Rad Review Easy Part 4
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A decrease in kilovoltage will result in
A decrease in optical density
Which cholangiographic procedure uses an indwelling drainage tube for contrast medium administration?
Which of the following groups of exposure factors would be most appropriate to control
600 mA, 0.02 second
The apophyseal articulations of the thoracic spine are demonstrated with the
coronal plane 70° to the IR
A controlled area is one that is
occupied by radiation workers
Honor Code violations that can prevent a radiography student from meeting ARRT certification requirements include
- Being suspended from the radiography
- Being dismissed/expelled from a
- radiography program
According to NCRP regulations, leakage radiation from the x-ray tube must not exceed
In the lateral projection of the knee, the central ray is angled 5° cephalad to prevent superimposition of which of the following
structures on the joint space?
Medial femoral condyle
The rad may be described as
energy deposited in an absorber
When evaluating a PA axial projection of the skull with a 15-degree caudal angle, the radiographer should see
- petrous pyramids in the lower third of the orbits
- equal distance from the lateral border of the skull to the lateral rim of the orbit bilaterally
- symmetrical petrous pyramids
Ingestion of barium sulfate is contraindicated in which of the following situations?
- Suspected perforation of a hollow viscus
- Suspected large bowel obstruction
- Preoperative patients
Glossitis refers to inflammation of the
When the erect position is requested as part of an IVU, it is used to demonstrate
An exposure was made using 300 mA, 40 ms exposure, and 85 kV. Each of the following changes will decrease the radiographic density by one half except a change to
If the ESE for a particular exposure is 25 mrad, what will be the intensity of the scattered beam perpendicular to and 1 m from the
Biologic material is least sensitive to irradiation under which of the following conditions?
How does the use of rare earth intensifying screens contribute to lowering the patient dose?
It permits the use of lower milliampere-seconds
In a PA projection of the chest being used for cardiac evaluation, the heart measures 15.2 cm between its widest points. If the magnification factor is known to be 1.3, what is the actual diameter of the heart?
Which of the following examinations require(s) restriction of a patient's diet?
In which of the following situations should a radiographer wear protective eye gear (goggles)?
- When assisting the radiologist during an angiogram
- When assisting the radiologist in a biopsy/aspiration procedure
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