Week 2 Flashcards
(20 cards)
ALARA Cncept
Keep radiation “As Low As Reasonably Achievable”.
Anode
Positive electrode in x-Ray tube.
Atom
Basic unit of matter.
Cathode
Negative electrode in x-Ray tube.
Central Ray
X-rays at the center of the beam.
Contrast
Degrees of blackness on an image.
Density
Overall darkness or blackness of an image.
Dental Radiaiography
Recording images of the oral cavity using x-rays.
Dose of Radiation
Amount of energy absorbed by tissues.
Electron
Negatively charged particle in an atom.
Energy
Ability to do work
Genetic Effects
Effects of radiation passed down through genetic cells.
Ionization
Electrons removed from atoms.
Kilovoltage peak (kvP)
Highest voltage used during x-Ray.
Latent period
Time between exposure to x-Ray and sign of symptoms
Magnification
Enlargement of an image.
Matter
Anything that occupies space.
Milliampere
Used to describe intensity of electrical current.
Photon
Bundle of pure energy with no mass or weight.
Primary beam
Most penetrating beam at target of anode.