GXMO STUDY GUIDE REVIEW
QUESTIONS AND ANSWERS 100%
CORRECT
Advantages of digital radiography over film/screen imaging systems include: -
ANSWER-Access, portability, and storage
The development of digital radiography grew out of experimentation with - ANSWER-
Ultrasound
The device that includes a tray to hold the image receptor - ANSWER-Bucky
What removes scatter radiation and prevents it from reaching the image receptor? -
ANSWER-Grid
The device that limits the size of the radiation field - ANSWER-Collimator
The special mechanism that stops tube movement at a specific location is - ANSWER-
Detent
The device that receives the remnant beam and forms the latent or invisible image -
ANSWER-Image receptor
What are the three types of image receptors - ANSWER-Film based, CR, and DR
A _____cassette containing film receives the x-ray beam. - ANSWER-Film based
A film based cassette containing film receives the x-ray beam. The film now contains a
____ image. - ANSWER-Latent
99% of the energy of the electrons striking the target is converted to _____. - ANSWER-
Heat
_____ is produced when the electron striking the target interacts with the target atom
nucleus, slows down, and changes direction - ANSWER-Bremsstrahlung x-rays
______ is produced when the electron striking the target ejects an inner shell electron of
the target atom, then an outer shell fills the vacancy with the release of an x-ray photon.
- ANSWER-Characteristic x rays
, What is the area of the target with which electrons interact? - ANSWER-Focal Spot
What keeps the electrons in a stream toward the anode target? - ANSWER-Focusing
cup
The latent image will become visible after the film is chemically processed in a -
ANSWER-Darkroom
A _____ cassette containing a phosphor plate receives the x-ray beam - ANSWER-CR
In a ______ image receptor system and electronic plate receives the x-ray beam and
produces an electronic signal that is sent directly to a computer for processing and
digital image formation. - ANSWER-DR
The correct term for movement of the x-ray tube from the foot end toward the head end
of the patient - ANSWER-Longitudinal
The movement of the x-ray tube from 30" to 40" above the image receptor is called____
- ANSWER-Vertical
The term from tilting the x-ray table so that the head is lower than the feet - ANSWER-
Trendelenburg
________ controls the quantity of x-rays produced - ANSWER-mAs
_________ controls the penetrating ability of x-rays - ANSWER-kVp
What are the cardinal principles of radiation protection? - ANSWER-Time, Distance, and
Shielding
Before making an x-ray exposure, the operator should ensure - ANSWER-that non-
essential persons are out of the x-ray room and the door is closed
The radiation that exits the X-ray tube port is called - ANSWER-primary radiation
A _______ is negatively charged and is found in an orbital shell around the nucleus of
an atom. - ANSWER-Electron
A _______ is positively charges and is in the nucleus of an atom. - ANSWER-Proton
A ______ has no electrical charge and is in the nucleus of an atom. - ANSWER-Neutron
A charged particle is a ______ - ANSWER-Ion
What is the term for two oppositely charged particles? - ANSWER-Ion Pair
QUESTIONS AND ANSWERS 100%
CORRECT
Advantages of digital radiography over film/screen imaging systems include: -
ANSWER-Access, portability, and storage
The development of digital radiography grew out of experimentation with - ANSWER-
Ultrasound
The device that includes a tray to hold the image receptor - ANSWER-Bucky
What removes scatter radiation and prevents it from reaching the image receptor? -
ANSWER-Grid
The device that limits the size of the radiation field - ANSWER-Collimator
The special mechanism that stops tube movement at a specific location is - ANSWER-
Detent
The device that receives the remnant beam and forms the latent or invisible image -
ANSWER-Image receptor
What are the three types of image receptors - ANSWER-Film based, CR, and DR
A _____cassette containing film receives the x-ray beam. - ANSWER-Film based
A film based cassette containing film receives the x-ray beam. The film now contains a
____ image. - ANSWER-Latent
99% of the energy of the electrons striking the target is converted to _____. - ANSWER-
Heat
_____ is produced when the electron striking the target interacts with the target atom
nucleus, slows down, and changes direction - ANSWER-Bremsstrahlung x-rays
______ is produced when the electron striking the target ejects an inner shell electron of
the target atom, then an outer shell fills the vacancy with the release of an x-ray photon.
- ANSWER-Characteristic x rays
, What is the area of the target with which electrons interact? - ANSWER-Focal Spot
What keeps the electrons in a stream toward the anode target? - ANSWER-Focusing
cup
The latent image will become visible after the film is chemically processed in a -
ANSWER-Darkroom
A _____ cassette containing a phosphor plate receives the x-ray beam - ANSWER-CR
In a ______ image receptor system and electronic plate receives the x-ray beam and
produces an electronic signal that is sent directly to a computer for processing and
digital image formation. - ANSWER-DR
The correct term for movement of the x-ray tube from the foot end toward the head end
of the patient - ANSWER-Longitudinal
The movement of the x-ray tube from 30" to 40" above the image receptor is called____
- ANSWER-Vertical
The term from tilting the x-ray table so that the head is lower than the feet - ANSWER-
Trendelenburg
________ controls the quantity of x-rays produced - ANSWER-mAs
_________ controls the penetrating ability of x-rays - ANSWER-kVp
What are the cardinal principles of radiation protection? - ANSWER-Time, Distance, and
Shielding
Before making an x-ray exposure, the operator should ensure - ANSWER-that non-
essential persons are out of the x-ray room and the door is closed
The radiation that exits the X-ray tube port is called - ANSWER-primary radiation
A _______ is negatively charged and is found in an orbital shell around the nucleus of
an atom. - ANSWER-Electron
A _______ is positively charges and is in the nucleus of an atom. - ANSWER-Proton
A ______ has no electrical charge and is in the nucleus of an atom. - ANSWER-Neutron
A charged particle is a ______ - ANSWER-Ion
What is the term for two oppositely charged particles? - ANSWER-Ion Pair
