GXMO Study Test | Questions & Answers (100 %Score) Latest Updated 2024/2025
Comprehensive Questions A+ Graded Answers | With Expert Solutions
Which of the following uses magnetic field and radio waves to generate sectional
images of the body? - MRI- Magnetic Resonance Imaging
Which of the following uses radiation to treat cancer tissue? - Radiation Therapy
Which of the following is specialized imaging of the breast? - Mammography
Is it an appropriate activity for a limited x-ray machine operator to perform a routine
chest x-ray if the licensed practitioner is not in the room? - Yes
Is it an appropriate activity for a limited x-ray machine operator to administer contrast
media for any x-ray examination if the licensed practitioner is in the room? - No
Which of the following includes a tray to hold the image receptor? - Bucky
Which of the following limits the size of the radiation field? - collimator
The __________ is the device that receives the energy of the x-ray beam and forms the
image of the body part. - image receptor
A type of image receptor that uses a cassette containing a phosphor plate and receives
the x-ray beam - computed radiography (CR)
When using a phosphor plate image receptor, the phosphor plate will be processed and
scanned by a ______ which causes the plate to emit light in proportion to the x-ray
energy received. The light is detected and that information is used to form a digital
image. - laser
Which of the following is the correct term for movement of the x-ray tube from the foot
end toward the head end of the patient? - longitudinal
Which of the following is the correct term for tilting the x-ray table so that the head is
lower than the feet? - trendelenburg
Which of the following controls the penetrating ability of x-rays? - kVp
Which of the following materials absorbs a high percentage of radiation and is used to
make protective apparel ? - lead
X-rays that pass through the protective lead lining of the tube housing is termed -
leakage radiation
, Which of the following describes the particle of an atom that is negatively charged, in an
orbital shell around the nucleus of an atom? - electron
Which of the following describes the particle of an atom that has no electrical charge
and resides in the nucleus? - neutron
Which of the following is the correct term for an electron and a positively charged atom?
- ion pair
Which of the following is the correct term for equal in all directions? - isotropic
Which of the following is the correct term for anything that occupies space and has
mass? - matter
All electromagnetic radiation travels at the same velocity which is _____. - 186,000
miles/sec
The electromagnetic radiation with highest energy is the _____. -
When x-rays are _____ by body tissue they cause ionization of atoms and molecules. -
absorbed
Material that allows x-radiation to pass through is termed _____. - radiolucent
A material with a higher Z-number is: - a material that is more radiopaque
Increased tissue density means: - a material that is more radiopaque
Which term refers to the emission of x-rays equally in all directions? - isotropic
Which of the following is NOT a possible reaction of x-rays and matter? - reflection
Which of the following is negatively charged? - cathode
Which of the following contains the filament? - cathode
Which of the following often contains small and large filaments (dual focus) within a
focusing cup - cathode
Which of the following is the correct term for when the electron striking the target
interacts with the target atom nucleus, slows down, losing kinetic energy that is
converted into an x-ray? - Bremsstrahlung X-Ray
Which of the following is the correct term for an area of the target with which electrons
interact? - focal spot
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