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. Extra vertebrae - scoliosis - fused vertebrae are all examples of






2. AgBr + x-rays =






3. Bone infection - also known as spondylitis






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






5. Ideally is very small






6. The x-ray machine we've been using has a rotating anode






7. What spinal problem do doberman's get






8. The effective focal spot is only 1/3 the size of the actual focal spot. this is called the






9. Increased crystal size.....






10. When more electrons hit the focal spot on the anode






11. The 2 types of collimators are






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






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






14. Longer wavelengths of electromagnetic radiation have more penetrating power






15. In which processing solution do unionized (green) AgBr crystals get removed from the film






16. If the kVp is too high






17. Has a positive charge






18. X-ray machines come with a set one - we cannot adjust it






19. The picture formed after the film has been exposed to x-rays and then processed into a visible image.






20. Old mAs x (new FFD)2 divided by (old FFD)2






21. A device that moves the grid back and forth under the table. it helps to prevent grid lines from showing






22. The distance from the x-ray tube to the x-ray machine is the SID (source image distance) - or the FFD (also known as....)






23. Negative contrast agents appear what color on a radiograph






24. X-ray gloves have to have....of lead equivalent






25. 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






26. What gives off 4 times the amount of light photons than does the calcium tungstate (it gives off green light)






27. Increase mAs and kVp in order to...






28. Film with: high detail - minimal graininess - increased exposure






29. Areas on film that should be black but come out grey - due to storage






30. Types of grids






31. These screens have increased definition/detail - need to have increased radiation exposure






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






33. Most commonly used film - compromise between graininess and speed (detail)






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






35. Does move - has disks that rotate at high speeds - this helps spread out the heat that's produced as the electrons hit the focal spot






36. This stage of pregnancy is the most dangerous for the fetus






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






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






39. 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)






40. Is the density difference between 2 adjacent areas on a radiograph






41. Another result of the 20 degree angling






42. Positive contrast agents appear what color on a radiograph






43. Film with: ultra speed - grainier image - less exposure needed






44. We should always try and stay How many feet from our x-ray machine






45. Increase what value to penetrate thick body parts






46. MAs for extremities






47. Bone - lymphatic cells - epitheilial - and hemopoietic cells are also what kind of cell?






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






49. If there's far or muscle in the way of an x-ray - those parts would be






50. We ideally take a radiograph of the abdomen at the peak of inspiration