Term
| What happens to cell sensitivity response when irradiated |
|
Definition
| Nothing, the cell sensitivity only appears to be affected. Cell charatcteristics cannot be changed, they are inherent. Only the outcome is changed |
|
|
Term
| What are the three groups of factors affecting cell outcome |
|
Definition
Physical
Chemical
Biologic |
|
|
Term
|
Definition
RBE = Dose in 250 kVp / to dose of test radiation
Measured in Gy |
|
|
Term
|
Definition
| How many times is the test radiation effect than the Xray radiation |
|
|
Term
| What type of shoulder will a survival curve with High Let have |
|
Definition
|
|
Term
| What type of shoulder with low LET radiation have on a survival curve |
|
Definition
|
|
Term
State the law of Bergonie & Tribondeau
Ionizing radiation is more effective against..... |
|
Definition
| .... cells that are rapidly dividing, undifferentiated, and have a longer dividing future. |
|
|
Term
State the Law of Ancel anf Vitemberger....
All cells will be...... |
|
Definition
| Damaged to the same extent for a given dose, but damaged will only be expressed if and when a cell divides |
|
|
Term
Which of these are radio sensitive
Stem cells
Embryonic tissue
epithelium
bone marrow stem cells
neurons
muscle cells |
|
Definition
stem cells
embryonic tissue
epithelium
bone marrow stem cells
|
|
|
Term
Which one of these is a undifferentiated cell
spermatogonia or spermatozoa |
|
Definition
|
|
Term
| What are three categories that stem cell populations are divided in to |
|
Definition
|
|
Term
Which of the three populations will experince these characteristics
May or may not divide
cell on the way to one place or another
|
|
Definition
|
|
Term
| What are the five categories that cells are divided into according to the radiosensitivity |
|
Definition
|
|
Term
| What are three categories of assays or examinations used to compare responses of different tissues to radiation |
|
Definition
clonogenic
Specific tissue function
lethality |
|
|
Term
| Is a lethality essay considered clonogenic |
|
Definition
|
|
Term
| What is the most used Assay |
|
Definition
|
|
Term
| What three things can happen after a cell is exosed to radiation |
|
Definition
Division Delay
Interphase Death
Reproductive Failure |
|
|
Term
| Cell survival curves describe the relationshiop between ________ and __________ |
|
Definition
| Radiation Dose and Proportion of cells that survive |
|
|
Term
| What are the two types of damage repair |
|
Definition
| Sublethal and Potentially lethal |
|
|
Term
| How is RBE calculated on Cell Survival curves |
|
Definition
|
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