Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
|
Two Types of Radiation Effects? |
ACUTE and CHRONIC Acute: Usually due to accidents or Therapy. The severity of the effect dose is dependent. Also called non stochastic or deterministic. Chronic: can be caused by many things. Severity is not dose dependent and also called stochastic or probabilistic. |
|
|
Where does radiation come from? For patients and (you) the radiographer? |
Patients: The majority of exposure comes from CT Scans. Radiographer: The majority comes from Fluoroscopy and mobile (portable procedures). BOTH: Are getting environmental exposure at all times. |
|
|
What does ALARA stand for? |
As Low As Reasonably Achievable |
|
|
Cordial principle in Radiation Protection? |
Distance, Time and Shelling |
|
|
(RAD) Stand for? |
Radiation Absorbed Dose Old System |
|
|
What does Grey mean? |
SI Unit absorbed New System |
|
|
Name some historical population that have been studied? |
Early Radiation Workers Radium Dial Painters Uranium Miners Atomic Bomb Survivors Survivors of 3 Mile Island and Chernobyl |
|
|
Radiation from the tube is measured with? |
Coulmb/Kg or Roentgen (R) |
|
|
REM Means? |
Roentgen Equivalent Man (old) |
|
|
Occupational Exposure limit per Year? |
.5 Rems (5,000 mrem) 1 rem x age = cumulative |
