RADIOGRAPHY PRACTICE QUESTIONS WITH
VERIFIED ANSWERS AND DETAILED
EXPLANATIONS GRADED A+
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 - answer-2 and 3
More windings on the primary side of the transformer will create ____ voltage on the
secondary side. - answer-less
In the construction of a radiographic grid, what defines the grid ratio? - answer-height of
lead strips compared to the distance between them
What positioning technique could help enhance the quality of a lateral knee? - answer-
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? - answer-
0.004 Gy
Genetic effects are those that manifest: - answer-in future generations of the exposed
individual
General Fluoro is limited to maximum entrance skin exposure rate of: - answer-100
mGy/min
,How is the patient positioned for an external rotation of the shoulder? - answer-abduct
the patients arm
T/F: Electrons and x-rays can be focused. - answer-False
Which device in an image receptor can collect and convert light into an electrical
signal? - answer-CCD, Photodiode
if a patient begins to have symptoms of hives after an injection of contrast for an IVP,
what should be done first? - answer-call a radiologist
What is the most common cause of an off-level grid error? - answer-grid shifts due to
patient movement
The trachea bifurcates at the level of the _____. - answer-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: - answer-camera tube lag
during an x-ray exposure, electrons accelerate towards what part of the x-ray tube? -
answer-Anode
What is the radiation weighting factor of x-rays? - answer-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 - answer-1 and 2
,Inherent filtration refers to: - answer-filtration that is part of tube design
What effect will decreasing collimation have on patient radiation exposure - answer-
increases patient radiation exposure
The severity of the hell effect can be increased by what change in SID? - answer-
decreasing sid
M/C: Federal Law on radiation protection requires which of the following?
1. signage for radiation areas
2. maintaining personal dose records
3. publication of personal dose records - answer-1 and 2
What is the largest carpal bone? - answer-capitate
T/F: the esophagus lies anterior to the trachea? - answer-False
To function correctly, the current entering a transformer must be: - answer-AC
A middle-aged male with a blood pressure reading 180/80 mmHg would be diagnosed
as - answer-hypertensive
PICC lines are used to: - answer-Deliver medication through a vein
M/C: Which of the following facts are true regarding x-rays?
1. x-rays have no mass
2. x-rays travel at the speed of light
, 3. x-rays have a positive charge - answer-1 and 2
M/C: Which of the following is true about the fibula?
1. it sits laterally to the tibia
2. it articulates with the tibia at the proximal end
3. it articulates at the distal medial talus - answer-1 and 2
photons produced outside of the actual focal spot are known as: - answer-Off focus
radiation
M/C: Total filtration of the x-ray beam includes:
1. Added Filtration
2. Inherent filtration
3. collimation - answer-1 and 2
Which sinus is demonstrated through the open mouth waters? - answer-sphenoid
Which area is myelography not used on? - answer-sacrum
M/C: How does the anode heel effect manifest itself on a radiographic image?
1. Higher exposure on the anode side of the image
2. Higher exposure on the cathode side of the image
3. Increased detail on the anode side of the image
4. increased detail on the cathode side of the image - answer-2 and 3