Exam (elaborations)
SPI DAVIES REVIEW EXAM LATEST UPDATE
- Course
- Institution
DAVIES SPI REVIEW EXAM LATEST UPDATE DAVIES SPI REVIEW EXAM LATEST UPDATE
[Show more]
Content preview
DAVIES SPI REVIEW EXAM 2024-2025 LATESTUPDATE
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 ANSWER C: 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 ANSWER As 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
,DAVIES SPI REVIEW EXAM 2024-2025 LATEST
UPDATE
D: Increase transmit power
E: Increase frame averaging - CORRECT ANSWER D: 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.
E: All of the above. - CORRECT ANSWER A: Use M-mode instead of pulsed-wave
Doppler to measure the fetal heart rate.
Gain, TGC, and frame averaging do not affect _______ and therefore do not affect
_______. - CORRECT ANSWER -Sound transmission
-Exposure
T or F: Increasing frequency does not increase exposure. - CORRECT ANSWER
True
What potential bioeffect occurs through absorption of sound energy by tissue?
,DAVIES SPI REVIEW EXAM 2024-2025 LATEST
UPDATE
A: Cavitation
B: Heating
C: Attenuation
D: Reflection
E: Refraction - CORRECT ANSWER B: Heating
When practicing universal precautions you should do all of the following EXCEPT:
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
ANSWER 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
, DAVIES SPI REVIEW EXAM 2024-2025 LATEST
UPDATE
E: Requires isolation - CORRECT ANSWER C: Hospital-acquired
Thermally induced biological effects should be preventable by avoiding a local tissue
temperature increase exceeding:
A: 1 degree C
B: 4 degrees C
C: 10 degrees C
D: 95 degrees F
E: None; thermal effects have no threshold. - CORRECT ANSWER A: 1 degree 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 ANSWER A: SATA
Increased tissue heating could occur when you:
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Courseinstructor. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $30.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
81989 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now