Unit 2

7. single-strand macromolecule
9. help the cell recover from radiation-induced damage
10. key component of genetic material
15. most common personnel dosimeter that is read by laser light
17. instrument that serves as a baseline
18. makeup 15% of cellular content
19. type of radioinsensitive cell
22. theory based on sensitive cellular points that that when struck by radiation, result in biologic damage
24. primary radiation survey instrument for nuclear medicine
26. occurs at temporarily at 2Gy
28. DNA and RNA
29. monosaccharide
30. programmed cell death
31. third phase of mitosis where chromosomes are most vulnerable
33. ionizing particles interact with DNA
34. nicknamed garbage bags
36. carbon, hydrogen, and oxygen
37. dosimeter that should be worn as a secondary monitor
38. severing of one sugar-phosphate chain
41. slowed cellular division
43. cellular division that yields two daughter cells

1. pairs with thymine
2. depression that occurs at whole body doses of 0.25 Gy
3. most radiosensitive trimester of pregnancy
4. contains genetic information
5. abbreviation for tissue's increased sensitivity when not under anoxic conditions
6. detects alpha and beta radiation
8. a type of purine
11. personnel dosimeters measure this type of exposure
12. powerhouse of the cell
13. directs cellular activity
14. fraternal twins
16. not containing carbon
20. abbreviation for comparing differing radiation LET to biologic reaction
21. ionization chamber survey meter
23. a type of inorganic substance
25. ionizing particles interact with water and produce toxic chemicals
27. level at which a dosimeter should be placed
31. results from a DNA base change
32. highly specialized cells
35. cellular division that reduced chromosomes by half
39. personnel dosimeter that can be read at an imaging facility
40. abbreviation for energy deposited per length of track
42. provides essential substances for growth and development