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






2. Aluminum filter






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






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






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






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






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






8. Size film we use here






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






10. Improper centering of grid is one reason for






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






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






13. Grid helps reduce the amount of......






14. Is the electrical current that heats the filament






15. Longer wavelengths of electromagnetic radiation have more penetrating power






16. Collimator






17. Means more electrons will be released from the filament and directed at the anode






18. In the dark room - the safe light (red light) needs to be at least how far away from the loading bench






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






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






21. Is the most common artifact in radiography






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






23. If perforation is suspected - what compound do we use when radiographing






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






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






26. Crystals + x-rays = ?






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






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






29. If barium leaks into the abdomen or lungs - it can cause what






30. General purpose film - forgiving






31. Types of cell damage






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






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






34. Bone infection - also known as spondylitis






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






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






37. What are the 2 types of anodes






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






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






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






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






42. What type of cystogram uses air and hypaque






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






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






45. Pigments tend to decrease the lateral spread of light so there is increased detail






46. With what kind of typical film do we get 95% exposure due to visible light and 5% is due to the x-rays directly






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






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






49. If there's no object in the way of an x-ray - the picture would be






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







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