What are the two classification types of radiation effects?
short-term
longt-term
following the latent period, effects that are seen within minutes, days, or weeks, are termed:
short-term effects
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
a short term affects that includes nausea, vomitting, diarrhea, loss of hair, and hemorrhage
acute radiation syndrome (ARS)
are short-term affects applicable to dentistry?
NO
effects that appear after years, decades, or generations are termed:
long-term affects
affects associated with small amounts of radiation absorbed repeatedly over a long period of time
long-term affects
repeated low levels of radition exposure are linked to what 3 conditions?
induction of cancer
birth abnormalities
genetic defects
What are 2 classifications that all cells in the body can be classified as?
somatic or genetic
all cells in the body except reproductive cells
somatic
the reproductive cells in the body
genetic
affects that are seen in the person irradiated and are not passed down to future generations
somatic affects
What are 3 major somatic effects of radiation exposure?
induction of cancer, leukemia, and cataracts
affects that are not seen in the person irradiated, but passed on to future generations
genetic affects
true or false. genetic damage can be repaired
FALSE, it CANNOT be repaired
What components of the cell may be affected by ionizing rdiation?
nucleus
cytoplasm
entire cell!
Which is more sensitive to radiation, the cell nucleus, or cytoplasm?
nucleus
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
a cell that is sensitive to a radiation
radiosensitive
a cell that is resistant to radiation
radioresistant
The response of a cell to radiation exposure is determined by what 3 things?