Exam (elaborations)
CTMT2336 Ch. 9 Exam With Complete Solution
- Course
- Institution
CTMT2336 Ch. 9 Exam With Complete Solution ...
[Show more]
Content preview
CTMT2336 Ch. 9 Exam WithComplete Solution
True or False
Although factors affecting resolution are largely determined by computed tomography
manufacturers, operators do have a great deal of control. - Answer False
True or False
In computed tomography, artifacts can arise from a number of sources, including the
patient, inappropriate selection of protocols, reconstruction process, and problems
relating to the equipment. - Answer True
True or False
Low-contrast resolution can be measured with phantoms that contain low-contrast
objects of different sizes. - Answer True
True or False
One of the disadvantages of computed tomography over conventional radiography is its
ability to observe low-contrast objects whose density is slightly different from the
background. - Answer False
True or False
Scatter-induced artifacts can be corrected with algorithms by carefully measuring or
estimating the scatter distribution in the projection. - Answer True
CT number uniformity can be affected by all of the following factors except:
a. linearity.
b. beam hardening.
c. scatter.
d. CT system stability. - Answer a. linearity.
Which of the following describes the scanner's ability to resolve closely placed objects
that are significantly different in the background?
a. High-contrast resolution
b. Noise
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 Zayla. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
84866 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now