Technical Factors
More Technical Factors
Image Processing & Quality Assurance
Image Production & Evaluation
More Image Production & Evaluation
100
Used to test film-screen contact
What is wire mesh?
100
The quality of x-ray photons delivered to the patient in a given exposure is primarily regulated by____
What is mAs?
100
The developer temperature in a 90-second automatic processor is usually about____
What is 90-95 degrees?
100
During film-screen imaging, a latent image is formed____
What is on exposure of the film emulsion?
100
Materials that emit light when stimulated by x-ray photons are called ____
What are phosphors?
200
Misalignment of the tube-part-image receptor relationship results in _____
What is shape distortion?
200
A radiograph that exhibits many shades of gray from white to black may be described as having_____
What is long-scale contrast?
200
The device used to give a predetermined exposure to a film to test its response to processing is called the____
What is sensitometer?
200
The absorption of useful radiation by a grid is called____
What is grid cutoff?
200
The purpose of the automatic processor's transport system is to ____
What is move the film and change its direction?
300
Motion, screen speed, and OID are all related to_____
What is recorded detail?
300
This exposure factor is used to regulate radiographic contrast
What is kVp?
300
The chemical that functions to reduce exposed silver halide grains to black metallic silver is____
What is phenindone?
300
The portion of a CR cassette that records the radiologic image is the____
What is photostimulable phosphor?
300
The reduction in x-ray photon intensity as the photon passes through material is termed ____
What is attenuation?
400
When an intensifying screen continues to glow after the x-ray exposure has ended, the screen is said to possess____
What is lag?
400
Film base is typically made of this material
What is polyester?
400
The conversion of the invisible latent image into a visible manifest image takes place in the ____
What is developer?
400
The process of "leveling and windowing" of digital images determines the image ____
What is contrast?
400
Misalignment of the tube-part-IR relationship results in ____
What is shape distortion?
500
The relationship between the height of the lead strip and the distance between the lead strips defines____
What is grid ratio?
500
This chemical is used in the production of radiographic film emulsion
What is silver halide?
500
Crescent-shaped crinkle mark artifacts on a film are caused by____
What is improper film handling?
500
Unopened boxes of radiographic film should be stored away from radiation and in this position
What is vertical?
500
The technical factor changes that would best serve to remedy the effect of widely different tissue densities is ____
What is high kV exposure factors?
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