CH1
Terrestrial Radiation results from deposits of_____,_____,_____.
1. uranium
2. thorium
3. other radionuclides.
___________ is the kinetic Energy transferred from photons to electron during ionization and excitation.
Air Kerma (Gya)
The largest source of natural enviornmental radiation is______?
Radon
_________ is the biologic effects usually related to radiation absorbed dose in tissue.
Absorbed Dose (Gyt)
_______is radioactive gas that is produced by the natural radioactive decay of uranium.
Radon.
The 3 general types of x-ray examinations are_______, ________, _______.
1. radiography
2. Fluoroscopy
3. Computed tomography (CT)
_______ restricts the useful x-ray beam to that part of the body to be imaged and thereby spares adjacent tissue from unnecessary radiation exposure.
Collimation.