Patient Care
Imaging Procedures
Radiation Protection
Image Acquisition and Evaluation
Equations
100
Superficial arteries are best suited for determining this
What is pulse rate
100
Valgus refers to this
What is turned outward
100
According to the NCRP the monthly gestational dose-equivalent limit for embryo/fetus of a pregnant radiographer is this
What is .5 mSv
100
Misalignment of the tube-part-IR relationship results in this
What is shape distortion
100
A particular radiograph was produced using 12 mAs and 85 kV with a 16:1 ratio grid. The radiograph is to be repeated using an 8:1 ratio grid. This should be the new mAs
What is 8
200
MRSA and Clostridium difficile are diseases that require this
What is contact precautions
200
During an upper GI exam, a stomach of average shape demonstrates a barium-filled funds and double contrast of the pylorus and duodenal bulb. The position used is this
What is LPO
200
This type of effect may be described as "all or nothing" effects and are late effects
What is Stochastic/probabilistic effects
200
In electronic imaging, as digital image matrix size increases pixel size does this
What is decreases
200
An exposure was made at a 36 inch SID using 300 mA a 30 ms exposure and 80 kV and an 8:1 grid. It is desired to repeat the radiograph using a 40 inch SID and 70 kV. With all other factors remaining constant, the new exposure time will be this
What is 0.07 second
300
An iatrogenic infection is caused by this
What is physician intervention
300
These articulations participate in formation of the ankle mortise
What is talotibial and talofibular
300
These type of cells has the greatest radiosensitivity in the adult human
What is lymphocytes
300
In x-ray imaging this is a series of variable instructions
What is an algorithm
300
An AP projection of the femur was made using 300 mA, 0.03 second, 76 kV, 40 inch SID, 1.2 mm focal spot, and a 400 speed screen film system. With all other factors remaining constant, this exposure time would be required to maintain correct IR exposures at a 44 inch SID using 500 mA
What is 22 ms
400
This drug is used to treat dysthymias
What is lidocaine
400
The frontal view of the sternum is best accomplished in this position
What is RAO
400
As LET increases RBE does this
What is increases
400
The luminescent light emitted by the PSP is transformed into the image seen on the CRT by this
What is the ADC
400
In a PA projection of the chest being used for cardiac evaluation, the heart measures 14.7 cm between it's widest points. If the magnification factor is known to be 1.2 the actual diameter of the heart is this
What is 12.25 cm
500
Tracheostomy is indicated in cases of tracheal obstruction when the obstruction is located here
What is above the level of the larynx
500
With the patient's head in a PA position and the CR directed 20 degrees cephalad, this part of the mandible will be best visualized
What is Rami
500
The photoelectric effect is an interaction between an x-ray photon and this
What is an inner-shell electron
500
Line spread function and line pairs per millimeter are units used to express this
What is resolution
500
A pixel size of this has a 2,048 x 2,048 matrix with a 60 cm FOV
What is 0.3 mm
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