Exam (elaborations)
SPI Practice Exam Questions and Answers 100% Correct (ARDMS practice tests) | Latest Update
- Course
- Institution
SPI Practice Exam Questions and Answers 100% Correct (ARDMS practice tests) | Latest Update
[Show more]
Content preview
SPI Practice Exam Questions and Answers 100%Correct (ARDMS practice tests) | Latest Update
2024-2025
Which term describes blood flow changes in response to respiration?
A. Phasic
B. Parabolic
C. Spontaneous
D. Pulsatile - ANSWER Phasic
What is demonstrated in this image produced by a linear array to placed on a
uniform tissue-mimicking phantom?
A. Time gain compensation not set properly.
B. System has low dynamic range.
C. Transducer crystals are damaged.
D. Focus control is malfunctioning. - ANSWER Transducer crystals are damaged
What is dynamic aperture?
A. Aperture that varies with transmit frequency
B. Aperture that deceases as a function of time
C. Aperture that increases with increasing focal length
,D. Aperture that changes as a function of frame rate - ANSWER Aperture that
increases with increasing focal length
Which variable can cause an acoustic shadow artifact?
A. Small acoustic impedance mismatch
B. Refraction
C. Perpendicular incidence
D. Low attenuation - ANSWER Small acoustic impedance mismatch
What control improved the effects of attenuation?
A. Dynamic range
B. Pulse Inversion
C. Multiple focal zones
D. TGC - ANSWER TGC
What is the potential effect of increasing the PRF?
A. Depth ambiguity
B. Decreased frame rate
C. Poor spatial resolution
D. Decreased penetration - ANSWER Decreased penetration
, How is lateral resolution determined for a pulse-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 By observing spaces between reflectors perpendicular to the
beam
According to ALARA guidelines, which parameter should be minimized?
A. Transmit power
B. Frequency
C. TGC
D. Overall gain - ANSWER Transmit power
Which statement is most acurate regarding surface rendering 3D ultrasound
imaging?
A. Improves accuracy of volume measurement
B. Minimizes effect of attenuation artifacts
C. Spatial resolution improve when using high resolution mesh
D. Feature-based reconstruction store full 3D volume acquired - ANSWER
Minimizes effect of attenuation artifacts
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 StudySet. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
62890 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now