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. Types of cell damage






2. What is the term for an unknown cause






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






4. Radiograph of a dogs skeleton has a long scale of contrast






5. To double the density






6. A clear protective layer on radiographic film






7. Extra pain is also called






8. Is influenced by quantity of x-rays(mAs) - quality of x-rays (kVp) - type and thickness of tissue being x-rayed






9. Cassettes can be made of.....Which is the type here - or they can be made of magnesium - vinyl - etc






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






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






12. Safe Operating Procedures






13. Gelatinous center of disk - pinches spinal cord to cause herniated disk






14. Distance from the grid to the x-ray tube (36-40 inches)






15. Grid helps reduce the amount of......






16. When processing film - the black areas are made of






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






18. Ideally is very small






19. This gives you the desired mAs - and it gives less time for your patient to move






20. What type of films need a lot more x-ray exposure and more time to expose them






21. A layer of intensifying screen that reflects the light from the phosphor layer toward the film






22. A...is a series of lead strips on edge which only allow the primary x-rays - which are traveling in straight lines - reach the film






23. Body cells affected - damage seen during lifetime of creature - can be immediate or cummulative






24. Affects both density and contrast






25. Tilting of the tube or grid is one reason for






26. If the x-ray tube is not 36-40 inches from the grid - this is called the






27. What is the difference between fluoroscopy and a regular radiograph






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






29. Types of grids






30. Refers to the 'blackness' of a radiograph






31. Sheets of luminescent phorphor crystals on a cardboard or plastic base






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






33. Aluminum filter






34. Calcium tungstate - rare earth elements






35. Is the device which restricts (narrows) the beam of x-rays as they leave the x-ray machine






36. Increased crystal size.....






37. 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)






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






39. DJD is also called






40. 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






41. Is only 1/3 the size of the actual focal spot






42. The shorter the wavelength of the x-ray - the more powerful the x-ray is






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. They don't move - they're found in dental units and portable units - cannot withstand the heat produced from large units






45. Infection of a disk - or bone near it






46. Screens are classified according to






47. An invisible image on the x-ray film Which becomes visible after it has been processed in the manual or automatic processor






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






49. Film that is more sensitive to ionizing radiation than to fluorescent light






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