Exam (elaborations)
Computed Tomography Exam Prep questions and answers rated 100% correct.
- Course
- Institution
Computed Tomography Exam Prep questions and answers rated 100% correct.
[Show more]
Seller
Follow
Content preview
Computed Tomography Exam Prepquestions and answers rated 100%
correct.
Which of the following reduces the scatter radiation reaching the detectors?
A. Post-patient collimation
B. Pre-patient collimation
C. Pre-detector collimation
D. Both A & C ANS - D. Both A & C
Which of the following is the primary interaction between x-ray photons and tissue during computed
tomography?
A. Bremsstrahlung
B. Characteristic
C. Compton effect
D. Coherent scatter ANS - C
The process by which electrons are produced at the cathode of a CT x-ray tube is known as:
A. rectification
B. anode heel effect
C. thermionic emission
D. isotropic emission ANS - C
The assignment of different generations to CT scanners is based on the configuration of the:
, A. patient and gantry
B. tube and detectors
C. anode and cathode
D. tube and collimators ANS - B
When one is using a third-generation CT scanner, it is important that reference detectors positioned at
the peripheral portions of the detector array be exposed to:
A. homogeneous radiation
B. unattenuated radiation
C. monochromatic radiation
D. remnant radiation ANS - D
In 1979, the scientists __________ and __________ shared the Nobel Prize for their research in
computed tomography
A. Watson and Crick
B. Olendorf and Hounsfield
C. Hounsfield and Cormack
D. Hounsfield and Ambrose ANS - C
The type of compensating filter used at the x-ray tube of a CT scanner is called a:
A. kernel
B. water bath
C. bow-tie filter
D. wedge filter ANS - C
The interaction between x-ray and matter that is responsible for the production of the scatter radiation
absorbed by the patient and detectors is:
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 Professorkaylee. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.79. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78252 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now