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. Ideally is very small






2. Calcium 'bridges' between adjacent vertebrae






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






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






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






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






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






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






9. Longer wavelengths of electromagnetic radiation have more penetrating power






10. Incorrect grid focus is one reason for






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






12. Film with: ultra speed - grainier image - less exposure needed






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






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






15. These screens are the most common type - they give good resolution with relatively low exposure






16. The 2 types of collimators are






17. If there's metal in the way of an x-ray - than no x-rays will get through and that part would be






18. Between density and kVp






19. When the AgBr reacts and ionizes with light or x-rays - than at this point - What is on the film is known as the






20. The shorter the wavelength of the x-ray - the more powerful the x-ray is






21. The picture formed after the film has been exposed to x-rays and then processed into a visible image.






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






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






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






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






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






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






28. Body cells affected - damage seen during lifetime of creature - can be immediate or cummulative






29. What specific part of the eye is cloudy with a cataract






30. 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






31. Extra pain is also called






32. These cells are the most sensitive to radiation






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






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






35. Has a positive charge






36. The back of the cassette is made of lead to decrease....






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






38. Areas on film that should be black but come out grey - due to storage






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






40. Collimator






41. Rotating anode






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






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






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






45. This is inversely proportional to screen speed






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






47. What is the term for an unknown cause






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






49. Crystals + x-rays = ?






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