ARRT MOCK EXAM - 6/23/20 Questions
with Answers
M/C: Which of the following are true for an AP coccyx projection?
1. 15 degree cephalic angle.
2. 10 degree caudal angle
3. center 2 inches superior to the pubic symphysis - correct answers:2 and 3
More windings on the primary side of the transformer will create ____ voltage on the secondary side. -
correct answers:less
In the construction of a radiographic grid, what defines the grid ratio? - correct answers:height of lead
strips compared to the distance between them
What positioning technique could help enhance the quality of a lateral knee? - correct answers:CR with a
5 degree cephalic angle
During a fluoro exposure, a patient's stomach absorbs a total of 0.012 joules of energy. The tissues of the
stomach weigh 3 kilograms. What is the absorbed dose? - correct answers:0.004 Gy
Genetic effects are those that manifest: - correct answers:in future generations of the exposed individual
General Fluoro is limited to maximum entrance skin exposure rate of: - correct answers:100 mGy/min
How is the patient positioned for an external rotation of the shoulder? - correct answers:abduct the
patients arm
T/F: Electrons and x-rays can be focused. - correct answers:False
, Which device in an image receptor can collect and convert light into an electrical signal? - correct
answers:CCD, Photodiode
if a patient begins to have symptoms of hives after an injection of contrast for an IVP, what should be
done first? - correct answers:call a radiologist
What is the most common cause of an off-level grid error? - correct answers:grid shifts due to patient
movement
The trachea bifurcates at the level of the _____. - correct answers:Aortic notch
If the x-ray tube is moved rapidly during a fluoro exam, the image will blur. This is the result of the
following: - correct answers:camera tube lag
during an x-ray exposure, electrons accelerate towards what part of the x-ray tube? - correct
answers:Anode
What is the radiation weighting factor of x-rays? - correct answers:1
M/C: The use of proper collimation serves to:
1. Increase image contrast
2. reduce radiation exposure to the patient
3. decrease effective focal-spot size - correct answers:1 and 2
Inherent filtration refers to: - correct answers:filtration that is part of tube design
What effect will decreasing collimation have on patient radiation exposure - correct answers:increases
patient radiation exposure
The severity of the hell effect can be increased by what change in SID? - correct answers:decreasing sid
with Answers
M/C: Which of the following are true for an AP coccyx projection?
1. 15 degree cephalic angle.
2. 10 degree caudal angle
3. center 2 inches superior to the pubic symphysis - correct answers:2 and 3
More windings on the primary side of the transformer will create ____ voltage on the secondary side. -
correct answers:less
In the construction of a radiographic grid, what defines the grid ratio? - correct answers:height of lead
strips compared to the distance between them
What positioning technique could help enhance the quality of a lateral knee? - correct answers:CR with a
5 degree cephalic angle
During a fluoro exposure, a patient's stomach absorbs a total of 0.012 joules of energy. The tissues of the
stomach weigh 3 kilograms. What is the absorbed dose? - correct answers:0.004 Gy
Genetic effects are those that manifest: - correct answers:in future generations of the exposed individual
General Fluoro is limited to maximum entrance skin exposure rate of: - correct answers:100 mGy/min
How is the patient positioned for an external rotation of the shoulder? - correct answers:abduct the
patients arm
T/F: Electrons and x-rays can be focused. - correct answers:False
, Which device in an image receptor can collect and convert light into an electrical signal? - correct
answers:CCD, Photodiode
if a patient begins to have symptoms of hives after an injection of contrast for an IVP, what should be
done first? - correct answers:call a radiologist
What is the most common cause of an off-level grid error? - correct answers:grid shifts due to patient
movement
The trachea bifurcates at the level of the _____. - correct answers:Aortic notch
If the x-ray tube is moved rapidly during a fluoro exam, the image will blur. This is the result of the
following: - correct answers:camera tube lag
during an x-ray exposure, electrons accelerate towards what part of the x-ray tube? - correct
answers:Anode
What is the radiation weighting factor of x-rays? - correct answers:1
M/C: The use of proper collimation serves to:
1. Increase image contrast
2. reduce radiation exposure to the patient
3. decrease effective focal-spot size - correct answers:1 and 2
Inherent filtration refers to: - correct answers:filtration that is part of tube design
What effect will decreasing collimation have on patient radiation exposure - correct answers:increases
patient radiation exposure
The severity of the hell effect can be increased by what change in SID? - correct answers:decreasing sid
