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Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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. These cells are the most sensitive to radiation






2. MAs for extremities






3. The focused grid is upside down - is one reason for






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






5. Safe Operating Procedures






6. We are supposed to use a grid if the abdomen is greater than or equal to......






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






8. Film with silver crystals that is more sensitive to fluorescent light emitted from intensifying screens than to ionizing radiation






9. What must have little or no 'afterglow'






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






11. MAs for ANY part - when using a grid 3x= ?






12. Lung tissue appears black (radiolucent) on a radiograph






13. AgBr + x-rays =






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






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






16. If there's bone in the way of an x-ray -. those parts would be






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






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






19. Must increase.....to compensate for x-ray absorption by the grid. (we triple our mAs)






20. Slowly growing dividing cells are the most sensitive to the effects of ionizing radiaton






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






22. Radiographic signs dont always agree with what






23. What are the 2 types of anodes






24. Lead equivalent for thyroid sheild






25. What needs to have high levels of x-ray absorbtion






26. Grid helps reduce the amount of......






27. Increase what value to penetrate thick body parts






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






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






30. The 2 types of collimators are






31. The type of collimator that we have here






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






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






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






35. Increased crystal size.....






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






37. Is determined by the ratio of the height of the lead strips to the distance between them






38. Affects both density and contrast






39. What is the term for the spotty appearance on the film due to the large crystals in the screens






40. Has a positive charge






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






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






43. These screens are the most common type - they give good resolution with relatively low exposure






44. Monitors personal exposure to radiation






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






46. What type of film has the x-rays directly cause the latent image to be formed






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






48. With this procedure - no x-ray film is involved at all






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






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







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