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Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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. If there's no object in the way of an x-ray - the picture would be






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






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






4. This pertains to the size of the electron cloud and thus directly to the number of x-ray produced






5. These cells are the most sensitive to radiation






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






7. Is the device which restricts (narrows) the beam of x-rays as they leave the x-ray machine






8. What are the 2 types of anodes






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






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






11. The distance from the x-ray tube to the x-ray machine is the SID (source image distance) - or the FFD (also known as....)






12. Between density and kVp






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






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






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






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






17. Incorrect grid focus is one reason for






18. Calcium tungstate - rare earth elements






19. Is influenced by quantity of x-rays(mAs) - quality of x-rays (kVp) - type and thickness of tissue being x-rayed






20. The greater the number of electrons released






21. What type of cystogram uses air and hypaque






22. Amount of radiation a person can recieve in a calendar year






23. Positive contrast agents appear what color on a radiograph






24. Pigments tend to decrease the lateral spread of light so there is increased detail






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






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






27. What is one of the most common areas of occurance for spinal problems ( 85% dachshunds)






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






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






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






31. With the heel effect - more x-rays tend to be in the beam toward this end of the tube






32. If there's bone in the way of an x-ray -. those parts would be






33. AgBr + x-rays =






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






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






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






38. Monitors personal exposure to radiation






39. Weakness






40. General purpose film - forgiving






41. Collimator






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






43. An abdominal radiograph should be taken at the peak of expiration






44. A clear protective layer on radiographic film






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






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






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






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






49. Infection of a disk - or bone near it






50. MAs for extremities







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