GXMO EXAM|| GXMO REVIEW EXAM ALL
QUESTIONS AND 100% CORRECT ANSWERS
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X-rays were discovered by... - ANSWER: Roentgen in 1895 in Germany
The Joint Review Committee on Education in Radiologic Technology (JRCERT) is
the... - ANSWER: organization that accredits schools for radiologic technologists
The largest professional organization for radiologic technologists is the... -
ANSWER: ASRT
The x-ray room has an area that protects the limited operator from scatter radiation
and is called... - ANSWER: the control booth
Mechanism on the x-ray tube that provides a stop in a specific location -
ANSWER: detent
The image that has been exposed on the IR but has not yet been processed is called
- ANSWER: latent image
The absorption of x-rays by matter is called - ANSWER: attenuation
What is the name of the organization that requires technique charts be posted for
every radiographic room? - ANSWER: The joint commission
,2|Page
How many times can the phosphor in the CR plate be used? - ANSWER: 10,000
What is measured based on the type and energy of the radiation exposed to? -
ANSWER: Equivalent Dose
The EDE limit for whole-body dose of occupational radiation exposure for
nonpregnant workers older than age 18 who are involved in radiation use is -
ANSWER: 5.0 REM per year
Where should the CR enter the patient for the AP projections of the ankle joint? -
ANSWER: Perpendicular to a point midway between the malleoli
After an x-ray is taken and the image is stored in the computed radiography plate,
it has to be processed in the... - ANSWER: Image reader device
What is the primary function of the small intestine? - ANSWER: Digestion and
absorption
One of the main advantages of using CR and DR digital systems is: - ANSWER:
Ability to process images very fast
An exaggerated sense of modesty is most typical of which population group? -
ANSWER: Young teens
The target of the x-ray tube is made of: - ANSWER: Tungsten
The mass density of the radiographic subject is referred to as: - ANSWER: Tissue
density
, 3|Page
What x-ray generator will produce the greatest amount of heat for the same
exposure technique? - ANSWER: High-frequency
An increase in OID will result in: - ANSWER: Increased magnification
The photoelectric effect occurs when an incoming photon from the primary beam
interacts with which part of the atom in the patient's body? - ANSWER: Inner
shell electron
What is located on the high-voltage side of the x-ray circuit? - ANSWER: X-ray
tube
Fog affects radiographic quality by causing... - ANSWER: Decreased contrast
What projection and position of the elbow demonstrates the radial head and
capitulum without superimpostion? - ANSWER: AP oblique projection; 45-degree
lateral rotation postion
What is the proper angle and direction for the axiolateral projection of the
mandible when MSP of the head is angled 15-degrees toward the IR? - ANSWER:
10-degrees cephalic
The atomic number of the atom is represented by the number of... - ANSWER:
protons
What are the types of radiation produced in the anode? - ANSWER: Characteristic
and Bremsstrahlung
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