1. What are the two classification types of radiation effects?
    • short-term
    • longt-term
  2. following the latent period, effects that are seen within minutes, days, or weeks, are termed:
    short-term effects
  3. Which type of effects are associated with large amounts of radiation absorbed in a short period of time (nuclear accident or atomic bomb)
    short-term effects
  4. a short term affects that includes nausea, vomitting, diarrhea, loss of hair, and hemorrhage
    acute radiation syndrome (ARS)
  5. are short-term affects applicable to dentistry?
  6. effects that appear after years, decades, or generations are termed:
    long-term affects
  7. affects associated with small amounts of radiation absorbed repeatedly over a long period of time
    long-term affects
  8. repeated low levels of radition exposure are linked to what 3 conditions?
    • induction of cancer
    • birth abnormalities
    • genetic defects
  9. What are 2 classifications that all cells in the body can be classified as?
    somatic or genetic
  10. all cells in the body except reproductive cells
  11. the reproductive cells in the body
  12. affects that are seen in the person irradiated and are not passed down to future generations
    somatic affects
  13. What are 3 major somatic effects of radiation exposure?
    induction of cancer, leukemia, and cataracts
  14. affects that are not seen in the person irradiated, but passed on to future generations
    genetic affects
  15. true or false. genetic damage can be repaired
    FALSE, it CANNOT be repaired
  16. What components of the cell may be affected by ionizing rdiation?
    • nucleus
    • cytoplasm
    • entire cell!
  17. Which is more sensitive to radiation, the cell nucleus, or cytoplasm?
  18. Damage to the nucleus affects the chromosomes containing_______ and results in disruption of_______ ______, which in turn may lead to disruption of cell_______ or cell_________
    • DNA
    • cell division
    • function
    • death
  19. a cell that is sensitive to a radiation
  20. a cell that is resistant to radiation
  21. The response of a cell to radiation exposure is determined by what 3 things?
    • mitotic activity
    • cell differentiation
    • cell metabolism
  22. cell division is associated with:
    mitotic activity
    cell differentiation
    cell metabolism
    mitotic activity
  23. cells that divide frequently or undergo many divisions over time are______ sensative to radiation
  24. maturing of cells is associated with:
    mitotic activity
    cell differentiation
    cell metabolism
    cell differentiation
  25. cells that are immature or are not highly specialized are______sensative to radiation
  26. metabolism of cells is associated with:
    mitotic activity
    cell differentiation
    cell metabolism
    cell metabolism
  27. cells that have a higher metabolism are ___ sensative to radiation
  28. What are 3 types of cells that are radiosensitive?
    • blood cells
    • immature reproductive cells
    • young bone cells
  29. what is the cell that is most sensitive to radiation?
    the small lymphocyte
  30. What are 3 types of cells that are radioresistant?
    • mature bone
    • muscle cells
    • nerve cells
  31. true or false. tissues and organs also vary in their sensitivity to radiation
  32. What are 4 examples of radiosensitive organs?
    • lymphoid tissues
    • bone marrow
    • testes
    • intesines
  33. What are 3 example of radioresistant tissues?
    • salivary glands
    • kidney
    • liver
  34. an organ that if damaged diminishes the quality of a person's life
    critical organ
  35. What are 4 examples of critical organs exposed during radiographic procedures in the head and neck region?
    • skin
    • thyroid gland
    • lens of eye
    • bone marrow
Card Set
radiation effects