ARRT RADIOGRAPHY EXAM REVIEW QUESTIONS AND ANSWERS
LATEST DOWNLOADED 2025/2026 A COMPLETE SOLUTION ALL
ANSWERS 100% CORRECT DETAILED BEST GRADED A+ FOR PASS
The target angle of the anode allows for a ________ actual focal spot, while producing a ________
effective focal spot. This effect is known as the ________. - CORRECT ANSWERS 1) Larger
2) Smaller
3) Line Focus Principle
The target angle may be ________ to ________ degrees, depending on the tube design. - CORRECT
ANSWERS 1) 7
2) 20
When electrons travel from the cathode to the anode, they travel at up to ________ the speed of
________. - CORRECT ANSWERS 1) Half
2) Light
When electrons strike the anode, the kinetic energy converts the electrons into ________ and
________. - CORRECT ANSWERS 1) Heat
2) X-Rays
When striking the anode, the electron conversion to heat is approximately ________%. - CORRECT
ANSWERS 99.8
When striking the anode, the electron conversion to x-rays is approximately ________%. - CORRECT
ANSWERS 0.2
________ are a calculation of the total heat produced during an x-ray exposure. - CORRECT
ANSWERS Heat Units
Heat units for single-phase full-wave rectified equipment is calculated via this formula: - CORRECT
ANSWERS kVp x mAs
,ARRT RADIOGRAPHY EXAM REVIEW QUESTIONS AND ANSWERS
LATEST DOWNLOADED 2025/2026 A COMPLETE SOLUTION ALL
ANSWERS 100% CORRECT DETAILED BEST GRADED A+ FOR PASS
Heat units for three-phase, six-pulse full-wave rectified equipment is calculated via this formula: -
CORRECT ANSWERS kVp x mAs x 1.35
Heat units for three-phase, twelve-pulse full-wave rectified equipment is calculated via this formula: -
CORRECT ANSWERS kVp x mAs x 1.41
The x-ray tube for fluoroscopy is operated at ________ to ________ mA. - CORRECT ANSWERS
1) 3
2) 5
kVp and mAs are automatically adjusted during fluoroscopy by a process known as ________. -
CORRECT ANSWERS Automatic Brightness Control (ABC)
Automatic brightness control is also called ________ or ________. - CORRECT ANSWERS 1)
Automatic Brightness Stabilization
2) Automatic Gain Control
The ________ receives exit rays from the patient and converts then into visible light. - CORRECT
ANSWERS Input Phosphor
Visible light from the input phosphor strikes the ________, which is a thin layer next to the input
phosphor. - CORRECT ANSWERS Photocathode
The photocathode releases electrons in amounts ________ proportional to the visible light striking it. -
CORRECT ANSWERS Directly
Electrons from the photocathode are concentrated and directed toward the other end of the image-
intensifier tube by a series of ________ and by ________ kVp applied through the tube. - CORRECT
ANSWERS 1) Electrostatic Lenses (Focusing Lenses)
2) 25
,ARRT RADIOGRAPHY EXAM REVIEW QUESTIONS AND ANSWERS
LATEST DOWNLOADED 2025/2026 A COMPLETE SOLUTION ALL
ANSWERS 100% CORRECT DETAILED BEST GRADED A+ FOR PASS
Once electrons are propelled across the tube from the photocathode, they strike the ________. -
CORRECT ANSWERS Output Phosphor
Once the energy of the electrons hits the output phosphor, it is converted by the phosphor to ________
in amounts ________ to ________ times greater than the photocathode. - CORRECT ANSWERS
1) Visible Light
2) 50
3) 75
The increase in brightness from the photocathode to the output phosphor is known as ________. -
CORRECT ANSWERS Flux Gain
The ________ phosphor is smaller than the ________ phosphor, resulting in an increase in brightness
known as ________. - CORRECT ANSWERS 1) Output
2) Input
3) Minification Gain
Total brightness gain is a product of ________ gain and ________ gain. - CORRECT ANSWERS 1)
Minification
2) Flux
Total brightness gain ranges from ________ to ________, and decreases as the tube ages. - CORRECT
ANSWERS 1) 5000
2) 20000
A complete program in a radiology department that addresses all aspects of quality, including customer
service, image interpretation, accuracy of diagnosis, and distribution of radiologists' reports is known as:
- CORRECT ANSWERS Quality Assurance
, ARRT RADIOGRAPHY EXAM REVIEW QUESTIONS AND ANSWERS
LATEST DOWNLOADED 2025/2026 A COMPLETE SOLUTION ALL
ANSWERS 100% CORRECT DETAILED BEST GRADED A+ FOR PASS
A program that specifically addresses the safe and reliable operation of equipment is known as: -
CORRECT ANSWERS Quality Control
A quality control program is required by ________. - CORRECT ANSWERS The Joint Commission
Collimation must be accurate to within ________% of the source-to-image receptor distance. -
CORRECT ANSWERS 2
The effective focal spot size should be within ________% of the size stated in the equipment
specifications. - CORRECT ANSWERS 50
kVp must be accurate to within ________% of the kVp indicated. - CORRECT ANSWERS 10
The exposure timer should be accurate to within ________% of the time chosen for exposures over 10
ms. - CORRECT ANSWERS 5
Adjacent mA stations should be accurate to within ________% of one another. This is known as
________. - CORRECT ANSWERS 1) 10
2) Exposure Linearity
Radiation intensity of sequential exposures should not vary more than ________%. This is known as
________. - CORRECT ANSWERS 1) 5
2) Exposure Reproduceability
The fluoroscopy exposure rate should be tested with a digital dosimeter, and should not be more
than________ per minute. - CORRECT ANSWERS 100 mGyᵃ
CR plates should be erased at least every ________. - CORRECT ANSWERS 48 Hours
LATEST DOWNLOADED 2025/2026 A COMPLETE SOLUTION ALL
ANSWERS 100% CORRECT DETAILED BEST GRADED A+ FOR PASS
The target angle of the anode allows for a ________ actual focal spot, while producing a ________
effective focal spot. This effect is known as the ________. - CORRECT ANSWERS 1) Larger
2) Smaller
3) Line Focus Principle
The target angle may be ________ to ________ degrees, depending on the tube design. - CORRECT
ANSWERS 1) 7
2) 20
When electrons travel from the cathode to the anode, they travel at up to ________ the speed of
________. - CORRECT ANSWERS 1) Half
2) Light
When electrons strike the anode, the kinetic energy converts the electrons into ________ and
________. - CORRECT ANSWERS 1) Heat
2) X-Rays
When striking the anode, the electron conversion to heat is approximately ________%. - CORRECT
ANSWERS 99.8
When striking the anode, the electron conversion to x-rays is approximately ________%. - CORRECT
ANSWERS 0.2
________ are a calculation of the total heat produced during an x-ray exposure. - CORRECT
ANSWERS Heat Units
Heat units for single-phase full-wave rectified equipment is calculated via this formula: - CORRECT
ANSWERS kVp x mAs
,ARRT RADIOGRAPHY EXAM REVIEW QUESTIONS AND ANSWERS
LATEST DOWNLOADED 2025/2026 A COMPLETE SOLUTION ALL
ANSWERS 100% CORRECT DETAILED BEST GRADED A+ FOR PASS
Heat units for three-phase, six-pulse full-wave rectified equipment is calculated via this formula: -
CORRECT ANSWERS kVp x mAs x 1.35
Heat units for three-phase, twelve-pulse full-wave rectified equipment is calculated via this formula: -
CORRECT ANSWERS kVp x mAs x 1.41
The x-ray tube for fluoroscopy is operated at ________ to ________ mA. - CORRECT ANSWERS
1) 3
2) 5
kVp and mAs are automatically adjusted during fluoroscopy by a process known as ________. -
CORRECT ANSWERS Automatic Brightness Control (ABC)
Automatic brightness control is also called ________ or ________. - CORRECT ANSWERS 1)
Automatic Brightness Stabilization
2) Automatic Gain Control
The ________ receives exit rays from the patient and converts then into visible light. - CORRECT
ANSWERS Input Phosphor
Visible light from the input phosphor strikes the ________, which is a thin layer next to the input
phosphor. - CORRECT ANSWERS Photocathode
The photocathode releases electrons in amounts ________ proportional to the visible light striking it. -
CORRECT ANSWERS Directly
Electrons from the photocathode are concentrated and directed toward the other end of the image-
intensifier tube by a series of ________ and by ________ kVp applied through the tube. - CORRECT
ANSWERS 1) Electrostatic Lenses (Focusing Lenses)
2) 25
,ARRT RADIOGRAPHY EXAM REVIEW QUESTIONS AND ANSWERS
LATEST DOWNLOADED 2025/2026 A COMPLETE SOLUTION ALL
ANSWERS 100% CORRECT DETAILED BEST GRADED A+ FOR PASS
Once electrons are propelled across the tube from the photocathode, they strike the ________. -
CORRECT ANSWERS Output Phosphor
Once the energy of the electrons hits the output phosphor, it is converted by the phosphor to ________
in amounts ________ to ________ times greater than the photocathode. - CORRECT ANSWERS
1) Visible Light
2) 50
3) 75
The increase in brightness from the photocathode to the output phosphor is known as ________. -
CORRECT ANSWERS Flux Gain
The ________ phosphor is smaller than the ________ phosphor, resulting in an increase in brightness
known as ________. - CORRECT ANSWERS 1) Output
2) Input
3) Minification Gain
Total brightness gain is a product of ________ gain and ________ gain. - CORRECT ANSWERS 1)
Minification
2) Flux
Total brightness gain ranges from ________ to ________, and decreases as the tube ages. - CORRECT
ANSWERS 1) 5000
2) 20000
A complete program in a radiology department that addresses all aspects of quality, including customer
service, image interpretation, accuracy of diagnosis, and distribution of radiologists' reports is known as:
- CORRECT ANSWERS Quality Assurance
, ARRT RADIOGRAPHY EXAM REVIEW QUESTIONS AND ANSWERS
LATEST DOWNLOADED 2025/2026 A COMPLETE SOLUTION ALL
ANSWERS 100% CORRECT DETAILED BEST GRADED A+ FOR PASS
A program that specifically addresses the safe and reliable operation of equipment is known as: -
CORRECT ANSWERS Quality Control
A quality control program is required by ________. - CORRECT ANSWERS The Joint Commission
Collimation must be accurate to within ________% of the source-to-image receptor distance. -
CORRECT ANSWERS 2
The effective focal spot size should be within ________% of the size stated in the equipment
specifications. - CORRECT ANSWERS 50
kVp must be accurate to within ________% of the kVp indicated. - CORRECT ANSWERS 10
The exposure timer should be accurate to within ________% of the time chosen for exposures over 10
ms. - CORRECT ANSWERS 5
Adjacent mA stations should be accurate to within ________% of one another. This is known as
________. - CORRECT ANSWERS 1) 10
2) Exposure Linearity
Radiation intensity of sequential exposures should not vary more than ________%. This is known as
________. - CORRECT ANSWERS 1) 5
2) Exposure Reproduceability
The fluoroscopy exposure rate should be tested with a digital dosimeter, and should not be more
than________ per minute. - CORRECT ANSWERS 100 mGyᵃ
CR plates should be erased at least every ________. - CORRECT ANSWERS 48 Hours
