Page 1 of 275
Davies Ultrasound Physics exam
review ALL 600 QUESTIONS AND
VERIFIED SOLUTIONS LATEST
UPDATE THIS YEAR
QUESTION: A study designed to determine if there is an association between an adverse effect
in a population and exposure to a particular agent is a(n):
A: Case report
B: Epidemiological study
C: In vitro study
D: In vivo study
E: Single-incident investigation - ANSWER-B: Epidemiological study
QUESTION: Which of the following actions is NOT compliant with HIPAA?
A: Cropping all patient identifiers from images used for teaching purposes.
B: Refraining from disclosing patient health information without proper authorization.
C: Reviewing your neighbors medical studies on your hospital PACS system so you can give her
your opinion of her condition.
1
, Page 2 of 275
D: Covering your daily requisition list so that the names are not visible to patients and visitors.
E: All of these actions are compliant with HIPAA. - ANSWER-C: Reviewing your neighbors
medical studies on your hospital PACS system so you can give her your opinion of her condition.
QUESTION: What does mechanical index indicate on an ultrasound system?
A: The maximum temperature increase in tissue
B: The minimum temperature increase in tissue
C: Acoustic power in milliwatts
D: The likelihood of cavitation during an ultrasound exam
E: Minutes of exposure time before tissue heating is too great - ANSWER-D: The likelihood of
cavitation during an ultrasound exam
QUESTION: In medicine what do the initials "PHI" indicate?
A: Private health indicator
B: Personal heart index
C: Personal health information
D: Private health institute
E: Protected health information - ANSWER-E: Protected health information
2
, Page 3 of 275
QUESTION: What should you limit when the thermal index exceeds 1?
A: Overall gain
B: TGC
C: Exposure time
D: Scanning depth
E: All of the above - ANSWER-C: Exposure time
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. - ANSWER-C:
Complete the diagnostic scan in a timely fashion at the lowest output power that achieves a
quality image.
3
, Page 4 of 275
QUESTION: 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 - ANSWER-D: Increase transmit power
QUESTION: 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.
E: All of the above. - ANSWER-A: Use M-mode instead of pulsed-wave Doppler to measure the
fetal heart rate.
4
Davies Ultrasound Physics exam
review ALL 600 QUESTIONS AND
VERIFIED SOLUTIONS LATEST
UPDATE THIS YEAR
QUESTION: A study designed to determine if there is an association between an adverse effect
in a population and exposure to a particular agent is a(n):
A: Case report
B: Epidemiological study
C: In vitro study
D: In vivo study
E: Single-incident investigation - ANSWER-B: Epidemiological study
QUESTION: Which of the following actions is NOT compliant with HIPAA?
A: Cropping all patient identifiers from images used for teaching purposes.
B: Refraining from disclosing patient health information without proper authorization.
C: Reviewing your neighbors medical studies on your hospital PACS system so you can give her
your opinion of her condition.
1
, Page 2 of 275
D: Covering your daily requisition list so that the names are not visible to patients and visitors.
E: All of these actions are compliant with HIPAA. - ANSWER-C: Reviewing your neighbors
medical studies on your hospital PACS system so you can give her your opinion of her condition.
QUESTION: What does mechanical index indicate on an ultrasound system?
A: The maximum temperature increase in tissue
B: The minimum temperature increase in tissue
C: Acoustic power in milliwatts
D: The likelihood of cavitation during an ultrasound exam
E: Minutes of exposure time before tissue heating is too great - ANSWER-D: The likelihood of
cavitation during an ultrasound exam
QUESTION: In medicine what do the initials "PHI" indicate?
A: Private health indicator
B: Personal heart index
C: Personal health information
D: Private health institute
E: Protected health information - ANSWER-E: Protected health information
2
, Page 3 of 275
QUESTION: What should you limit when the thermal index exceeds 1?
A: Overall gain
B: TGC
C: Exposure time
D: Scanning depth
E: All of the above - ANSWER-C: Exposure time
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. - ANSWER-C:
Complete the diagnostic scan in a timely fashion at the lowest output power that achieves a
quality image.
3
, Page 4 of 275
QUESTION: 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 - ANSWER-D: Increase transmit power
QUESTION: 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.
E: All of the above. - ANSWER-A: Use M-mode instead of pulsed-wave Doppler to measure the
fetal heart rate.
4
