GXMO Study Questions with correct
Answers
Which of the following uses magnetic field and radio waves to generate sectional
images of the body? - Answers -MRI- Magnetic Resonance Imaging
Which of the following uses radiation to treat cancer tissue? - Answers -Radiation
Therapy
Which of the following is specialized imaging of the breast? - Answers -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? - Answers -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? - Answers -
No
Which of the following includes a tray to hold the image receptor? - Answers -Bucky
Which of the following limits the size of the radiation field? - Answers -collimator
The __________ is the device that receives the energy of the x-ray beam and forms the
image of the body part. - Answers -image receptor
A type of image receptor that uses a cassette containing a phosphor plate and receives
the x-ray beam - Answers -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. - Answers -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? - Answers -longitudinal
Which of the following is the correct term for tilting the x-ray table so that the head is
lower than the feet? - Answers -trendelenburg
Which of the following controls the penetrating ability of x-rays? - Answers -kVp
, Which of the following materials absorbs a high percentage of radiation and is used to
make protective apparel ? - Answers -lead
X-rays that pass through the protective lead lining of the tube housing is termed -
Answers -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? - Answers -electron
Which of the following describes the particle of an atom that has no electrical charge
and resides in the nucleus? - Answers -neutron
Which of the following is the correct term for an electron and a positively charged atom?
- Answers -ion pair
If the kVp is increased, the patient dose will _____ - Answers -increase
Increasing kVp will_____ on the radiographic image. - Answers -increase scatter fog
Increase in the patient or part thickness will _____ on the radiographic image.
A) - Answers -increase scatter fog
_____ is the number of lead strips per inch. - Answers -grid frequency
_____ is the distance to which the grid lines are focused. - Answers -grid radius
More collimation (smaller field size) results in _____ in operator dose. - Answers -
decrease
More collimation (smaller field size) results in _____ in image contrast. - Answers -
variable kVp chart
Which of the following is the correct term for equal in all directions? - Answers -isotropic
Which of the following is the correct term for anything that occupies space and has
mass? - Answers -matter
All electromagnetic radiation travels at the same velocity which is _____. - Answers -
186,000 miles/sec
The electromagnetic radiation with highest energy is the _____. - Answers -
When x-rays are _____ by body tissue they cause ionization of atoms and molecules. -
Answers -absorbed
Material that allows x-radiation to pass through is termed _____. - Answers -radiolucent
Answers
Which of the following uses magnetic field and radio waves to generate sectional
images of the body? - Answers -MRI- Magnetic Resonance Imaging
Which of the following uses radiation to treat cancer tissue? - Answers -Radiation
Therapy
Which of the following is specialized imaging of the breast? - Answers -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? - Answers -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? - Answers -
No
Which of the following includes a tray to hold the image receptor? - Answers -Bucky
Which of the following limits the size of the radiation field? - Answers -collimator
The __________ is the device that receives the energy of the x-ray beam and forms the
image of the body part. - Answers -image receptor
A type of image receptor that uses a cassette containing a phosphor plate and receives
the x-ray beam - Answers -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. - Answers -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? - Answers -longitudinal
Which of the following is the correct term for tilting the x-ray table so that the head is
lower than the feet? - Answers -trendelenburg
Which of the following controls the penetrating ability of x-rays? - Answers -kVp
, Which of the following materials absorbs a high percentage of radiation and is used to
make protective apparel ? - Answers -lead
X-rays that pass through the protective lead lining of the tube housing is termed -
Answers -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? - Answers -electron
Which of the following describes the particle of an atom that has no electrical charge
and resides in the nucleus? - Answers -neutron
Which of the following is the correct term for an electron and a positively charged atom?
- Answers -ion pair
If the kVp is increased, the patient dose will _____ - Answers -increase
Increasing kVp will_____ on the radiographic image. - Answers -increase scatter fog
Increase in the patient or part thickness will _____ on the radiographic image.
A) - Answers -increase scatter fog
_____ is the number of lead strips per inch. - Answers -grid frequency
_____ is the distance to which the grid lines are focused. - Answers -grid radius
More collimation (smaller field size) results in _____ in operator dose. - Answers -
decrease
More collimation (smaller field size) results in _____ in image contrast. - Answers -
variable kVp chart
Which of the following is the correct term for equal in all directions? - Answers -isotropic
Which of the following is the correct term for anything that occupies space and has
mass? - Answers -matter
All electromagnetic radiation travels at the same velocity which is _____. - Answers -
186,000 miles/sec
The electromagnetic radiation with highest energy is the _____. - Answers -
When x-rays are _____ by body tissue they cause ionization of atoms and molecules. -
Answers -absorbed
Material that allows x-radiation to pass through is termed _____. - Answers -radiolucent
