X-Ray Exam Questions PDF

1. The intensification factor of the c. speed screen refers to their: d. emulsion a. speed b. resolution 4. When was x-ray discovered? c. lag d. density a. Nov 8, 1985 2. Which o...

1. The intensification factor of the c. speed screen refers to their: d. emulsion a. speed b. resolution 4. When was x-ray discovered? c. lag d. density a. Nov 8, 1985 2. Which of the following b. Nov 8, 1895 contributing factor in producing c. Dec 6, 1985 recorded detail? d. Dec 6, 1895 a. grid ratio 5. Gamma rays were characterized b. Screen speed to have _______ wavelength c. kVp d. mAs a. short wavelength b. long wavelength 3. The average gradient of a c. medium wavelength characteristic curve gives a good d. an absence of wavelength indication of the film? a. contrast 6. The remnant beam carries a b. density signal in a form of areas of different radiation intensities under different c. subject contrast tissues. Thus is caused by? d. distortion a. quantum mottle b. heterogeneity 9. Definition as applied to c. noise radiography refers to: d. subject contrast a. Sharpness or clarity of the image 7. The result of differential b. variability of densities in the absorption by tissues of varying image densities and thickness termed as: c. range of densities d. degree of latitude visible a. film contrast b. subject contrast 10. Which of the following houses c. radiographic contrast the anode and cathode assembly d. scale contrast a. glass envelope b. focusing cup 8. It is regulated by the quality of c. filament x-ray photons d. focal track a. density b. detail 11. Glass envelope which can b. alloy withstand the tremendous heat c. copper generated, is usually made of? d. cesium a. pyrex 14. The decrease in exposure rate b. glass caused by passage through material c. copper is known as: d. metal a. absorbed dose 12. This tube was a vacuum tube b. attenuation and allowed x-ray intensity and c. remnant radiation energy to be selected separately d. depth dose and greatly with great accuracy. 15. The reduction in x-ray photon a. crookes tube intensity as it passes through b. coolidge tube material is termed as: c. vacuum d. x-ray tube a. absorption b. scattering 13. Which of the following is the c. attenuation most common anode material used? d. divergence a. aluminum 16. The material used as target in b. log relative exposure x-ray tube is: c. optical density d. artifact a. alloy b. copper c. Tungsten 19. May be described as the d. stainless steel relationship between the amount of light transmitted through the 17. Which part of the x-ray tube can radiograph. withstand delivery of a greater amount of heat for a longer period of a. fog time? b. log relative exposure c. optical density a. stationary anode d. artifact b. rotating anode c. induction motor d. focal track 20. Bucky diaphragm is also known as 18. It is referred to as the normal radiographic density. a. high grid ratio b. grid without a ratio or radius a. fog c. grid that moves during exposure d. special type of cone d. 1,2 and 3 only 21. The ability to Image separate 23. Intensity of radiation varies objects and usually distinguish one inversely with the square of the: form another is called: a. object film distance a. contrast b. focal film distance b. density c. distance c. resolution d. source to image receptor distance d. spatial resolution 24. lt is considered as the simplest 22. Disadvantages of using low kVp type of beam restrictor technique factors include: a. aperture diaphragm 1. Insufficient penetration b. cones c. cylinder 2. Increased patient dose d. collimator 3. diminished latitude 25. What are the factors that affect x-ray emission that is under the a. 1 only control of the radiographer? b.1 and 2 only c. 1 and 3 1. distance 2. kVp a. prevent from overexposure b. reduce scattered radiation 3. mAs c. reduce low energy x-rays d. prevent from grid cut-off 4. HVL a. 1,2 and 3 28. Compensating filter is used to: b. 2,3 and 4 c. 1,3 and 4 a. compensate for varying densities d. all of these b. reduce low energy x-rays c. harden the beam 26. Tube housing is designed for d. reduced scattered x-ray what reason? a. help the tube to prolong in use 29. Space charge is: b. prevent leakage radiation c. prevent scattered radiation d. help the technologist in producing a. cloud of electrons liberated during radiation thermionic emission. b. space in x-ray tube 27. Which of the following is the c. charge of electron function of grid? d. charge of cathode  d. SID at which the grid may be 30. Additional exposure in the used solarization point will cause 32. The range of shades of gray on a. magnification image b.reversal of image c. blur of image a. density d. overexposure b. contrast c. filter d. optical density 31. Grid frequency is described as the: 33. An increase of at least 30% in mAs is required to produce a a. height of the lead strips divided significant increase in: by the distance between the lead strips a. contrast b. distance between the lead strips b. density divided by the height of the lead c. detail strips d. magnification c. number of lead strips per inch or centimeter 34. An increase in film density c. recorded detail results from an increase in: d. distortion a. FFD 37. Which of the following has the b. grid ratio greatest effect on recorded detail? c. mAs d. OFD a. focal spot size b. mAs 35. Which of the following will cause c. anode target angle loss of recorded detail? d. kVp a. subject density changes 38. Which of the is increased by b. mAs changes. decreasing part thickness? c. kVp changes d. subject motion a. density b. contrast 36. Which radiographic quality factor c. recorded detail can be described as d distortion misinterpretation of the size and shape of a structure? 39. Which filtration includes the collimator structures and mirror and a. contrast thin sheets of aluminum? b. density a. added filtration 42. When long wavelength rays b. inherent filtration interact with thin body parts, the c. compensating filter result is: d. port filtration a. long scale contrast 40. No practical amount of mAs can b. high scatter production compensate for inadequate: c. decrease definition d. short scale contrast a. milliamperage b. kilovoltage 43. When radiographing the c. measurements abdomen, which of the following d. time would decrease the production of scatter radiation? 41. Which of the following has the purpose of blurring the grid lines? a. increased kilo voltage b. proper collimation a. linear grid c. use of high speed screens b. potter bucky d. use of a small focal spot c. parallel grid d. cross hatched grid 44. Radiographic recorded detail is directly related to: 1. SID c. collimation 2. OID d. motion 3. Image system speed 47. The cause by too great an a. 1 only object-image distance or too short b. 2 only source-image distance is: c. 2 and 3 only d. 1,2 and 3 a. shape distortion b. foreshortening 45. Which of the following exerts c. magnification the greatest control on radiographic d. penumbra definition? 48. Which of the following is the a. mAs greatest adversary of recorded b. kVp detail? c. field size exposed d. size of the tube focal spot a. grid b. unsharpness 46. Radiographic definition is lost c. motion when a film demonstrate excessive: d. patient care a. SID 49. The main advantage of line b. kVp focus principle is the a. large target area b. high speed c. small target area d. x-ray tube preservation 50. An increase in OID will increase ____ a. magnification c. unsharpness b. scattering d. shape distortion