Radiology Questions
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Which of the following statements regarding film badges is (are) correct? 1. Film badges should be read quarterly. 2. Film badges must not leave the workplace. 3. Film badges measure quantity and quality of radiation exposure.
Which projection of the knee will show the proximal tibiofibular articulation free from superimposition?A. AP or PAB. LateralC. Lateral oblique 45 degreesD. Medial oblique 45 degrees
Which of the following must be done to correct a saturated digital image.A. Change the window widthB. Change the window levelC. Invert the imageD. The image must be repeated
If an unattended patient is injured by falling off the x-ray table, why could the radiographer be sued?
Equally spaced scratches at the leading and trailing edges of a film are caused by which of the following?A. slipping rollerB. Dirty rollersC. Exhausted fixerD. A misaligned guide shoe
When the radiographer selects kilovoltage on the control panel, which device is adjusted?A. Step-up transformerB. AutotransformerC. Filament circuitD. Rectifier circuit
Which of the following would be found in a thermoluminescent dosimeter (TLD)?A. Aluminum filterB. Copper filterC. Lithium fluoride crystalD. Zinc cadmium sulfide screen
In 1906, Bergonié and Tribondeau theorized that undifferentiated cells are highly radiosensitive. Which of the following is (are) characteristic(s) of undifferentiated cells?1.Young cells2.Highly mitotic cells3.Precursor cells
A decrease from 90 to 77 kVp will result in a decrease in which of the following?1.Wavelength2.Scale of grays3.Optical density
The true lateral position of the skull uses which of the following principles?1.Interpupillary line perpendicular to the IR2.MSP perpendicular to the IR3.Infraorbitomeatal line (IOML) parallel to the transverse axis of the IR
Which of the following is performed to check the correctness of the developing parameters?A. DensitometryB. A thorough cleaning of rollersC. A warm-up procedureD. Sensitometry
Base-plus fog is a result of1.blue-tinted film base2.chemical development3.the manufacturing process
Which of the following anatomical structures is at the level of the iliac crest?A. T10B. L2-3C. Body of L3D. L4-5 interspace
In the lateral projection of the scapula, the1.vertebral and axillary borders are superimposed.2.acromion and coracoid processes are superimposed.3.inferior angle is superimposed on the ribs.
During IV urography, the prone position generally is recommended to demonstrate1.the filling of the ureters2.the renal pelvis3.the superior calyces
All the following statements regarding oxygen delivery are true exceptA. oxygen is classified as a drug and must be prescribed by a physician.B. the rate of delivery and mode of delivery must be part of a physician order for oxygen.C. oxygen may be ordered as continuously or as needed (prn)..D. none of the above; they are all true.
Quality control testing of digital display monitors should be conductedA. DailyB. WeeklyC. MonthlyD. Annually
A controlled area is defined as one1.that is occupied by people trained in radiation safety2.that is occupied by people who wear radiation monitors3.whose occupancy factor is 1
According to NCRP regulations, leakage radiation from the x-ray tube must not exceedA. 10 mR/hB. 100 mR/hC. 10 mR/minD. 100 mR/min
What venous device can be used for a patient requiring IV injections at frequent or regular intervals?A. Butterfly needleB. Heparin lockC. IV infusionD. Hypodermic needle