Test your basic knowledge |

Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. KVp=(2x thickness of body part in cm) + 40

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2. Crystals + x-rays = ?






3. A grid must be used on the chest if it's 11cm thick






4. Dislocations or separations






5. Lead equivalent for thyroid sheild






6. A clear protective layer on radiographic film






7. If the kVp is increased by 15% - the density is doubled






8. Within the collimator outlines just how much is collimated






9. Is located in a focusing cup made of molybdenum which has a high melting point and helps to direct the electrons produced toward the cathode






10. Weakness






11. Screen speed is.....to the exposure required to cause it to flouresce






12. When the AgBr reacts and ionizes with light or x-rays - than at this point - What is on the film is known as the






13. For bladder cystography - we use what contrast material instead of barium






14. If the grid is stationary - more lines that are finer are less apt to show up on a radiograph - this is called....






15. Loss of movement in legs (front and/or back)






16. MAs for chest 1/2x =?






17. Is the measurement for the maximum energy available at that setting






18. If there's metal in the way of an x-ray - than no x-rays will get through and that part would be






19. This is caused by mutations in gonadal cells - not seen until offspring are produced - mutations are not always bad






20. The efficiency of this reflects light made by phosphors back towards the film






21. White against black - like the x-ray of a plain skeleton






22. Legally - a non-pregnant woman is required to hold a HBC dog for radiographs in NYS






23. Improper centering of grid is one reason for






24. Sheets of luminescent phosphor crystals bound together and mounted on a cardboard or plastic base






25. What is the name for the cartilage flap in the shoulder joint that has broken free and is floating around in the joint fluid






26. As this increases - the intensity of the x-ray beam decreases - so the beam intensity increases - and the mAs must decrease to compensate






27. Amount of radiation a person can recieve in a calendar year






28. General purpose film - forgiving






29. Safe Operating Procedures






30. What must have little or no 'afterglow'






31. The 2 types of collimators are






32. Animal has broken femur - it's ideal to have How many radiographs for diagnostic purposes






33. Increase what value to penetrate thick body parts






34. This is used to take 'real-time' radiographs - used a lot in horses






35. When this is exposed to x-rays - it will absorb photons (quanta) and give off photons of visible light which the film is sensitive to (give off blue light)






36. Is the most common artifact in radiography






37. A living animal - with tissue densities such as fat - muscle - fluid - and air






38. Radiographic signs dont always agree with what






39. The effective focal spot is approximately 1/3 the size of the actual focal spot






40. What is the term for a negative contrast cystogram where we inject air






41. If the thorax is greater than or equal to....you should use a grid






42. What is one of the most common areas of occurance for spinal problems ( 85% dachshunds)






43. What needs to have high levels of x-ray to light conversion with the correct energy and color for the type of film used






44. Aluminum filter






45. Increased thickness of this leads to increased x-ray absorption and increased visible light emission from the crystals






46. MAs for bone views (pelvis - skull - spine) 2x =?






47. This pertains to the size of the electron cloud and thus directly to the number of x-ray produced






48. What specific part of the eye is cloudy with a cataract






49. Faster screens/less detail; slower screens/more detail






50. Positive contrast agents appear what color on a radiograph