What is The heart of the x-ray generating system is the?
100
Metal restorations
Which of the following structures will appear radiopaque on dental x-ray film?
100
Small lymphocytes
Which of the following tissues has the highest radiation sensitivity?
100
Cataracts
Leukemia
Cancer
Which of the following is an example of cumulative radiation exposure?
100
disclosure.
The process of informing the patient about the nature and purpose of dental imaging is termed: .
200
refers to x-radiation that is created when the primary beam interacts with matter.
What is Secondary radiation:
200
radiolucent; radiopaque
What is The term _____ is used to describe areas that appear dark on the image; _____ is the term used to describe areas that appear white or light gray.
200
Muscle
Which of the following organs are not more sensitive to x-rays and therefore not considered critical organs?
200
sharpness.
How well the image reproduces fine detail or distinct outlines of an object is called:
200
Fixing
_____ hardens the film emulsion during film processing.
300
using the coin test.
What is The safelight in the darkroom can be tested by:
300
contrast.
What is The range of shades of gray between black and white on an image is called:
300
Genetic cell
Damage to which type of cell is passed on to future generations?
300
focal spot
What is The location where x-rays are produced in the x-ray tube is called the:
300
straight white
What is Developer cutoff will result in a _____ border.
400
bisecting
The _____ technique may be used in some situations such as a small mouth, shallow palate, or the presence of tori.
400
penumbra; limiting movement
What is The fuzzy or blurred area around an image is called the ____. It can be reduced by ____.
400
National Council on Radiation Protection and Measurements
Which council determines the radiation effects and levels tolerable for humans?
400
less equipment
Automatic film processing requires _____ than manual film processing.
400
Develop, rinse, fix, wash, dry
Which is the correct order of steps in manual film processing?
500
identifying objects embedded in the bone
detecting retained root tips, impacted teeth and lessions
Radiographic images on an edentulous patient might be required for:
.
500
latent period
What is The time lapse from x-ray exposure until noticeable damage occurs is known as:
500
erythema.
What is One of the earliest signs of overexposure to x-rays may be:
500
reduce film fogging
What is The purpose of the lead foil in the dental film packet is to:
500
light
Solutions should have been changed in the processor one week ago. Continuing to use exhausted developer will result in ____ films.