Tu - Role, CT, radiation protection lectures Flashcards
What does ICRP stand for?
International Comission on Radiological Protection
What does ALARA in radiology stand for?
As low as reasonably achievable
What kind of things does deterministic effects damage?
Cells
What kind of things does stochastic effects damage?
DNA
Effects of deterministic effects (do/do not) vary widely between people
Do not vary widely
Effects of stochastic effects (do/do not) vary widely between people
Do vary widely
What kind of effects are: hair loss, erythema, stare in radiology?
Deterministic
What kind of effects are: malignity, genetic damage in radiology?
Stochastic
What does the equivalent dose account for? What is the unit?
Different types of radiation, Sv
What does the stochastic dose account for? What is the unit?
Different sets of organs, Sv
What is the square distance law?
The farther away you are from the radiation, the less radiation you will get, it’s a squared equation.
What happens to the contrast and dose in X-rays when the kV goes up?
Contrast down, dose down
What happens to the contrast and dose in X-rays when the mA/mAs goes up?
Contrast stays constant, dose goes up
What happens to the contrast and dose in X-rays when they add pulses?
Contrast stays constant, dose goes up
What happens to the contrast and dose in X-rays when they add a filter?
Contrast down, dose down
