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CT- PRACTICE EXAM QUESTIONS WITH COMPLETE ANSWERS PART #2 $15.49   Add to cart

Exam (elaborations)

CT- PRACTICE EXAM QUESTIONS WITH COMPLETE ANSWERS PART #2

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  • Course
  • Computed Tomography
  • Institution
  • Computed Tomography

CT- PRACTICE EXAM QUESTIONS WITH COMPLETE ANSWERS PART #2

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  • August 18, 2024
  • 10
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Computed Tomography
  • Computed Tomography
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CT- PRACTICE EXAM QUESTIONS WITH
COMPLETE 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

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