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






2. Is on the anode and is angled at approximately 20 degrees from vertical






3. On a lateral view of the chest the aorta is dorsal to the caudal vena cava






4. A type of electromagnetic radiation which have a shorter wavelength than visible light






5. Within the collimator outlines just how much is collimated






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






7. What are the 2 types of anodes






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






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






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






11. Can cause damage to living cells through the process of excitation or ionization of electrons in the orbits around atoms






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






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






14. Incorrect grid focus is one reason for






15. What type of film gives more detailed radiographs but more exposure to everyone involved? (commonly used as dental film - or for extremities)






16. Is the source of electrons






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






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






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






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






21. A lightproof encasement designed to hold x-ray film and intensifying screens in close contact






22. 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)






23. What type of film has no screens or film cassettes






24. AgBr + x-rays =






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






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






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






28. What must have little or no 'afterglow'






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






30. What type of bone tumors started in the location they were first found






31. Dislocations or separations






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






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






34. Between density and mAs






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






36. There are......intensifying screens within a cassette






37. Refers to the 'blackness' of a radiograph






38. Screens are classified according to






39. What is the term for an unknown cause






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






41. The type of collimator that we have here






42. Another result of the 20 degree angling






43. Why do we not give atropine with a contrast radiograph






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






45. Lead equivalent for apron






46. When a body part is greater than or equal to.....you should use a grid






47. Monitors personal exposure to radiation






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






49. Positive contrast agents appear what color on a radiograph






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