CT-Exam Secrets Practice UPDATED
ACTUAL QUESTIONS AND CORRECT
ANSWERS
A. Filtration - CORRECT ANSWER 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
B. Detectors - CORRECT ANSWER 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
C. Solid state crystalline detectors - CORRECT ANSWER 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
C. Array processor - CORRECT ANSWER 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
, D. Slip Rings - CORRECT ANSWER 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
C. Multi-row detector arrays - CORRECT ANSWER 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
B. High voltage generator - CORRECT ANSWER 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
A. mA - CORRECT ANSWER 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
C. Pre-patient collimation - CORRECT ANSWER 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?
ACTUAL QUESTIONS AND CORRECT
ANSWERS
A. Filtration - CORRECT ANSWER 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
B. Detectors - CORRECT ANSWER 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
C. Solid state crystalline detectors - CORRECT ANSWER 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
C. Array processor - CORRECT ANSWER 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
, D. Slip Rings - CORRECT ANSWER 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
C. Multi-row detector arrays - CORRECT ANSWER 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
B. High voltage generator - CORRECT ANSWER 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
A. mA - CORRECT ANSWER 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
C. Pre-patient collimation - CORRECT ANSWER 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?
