GXMO Study Exam Questions With Verified Answers

GXMO Study Exam Questions With Verified Answers Which of the following uses magnetic field and radio waves to generate sectional images of the body? - answerMRI- Magnetic Resonance Imaging Which of the following uses radiation to treat cancer tissue? - answerRadiation Therapy Which of the following is specialized imaging of the breast? - answerMammography 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? - answerYes 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? - answerNo Which of the following includes a tray to hold the image receptor? - answerBucky Which of the following limits the size of the radiation field? - answercollimator The __________ is the device that receives the energy of the x-ray beam and forms the image of the body part. - answerimage receptor A type of image receptor that uses a cassette containing a phosphor plate and receives the x- ray beam - answercomputed 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. - answerlaser 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? - answerlongitudinal Which of the following is the correct term for tilting the x-ray table so that the head is lower than the feet? - answertrendelenburg Which of the following controls the penetrating ability of x-rays? - answerkVp Which of the following materials absorbs a high percentage of radiation and is used to make protective apparel ? - answerlead X-rays that pass through the protective lead lining of the tube housing is termed - answerleakage 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? - answerelectron Which of the following describes the particle of an atom that has no electrical charge and resides in the nucleus? - answerneutron Which of the following is the correct term for an electron and a positively charged atom? - answerion pair Which of the following is the correct term for equal in all directions? - answerisotropic Which of the following is the correct term for anything that occupies space and has mass? - answermatter All electromagnetic radiation travels at the same velocity which is _____. - answer186,000 miles/sec The electromagnetic radiation with highest energy is the _____. - answer When x-rays are _____ by body tissue they cause ionization of atoms and molecules. - answerabsorbed Material that allows x-radiation to pass through is termed _____. - answerradiolucent A material with a higher Z-number is: - answera material that is more radiopaque Increased tissue density means: - answera material that is more radiopaque Which term refers to the emission of x-rays equally in all directions? - answerisotropic Which of the following is NOT a possible reaction of x-rays and matter? - answerreflection Which of the following is negatively charged? - answercathode Which of the following contains the filament? - answercathode Which of the following often contains small and large filaments (dual focus) within a focusing cup - answercathode 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? - answerBremsstrahlung X-Ray Which of the following is the correct term for an area of the target with which electrons interact? - answerfocal spot