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. Negative contrast agents appear what color on a radiograph






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






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






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

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






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






7. If there's far or muscle in the way of an x-ray - those parts would be






8. Redness of the skin






9. What is the term for an unknown cause






10. 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






11. Grid helps reduce the amount of......






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






13. Types of cell damage






14. Incorrect grid focus is one reason for






15. Measures the power of penetrability (quality) of the x-rays produced






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






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






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






19. Are produced when electrons are slowed down or stopped by atoms in the target area where they are aimed






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






21. Lung tissue appears black (radiolucent) on a radiograph






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






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






24. To double the density






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






26. Weakness






27. On a lateral view of the chest the aorta is dorsal to the caudal vena cava






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






29. Within the collimator outlines just how much is collimated






30. Between density and mAs






31. This is inversely proportional to screen speed






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






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






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






35. Must increase.....to compensate for x-ray absorption by the grid. (we triple our mAs)






36. Affects both density and contrast






37. To utilize this - you position the thickest part of the animal towards the cathode end of the x-ray tube






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






39. What are the 2 types of anodes






40. 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






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






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






43. When more electrons hit the focal spot on the anode






44. Radiographic signs dont always agree with what






45. Is the most common artifact in radiography






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






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






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






49. A type of electromagnetic radiation which have a shorter wavelength than visible light






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