
, What action below would be most in keeping with the ALARA principle while
performing a diagnostic ultrasound examination?
A: Allow multiple students to scan an obstetrical patient because the fetus is
in a good position for imaging.
B: Prolong the sonogram to make videos of the fetus for each family
member.
C: Complete the diagnostic scan in a timely fashion at the lowest output
power that achieves a quality image.
D: Maximize the acoustic output to brighten the overall image.
E: Extend the sonogram beyond the intended scope of the exam requisition.
- CORRECT-ANSWERSC: Complete the diagnostic scan in a timely fashion at
the lowest output power that achieves a quality image.
What does the ALARA principle stand for? - CORRECT-ANSWERSAs Low As
Reasonable Achievable
What does the ALARA principle stand for? - CORRECT-ANSWERSAs Low As
Reasonable Achievable
During performance of an obstetrical ultrasound exam you adjust the system
parameters to improve the image. Which of the following parameters would
increase acoustic exposure?
A: Increase gain
B: Increase TGC
C: Increase frequency
D: Increase transmit power
E: Increase frame averaging - CORRECT-ANSWERSD: Increase transmit power
During performance of an obstetrical ultrasound exam you adjust the system
parameters to improve the image. Which of the following parameters would
increase acoustic exposure?
A: Increase gain
B: Increase TGC
C: Increase frequency
D: Increase transmit power
E: Increase frame averaging - CORRECT-ANSWERSD: Increase transmit power
While performing a sonogram to minimize risk to the fetus which imaging
mode trade off would be most applicable?
A: Use M-mode instead of pulsed-wave Doppler to measure the fetal heart
rate.
B: Use color Doppler instead of power Doppler to image the umbilical cord.
C: Use pulsed-wave Doppler instead of power Doppler to evaluate the fetal
heart.
D: Use harmonics instead of fundamental to image the fetal spine.
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