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ARRT MOCK EXAM WITH CORRECT ANSWERS
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ARRT MOCK EXAM WITH CORRECT ANSWERS
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ARRT MOCK EXAM WITH CORRECTANSWERS
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 - ANSWERS✔✔ 2 and 3
More windings on the primary side of the transformer will create ____ voltage on the
secondary side. - ANSWERS✔✔ less
In the construction of a radiographic grid, what defines the grid ratio? - ANSWERS✔✔
height of lead strips compared to the distance between them
What positioning technique could help enhance the quality of a lateral knee? -
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? - ANSWERS✔✔ 0.004
Gy
Genetic effects are those that manifest: - ANSWERS✔✔ in future generations of the exposed
individual
General Fluoro is limited to maximum entrance skin exposure rate of: - ANSWERS✔✔ 100
mGy/min
, How is the patient positioned for an external rotation of the shoulder? - ANSWERS✔✔
abduct the patients arm
T/F: Electrons and x-rays can be focused. - ANSWERS✔✔ False
Which device in an image receptor can collect and convert light into an electrical signal? -
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? - ANSWERS✔✔ call a radiologist
What is the most common cause of an off-level grid error? - ANSWERS✔✔ grid shifts due to
patient movement
The trachea bifurcates at the level of the _____. - 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: - ANSWERS✔✔ camera tube lag
during an x-ray exposure, electrons accelerate towards what part of the x-ray tube? -
ANSWERS✔✔ Anode
What is the radiation weighting factor of x-rays? - 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 - ANSWERS✔✔ 1 and 2
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