Across
- 3. process of weighing usefulness of dental images against exposure risk
- 5. large dose of radiation received at one time
- 11. measures that reduce dose to the patient
- 15. traditional unit for absorbed dose of radiation
- 16. molecule in the nucleus most sensitive to ionizing radiation
- 17. small doses of radiation absorbed repeatedly over time
- 19. main x-ray beam emitted from the tubehead
- 21. radiation effects passed on to future generations
- 22. protective shield worn to block scatter radiation
- 24. measures ionization of air from x-rays
- 28. effects that appear within minutes, hours, or days after exposure
- 29. walls or shields that prevent operator exposure
- 31. how susceptible a cell is to radiation damage
- 32. lead plate that limits size and shape of x-ray beam
- 34. aluminum disk that removes low-energy x-rays
- 38. variation in how different tissues respond to radiation
- 39. cells that are less affected by radiation
- 40. stand 6 feet away and 90–135 degrees from the beam
- 41. effects that have a threshold, severity increases with dose
- 43. SI unit for absorbed dose of radiation (1 Gray = 100 rad)
- 45. systems used to quantify radiation dose or exposure
- 46. effects that occur by chance, like cancer or genetic mutations
- 47. damage to cells or tissues caused by ionizing radiation
- 48. radiation created when primary beam hits matter
- 49. organ that, if damaged, affects overall health of the body
- 50. protective device that shields the thyroid gland
- 51. cells that are more easily damaged by radiation
Down
- 1. SI unit for biological dose equivalent (1 Sv = 100 rem)
- 2. secondary radiation deflected from its original path
- 4. radiation effects seen in the exposed person only
- 6. radiation dose that can produce damage even at very low levels
- 7. natural radiation from the environment
- 8. total amount of radiation a person receives over time
- 9. SI unit for measuring radiation exposure in air
- 10. helps detect disease early while using minimal exposure
- 12. device that monitors occupational radiation exposure
- 13. effects that develop years or decades after exposure
- 14. study of the effects of ionizing radiation on living tissue
- 18. time after exposure when cells repair radiation damage
- 20. safety rules to reduce exposure to dental staff
- 23. time between radiation exposure and appearance of effects
- 25. device that holds receptor and keeps fingers out of beam
- 26. repeated exposure leading to build-up of damage over time
- 27. traditional unit for biological dose equivalent
- 30. comparison of diagnostic value versus potential radiation harm
- 33. principle meaning keep exposure “As Low As Reasonably Achievable”
- 35. graph showing the relationship between dose and damage
- 36. radiation from artificial sources like medical x-rays
- 37. cell or tissue breakdown caused by radiation
- 42. minimum radiation dose at which damage begins to occur
- 44. unstable molecule formed by ionization that can damage cells