If the primary beam area is doubled by opening the collimator, patient dose and exposure to the
operator will: correct answers Increase by a factor of 2
All fluoroscopic machines must have an exposure switch that is of a deadman type. This type of
switch is one that stops: correct answers When the pressure on it is released
Failure to dorsiflex the patients foot when performing the 45 degree AP medial oblique
projection of the ankle will result in: correct answers Sunperimposition of the lateral malleolus
and calcaneus
How many pairs of floating ribs are there? correct answers Two
The main purpose of adding filtration to the X-ray tube is to: correct answers Decrease patient
dose
When caring for a patient with an IV, the solution should be positioned: correct answers 18-24
inches above the level of the infusion site
How many images does a typical skeletal survey contain? correct answers 15-20
Which of the following results in edge enhancement?
A. High-pass filtering
B. Low-pass filtering
C. Unsharp masking
D. Frequency masking correct answers High-pass filtering
In which projection of the ankle should the malleoli be equidistant to the image receptor? correct
answers Anteroposterior (AP)
A PACS network is used to connect which three of the following?
A. Radiologist reading station
B. Imaging equipment
C. PACS servers
D. Electronic medical record (EMR) correct answers A, B, and C
From the following options, choose three structures that are normally located in the right upper
quadrant of the abdomen?
A. Gallbladder
B. Liver
C. Tail of pancreas
D. Adrenal gland
E. Appendix
F. Spleen correct answers A, B, and D
, Isopropyl alcohol and povidone-iodine, such as betadine, are two common agents that may be
used for: correct answers Disinfecting the skin
Which two of these processes corrects for slight underexposurw or overexposure errors caused
by incorrect technical factor settings?
A. Histogram analysis
B. Rescaling
C. Look up table adjustments
D. Quantization correct answers B and C
What does the Y-axis represent on a radiographic histogram? correct answers Frequency of
specific exposure values captured by the image receptor
On an AP pelvis radiograph, the feet need to be rotated to what degree to place the femoral necks
parallel to the IR? correct answers 15-20 degrees medially
During which stage of development do children generally begin to initiate contact with people
other than their parents ? correct answers Preschool age
Low-energy X-ray photons absorbed in the patients skin will usually result in increased: correct
answers Patient dose
The risk of cancer is estimated by calculating the: correct answers
As the angle of the anode decreases, what happens to the tube loading capacity of the x-ray tube?
correct answers Decreased tube loading capacity
The document in which patients identify the type and amount of nutritional and life-sustaining
treatments desired at the end of life is referred to as which of the following? correct answers
Living will
Which facial bone is found in the medial wall of the orbit between the ethmoid and the maxilla?
correct answers Lacrimal
When using automatic exposure control
(AEC), which of the following can be employed to reduce patient motion while maintaining
proper image receptor exposure? correct answers Increased milliamperage setting
What is released during a photoelectric interaction as the electrons cascade to fill the void left by
the ejected inner shell electron? correct answers Characteristic X-ray photon
A nosocomial infection that occurs as a result of overgrowth of the normal flora is called: correct
answers Endogenous
Electronic intensification in an image intensifier occurs when: correct answers Electrons are
moved at high speed from the photocathode to the output phosphor