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






2. What type of cystogram uses air and hypaque






3. Affects both density and contrast






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






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






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






7. Safe Operating Procedures






8. If the kVp is too low






9. Increase developing time and temp of developing fluid






10. Radiographic signs dont always agree with what






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






12. Is to the right - it produces the electrons






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






14. If you use an mA of 300 - What time fraction must i use to get an mAs of 10?






15. Another result of the 20 degree angling






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






17. If the kVp is increased by 15% - the density is doubled






18. Aluminum filter






19. With the heel effect - more x-rays tend to be produced toward the cathode end






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






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






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






23. Between density and kVp






24. When the density difference is great - there is






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






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






27. Screens are classified according to






28. Dislocations or separations






29. Between density and mAs






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






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






32. These crystals will turn white/clear when processing film






33. Must change if the FFD changes






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






35. 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






36. Radiograph of a dogs skeleton has a long scale of contrast






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






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






39. Improper centering of grid is one reason for






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






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






42. Refers to the 'blackness' of a radiograph






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






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






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






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

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47. Is the electrical current that heats the filament






48. Infection of a disk - or bone near it






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






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