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ARRT Practice Questions and Correct Answers.
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ARRT Practice Questions and CorrectAnswers
For the cervicothoracic region lateral projection (swimmer's technique), the recommended position of
the humeral head closest to the IR is move - correct answers:anteriorly
What two bones are united to form the sternoclavicular joint? - correct answers:.
Clavicle and sternum
A radiographic contrast medium that absorbs more radiation than the organ in which it is placed is
termed a(n) - correct answers:Positive agent
Which radiographic projection of the shoulder joint will demonstrate the glenoid cavity in profile? -
correct answers:AP oblique (Grashey method)
What is the primary factor affecting the brightness of the fluoroscopic image? - correct answers:Density
of the anatomic part
Which part(s) of the humerus should be palpated and correctly placed to ensure that the humerus is
correctly positioned for AP projections? - correct answers:Epicondyles
Underexposed radiographs produced while using an AEC device might result from: - correct
answers:Having an insufficient backup time set for a very large patient
A common group of drugs that are used to promote defecation are termed: - correct answers:Cathartics
How much is the patient rotated from the horizontal position to visualize the zygapophyseal joints of the
thoracic vertebrae? - correct answers:70 degrees
Which of the following radiographic procedures requires an image demonstrating a long scale of
contrast? - correct answers:Chest
,Select the correct sequence of energy conversions when an indirect flat panel detector is used: - correct
answers:X-ray to light to electrons
The ovaries are least sensitive to radiation at which age? - correct answers:20-30 years of age
What is the active component of the TLD? - correct answers:lithium fluoride
A right lateral decubitus radiograph is taken of a patient with the grid placed behind the patient. This is
an example of a(n): - correct answers:AP Projection
During cystography, when ureteral reflux is suspected, it is often necessary to include a __________
radiograph. - correct answers:Voiding
What is the milliampere setting if the desired milliamperage-seconds are 40 and if the time is setting is
50 milliseconds? - correct answers:800 mA
Which of the following is (are) possible long-term somatic effects of radiation exposure?
1. Nausea & vomiting
2.Carcinogenesis
3. Leukemia - correct answers:2 & 3 only
Direct action may occur after exposure to any type of radiation, but it is much more likely to happen
after exposure to: - correct answers:high-LET radiation such as alpha particles
Which device in the typical x-ray circuit is adjusted to select the kilovoltage? - correct
answers:Autotransformer
If all of the other factors remain the same, what effect does excessive filtration have on a radiographic
image? - correct answers:Reduced contrast
, What does the term "fill factor" refer to? - correct answers:The percentage of the pixel face that contains
the x-ray detector
Which of the following would decrease the production of scatter radiation? - correct answers:A decrease
in kilovolts (peak)
The American College of Radiology (ACR) recommends that all available dose data from fluoroscopic
examinations be recorded in the patient's medical record. Which of the following are acceptable
methods of recording approximate dose?
1. Cumulative Air Kerma or Air Kerma area product data
2. Fluoroscopic exposure time and number of images acquired
3. Exposure factors utilized for the examination - correct answers:1 & 2
Medical asepsis can be defined as the __________ of pathogenic microorganisms in the environment? -
correct answers:reduction in number
What is the name of the type of skull that is considered to be of average shape and size? - correct
answers:Mesocephalic
Radioactive materials are stored and processed in the hospital nuclear medicine department. What
types of personal protective equipment should the technologist wear while working with these
materials?
1. Disposable nitrile gloves
2. Safety glasses
3. Surgical mask
4. Lab coat
5. Close-toed shoes
6. Sleeve protectors - correct answers:1, 2, 4, 5, 6
When walking into a patient's room that has been diagnosed as having TB, what should you wear? -
correct answers:Gloves and a N95 mask
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