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. Must change if the FFD changes






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






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






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






5. Legally - a non-pregnant woman is required to hold a HBC dog for radiographs in NYS






6. Infection of a disk - or bone near it






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






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






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






10. What are the 2 types of anodes






11. Redness of the skin






12. The type of collimator that we have here






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






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






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






16. KVp=(2x thickness of body part in cm) + 40

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17. The exact area of the anode that the electrons hit






18. What needs to have high levels of x-ray to light conversion with the correct energy and color for the type of film used






19. Loss of movement in legs (front and/or back)






20. What gives off 4 times the amount of light photons than does the calcium tungstate (it gives off green light)






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






22. What is the term for when the animal's bowel engulfs a piece of bowel distal to it - causing blockage






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






24. A grid must be used on the chest if it's 11cm thick






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






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






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






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






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






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






31. Radiographic signs dont always agree with what






32. To double the density






33. DJD is also called






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






35. The electrical current sent through the filament to cause this electron release is called






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






37. As this increases - the intensity of the x-ray beam decreases - so the beam intensity increases - and the mAs must decrease to compensate






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






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






40. X-ray gloves have to have....of lead equivalent






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






42. What is one of the most common area of occurance for spinal problems (15% dobermans)






43. Rotating anode






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






45. General purpose film - forgiving






46. Collimator






47. Growth - gonadal - neoplastic - and metabolically active cells are what kind of cells






48. When doing a lateral radiograph of the thorax/chest - the x-ray beam should be centered over what specific anatomical landmark






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






50. Lead equivalent for thyroid sheild