Exam (elaborations)
Image Production -- Final Test with complete solutions
- Course
- Institution
Image Production -- Final Test
[Show more]
Content preview
Image Production -- Final TestRing artifact can be the result of:
A. Averaging multiple tissue types into one voxel
B. Using a large display field-of-view
C. Leaving the patient's arms in the exposure field
D. Miscalibration of a detector element - correct answer ✔✔answer is what
Pitch is an acquisition variable defined for which acquisition mode?
Axial Mode
Helical Mode
Volume Mode - correct answer ✔✔
A new CT protocol calls for imaging the entire Circle of Willis in one x-ray exposure in one tube rotation.
What scanning mode would meet this requirement?
Axial Scanning
Helical Scanning
Volume Scanning - correct answer ✔✔
A protocol designed for viewing boney injuries to the thorax should use what kind of reconstruction
algorithm?
A. Edge-enhancing algorithms
B. Smoothing algorithms
C. Standard algorithms
D. Soft-tissue algorithms - correct answer ✔✔
Consider the following scenario.
, Several QC tests were performed on four different scanners. Based on the results of these tests, which
scanner has the highest spatial resolution?
A. Water phantom average = - 0.5 HU Water phantom standard deviation = 1.2 Line pairs = 12 lp/cm
B. Water phantom average = 1.0 HU Water phantom standard deviation = 3.1 Line pairs = 14 lp/cm
C. Water phantom average = -11 HU Water phantom standard deviation = 0.2 Line pairs = 13 lp/cm
D. Water phantom average = 2.0 HU Water phantom standard deviation = 2.0 Line pairs = 10 lp/cm -
correct answer ✔✔
Which of these detector configurations have the most total beam coverage?
A. 1 mm x 16 rows
B. 2 mm x 8 rows
C. 4 mm x 4 rows
D. 3 mm x 7 rows - correct answer ✔✔
Raw data is also called:
A. Scan data
B. Image data
C. Reconstructed data
D. Processed data - correct answer ✔✔
Considering the variables below, which of these statements describe the resulting volume of scan data?
Pitch = 1
Acquisition thickness = 1.5 mm
Rotation time = 1 second
Maximum tube current = 300 mA
A. There will be additional views of the same positions in the scan data
B. There will be missing views in the scan data
C. There will be overlap and missing views in the scan data
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 Sakayobako30. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73314 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now