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






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






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






4. DJD is also called






5. When.....collide with the anode - 99% of energy is released in the form of heat - and 1% of energy is in the form of x-rays






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






7. Rotating anode






8. Size film we use here






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






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






11. MAs for abdomen (standard mAs) x=?






12. Has a positive charge






13. Give a 25% barium solution for upper GI series - and give At what dose?






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






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






16. Is the source of electrons






17. Positive contrast agents appear what color on a radiograph






18. Must be radiolucent






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






20. If the kVp is too low






21. Radiographic signs dont always agree with what






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






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






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






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






26. Another result of the 20 degree angling






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






28. General purpose film - forgiving






29. Negative contrast agents appear what color on a radiograph






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






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






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






33. If the kVp is too high






34. Collimator






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






36. What are the 2 types of anodes






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






38. The greater the number of electrons released






39. Lead equivalent for thyroid sheild






40. What is the term for a negative contrast cystogram where we inject air






41. Redness of the skin






42. Has a filament made of tungsten - due to the high melting point






43. Outer layer of disk ( dries out and cracks and causes disk to herniate)






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






45. AgBr + light =






46. A living animal - with tissue densities such as fat - muscle - fluid - and air






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






48. Must change if the FFD changes






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






50. Less forgiving - high contrast - cannot tolerate changes in exposure or processing