ARRT Review- Meaghan Perretti Exam
Questions & Answers (Grade A+)
Single phase voltage ripple -
correct answer ✅100% ripple
3 phase 6 pulse voltage ripple -
correct answer ✅14%
3 phase, 12 pulse ripple -
correct answer ✅4%
Hi Frequency voltage ripple -
correct answer ✅1%
Decreased Anode Angle equals... -
correct answer ✅Increased anode heel effect
Which side of the tube is higher intensity? -
correct answer ✅Cathode
The smaller the anode angle, the _________ the effective focal
spot. -
correct answer ✅smaller
,ARRT Review- Meaghan Perretti Exam
Questions & Answers (Grade A+)
As the anode target angle increases: -
correct answer ✅Effective focal spot size increases
What two interactions occur at the anode? -
correct answer ✅Bremsstrahlung
Characteristic
Electron -
correct answer ✅Straight
Photon -
correct answer ✅Wave
Primary Beam -
correct answer ✅X-rays that are produced by the tube and strike
the patient.
Comprised of either bremsstrahlung and/or characteristic
Remnant Beam -
correct answer ✅The x-ray beam that remains after interaction
,ARRT Review- Meaghan Perretti Exam
Questions & Answers (Grade A+)
with the patient and is exiting the patient to expose the image
receptor.
Made up of primary and secondary radiation.
Scatter radiation increases as ___________________ increases. -
correct answer ✅field size
Scatter radiation -
correct answer ✅A type of secondary radiation that occurs when
the beam intercepts an object, causing the x-rays to be scattered.
kVp determines: -
correct answer ✅Penetration
Quality (energy)
What is the controlling factor of quality? -
correct answer ✅kVp
If you increase kVp what is the effect on quality? -
correct answer ✅It increases
, ARRT Review- Meaghan Perretti Exam
Questions & Answers (Grade A+)
What determines the quantity of x-ray photons? -
correct answer ✅mAs
What happens to patient exposure when the mA is increased? -
correct answer ✅It increases
More x-ray photons (mA) means.... -
correct answer ✅More patient dose
Frequency -
correct answer ✅-Number of waves
-the higher the energy of the x-ray, the higher the frequency
Wavelength -
correct answer ✅Distance between the tops of the waves
wavelength and frequency -
correct answer ✅inversely proportional
If kVp is increased, what happens to wavelength? -
correct answer ✅It becomes shorter
Questions & Answers (Grade A+)
Single phase voltage ripple -
correct answer ✅100% ripple
3 phase 6 pulse voltage ripple -
correct answer ✅14%
3 phase, 12 pulse ripple -
correct answer ✅4%
Hi Frequency voltage ripple -
correct answer ✅1%
Decreased Anode Angle equals... -
correct answer ✅Increased anode heel effect
Which side of the tube is higher intensity? -
correct answer ✅Cathode
The smaller the anode angle, the _________ the effective focal
spot. -
correct answer ✅smaller
,ARRT Review- Meaghan Perretti Exam
Questions & Answers (Grade A+)
As the anode target angle increases: -
correct answer ✅Effective focal spot size increases
What two interactions occur at the anode? -
correct answer ✅Bremsstrahlung
Characteristic
Electron -
correct answer ✅Straight
Photon -
correct answer ✅Wave
Primary Beam -
correct answer ✅X-rays that are produced by the tube and strike
the patient.
Comprised of either bremsstrahlung and/or characteristic
Remnant Beam -
correct answer ✅The x-ray beam that remains after interaction
,ARRT Review- Meaghan Perretti Exam
Questions & Answers (Grade A+)
with the patient and is exiting the patient to expose the image
receptor.
Made up of primary and secondary radiation.
Scatter radiation increases as ___________________ increases. -
correct answer ✅field size
Scatter radiation -
correct answer ✅A type of secondary radiation that occurs when
the beam intercepts an object, causing the x-rays to be scattered.
kVp determines: -
correct answer ✅Penetration
Quality (energy)
What is the controlling factor of quality? -
correct answer ✅kVp
If you increase kVp what is the effect on quality? -
correct answer ✅It increases
, ARRT Review- Meaghan Perretti Exam
Questions & Answers (Grade A+)
What determines the quantity of x-ray photons? -
correct answer ✅mAs
What happens to patient exposure when the mA is increased? -
correct answer ✅It increases
More x-ray photons (mA) means.... -
correct answer ✅More patient dose
Frequency -
correct answer ✅-Number of waves
-the higher the energy of the x-ray, the higher the frequency
Wavelength -
correct answer ✅Distance between the tops of the waves
wavelength and frequency -
correct answer ✅inversely proportional
If kVp is increased, what happens to wavelength? -
correct answer ✅It becomes shorter
