Exam (elaborations)
CT- PRACTICE EXAM QUESTIONS WITH COMPLETE ANSWERS PART #2
- Course
- Institution
CT- PRACTICE EXAM QUESTIONS WITH COMPLETE ANSWERS PART #2
[Show more]
Content preview
CT- PRACTICE EXAM QUESTIONS WITHCOMPLETE ANSWERS PART #2
What process reduces the longest wave length photons creating a more monochromatic
beam and reducing patient radiation dose?
A. Filtration
B. Detector collimation
C. Slip rings
D. None of the above - Answer-A. Filtration
What component located within the CT Gantry measures transmitted photons that pass
completely through the patient?
A. Filters
B. Detectors
C. Collimators
D. Slip Rings - Answer-B. Detectors
What is the most efficient and most common type of detector utilized today?
A. Xenon gas detectors
B. Stationary detectors
C. Solid State Crystalline detectors
D. Single detectors - Answer-C. Solid state crystalline detectors
During Image Reconstruction in the Data Acquisition System, what system reconstructs
the amplified digitized raw data into the CT images?
A. amplifier
B. Analogue-to-digital converter (ADC)
C. Array processor
D. Operator's Console - Answer-C. Array processor
The development of what electromechanical device consisting of circular electrical
conductive rings and brushes allowed for helical scanning capabilities?
A. Amplifier
B. Array Processor
C. Electron gun
D. Slip Rings - Answer-D. Slip Rings
What CT development allows for more than one slice to be acquired during each tube
rotation?
A. Host Computers
B. Data acquisition system
C. Multi-row detector arrays
D. Single-row detector arrays - Answer-C. Multi-row detector arrays
, What is the component that takes a low voltage and passes it through a series of wire
coils to produce a very large voltage?
A. X-ray tube
B. High Voltage generator
C. Low Voltage generator
D. Amplifier - Answer-B. High voltage generator
What parameter determines the number of x-ray photons produced by the CT x-ray
tube?
A. mA
B. kVp
C. Slice Thickness
D. Table increment - Answer-A. mA
What type of collimation restricts the x-ray beam immediately after it exits the CT tube
and before any photons interact with a patient's body?
A. Post-patient collimation
B. Pre-detector collimation
C. Pre-patient collimation
D. All of the above - Answer-C. Pre-patient collimation
What system during Image Reconstruction in the Data Acquisition System makes the
small energy or light emitted from the detectors larger?
A. Amplifier
B. Analogue-to-Digital Converter (ADC)
C. Array Processor
D. Operator's Console - Answer-A. Amplifier
CT generators produce high kV to increase the intensity and penetration of the beam.
What is the general kV range?
A. 140-170kV
B. 60-120kV
C. 40-150kV
D. 120-140kV - Answer-D. 120-140kV
What is the atomic number of Tungsten?
A. 74
B. 128
C. 62
D. 80 - Answer-A. 74
What are the most common size focal spots found in CT tubes?
A. 1.0mm and 2.0mm
B. 0.25mm and 1.0mm
C. 0.5mm and 1.0mm
D. 3.0mm and 4.25mm - Answer-C. 0.5mm and 1.0mm
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 biggdreamer. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67866 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now
