Exam 1 Terminology Flashcards
Time between exposure to ionizing radiation and apperance of symptoms
latent period
Lead Apron
device used to protect the reproductive and blood-forming tissues from scatter radiation
matter
anything that occupies space and has form or shape
penumbra
blurred or indistinct area that surrounds an image
photon
Tiny bundle of pure energy that has no weight or mass
Primary beam
most penetrating beam produced at the target of the anode
Radiation
forms of waves of energy emission through space or material
Radiograph
image produced on photosensitive film by exposing the film to radiation and then processing it
Sharpness
measure of how well an image reproduces the fine details or outline of an object
Contrast
differences in degrees of blackness on an image
Control panel
portion of the x-ray unit that contains the master switch, the indicator light, the selector buttons, and the exposure button
Density
overall darkness or blackness of an image
Dental Radiography
process of recording images of the teeth and adjacent structures by exposure to x-radiation
Distortion
change in the size of an image caused by incorrect vertical angulation
Dosimeter
device used to detect and measure an accumulated dosage of radiation