Dental Radiography Practice Exam Questions With Solved Solutions.
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Module
GXMO
Institution
GXMO
milliammeter (mA) - Answer determines the number of electros available to produce x-rays
7-15mA
kilovolt peak (kVp) - Answer force used to move electrons
60-90kVp
tube head - Answer houses mechanical, electrical, and safety components
extension (support) arm - Answer allows ...
Dental Radiography Practice Exam
Questions With Solved Solutions.
milliammeter (mA) - Answer determines the number of electros available to produce x-rays
7-15mA
kilovolt peak (kVp) - Answer force used to move electrons
60-90kVp
tube head - Answer houses mechanical, electrical, and safety components
extension (support) arm - Answer allows for placement of position indicating device and houses
electrical cords that connect the control panel and tube head
position indicating device (PID) - Answer aims the x-rays
round or rectangular
reduces amount of tissue exposed to x-rays
central rays (CR) - Answer x-rays in the center of the useful beam
collimator - Answer lead washer that restricts the size of the x-ray beam
located within the PID
density - Answer amount of light transmitted through the film
dark films have higher density than light films
contrast - Answer difference between shades of the radiograph
short-scale contrast - Answer few gray shades
, many black and white shades
long-scale contrast - Answer many gray shades
many black and white shades
definition - Answer detail
how sharp the outline of structures on a radiograph is
exposure - Answer measurement of ionization in air produced by x-rays
absorbed dose - Answer amount of energy deposited in any matter, living or not
dose equivalent - Answer absorbed dose in living tissue
measured in Sv and rems
latent period - Answer period of time before the first clinically observable symptoms occur
exposure, latent period, period of injury, recovery period - Answer four stages of exposure
acute exposure - Answer produces short-term effects seen within months
chronic exposure - Answer produces long-term effects seen years after exposure
ALARA - Answer as low as reasonably achievable
using the least amount of radiation to get appropriate diagnostic results
artifacts - Answer blemishes or images on the radiograph that are not present in the actual object
scatter radiation - Answer comes from the patient's head
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