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Spi Davies Exam 2024 Complete Questions And Responses
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Spi Davies Exam 2024 Complete Questions And Responses
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Spi Davies Exam 2024 CompleteQuestions And Responses
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. Maximum the acoustic output to brighten the overall image.
E. Extend the sonogram beyond the intended scope of the requisition. CORRECT ANSWERS C. Complete the diagnostic scan in a timely fashion at the lowest output power that achieves a quality image.
During the 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 ANSWERS D. Increase transmit power
While performing a sonogram, to minimize risk to the fetus, which imaging mode tradeoff would be most applicable?
A. Use M-mode instead of pulsed-wave Doppler to measure the fetal 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 CORRECT ANSWERS A. Use M-mode instead of pulsed-wave Doppler to measure the fetal heart rate.
What potential bio effect occurs through absorption of sound energy by tissue?
A. Cavitation B. Heating
C. Attenuation D. Reflection E. Refraction CORRECT ANSWERS B. Heating
When practicing universal precautions, you should do all of the following EXECEPT:
A. Wear gloves when there is a potential for contact with patient bodily fluids.
B. Change gloves when moving from one patient to another.
C. Wash hands immediately after gloves are removed.
D. Wear face masks or eye protection whenever there is a possibility of blood splashing into your face.
E. Wash gloves between exams for re-use from one patient to another. CORRECT ANSWERS E. Wash gloves between exams for re-use from one patient to another
A nosocomial infection is defined as one that is:
A. Resistant to antibiotics B. Restricted to the respiratory system C. Hospital-acquired D. Not contagious E. Requires isolation CORRECT ANSWERS C. Hospital-acquired
Thermally induced biological effects should be preventable by avoiding a local temperature increase exceeding:
A. 1 C B. 4 C
C. 10 C
D. 95 C
E. None; thermal effects have no threshold. CORRECT ANSWERS A. 1 C
Which intensity descriptor has the lowest numerical value for the characterization of a pulsed-wave ultrasonic field?
A. SATA
B. SPTA
C. SATP
D. SPTP
E. These intensity descriptors are only used for continuous-wave ultrasound. CORRECT ANSWERS A. SATA
Increased tissue heating could occur when you:
A. Decrease frequency B. Increase transmit power C. Decrease exposure time D. Decrease pulse repetition frequency E. All of the above CORRECT ANSWERS B. Increase transmit frequency
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 CORRECT ANSWERS B. Epidemiological study
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 neighbor's medical studies on your hospital PACS system so you can give her your opinion of her condition.
D. All of these actions are compliant with HIPAA. CORRECT ANSWERS C. Reviewing your neighbor's medical studies on your hospital PACS system so you can give her your
opinion of her condition.
What does the medical 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 CORRECT ANSWERS D. The likelihood of cavitation during an ultrasound exam
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 CORRECT ANSWERS E. Protected health Information
What should you limit when the thermal index exceeds 1?
A. Overall gain
B. TGC
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