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






2. Is the electrical current that heats the filament






3. Negative contrast agents appear what color on a radiograph






4. Extra pain is also called






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

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






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






8. Redness of the skin






9. This gives you the desired mAs - and it gives less time for your patient to move






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






11. If the kVp is too high






12. What type of cystogram uses air and hypaque






13. Is responsible for the number or quantity of x-rays






14. Bone infection - also known as spondylitis






15. General purpose film - forgiving






16. Is located in a focusing cup made of molybdenum which has a high melting point and helps to direct the electrons produced toward the cathode






17. Is the most common artifact in radiography






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






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






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






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






22. This number in santes' rule refers to the distance the x-ray tube is from the x-ray film






23. Rotating anode






24. If the thorax is greater than or equal to....you should use a grid






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






26. Compound of silver and bromine - chlorine - or iodine - all of which are in the halogen group of elements






27. What is the term for an unknown cause






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






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






30. MAs for extremities






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






32. This is used to take 'real-time' radiographs - used a lot in horses






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






34. Screens are classified according to






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






36. Monitors personal exposure to radiation






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






38. The type of collimator that we have here






39. AgBr + light =






40. AgBr + x-rays =






41. Within the collimator outlines just how much is collimated






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






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






44. What is the name for the cartilage flap in the shoulder joint that has broken free and is floating around in the joint fluid






45. Is to the right - it produces the electrons






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






47. Is to the left - electrons bounce off it at a 20 degree angle






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






49. To double the density






50. Improper centering of grid is one reason for