Lesson 1 Flashcards
Refers to fidelity with which anatomic structures being examined.
Radiographic Quality
Faithfully produces structures and tissues.
High-quality Radiograph
What are the most important characteristics of radiographic quality?
Spatial Resolution
Contrast Resolution
Noise
Artifacts
Ability to image small objects.
Spatial Resolution
Ability to image 2 objects and visually distinguish one from the other.
Resolution
Spatial Resolution improves what?
Screen Blur Decreases
Motion Blur Decreases
Geometric Blur Decreases
Ability to visualize recorded detail.
Visibility of Detail
Ability to distinguish anatomic structures of similar subject contrast.
Contrast Resolution
A random fluctuation in the OD of the image.
Noise
What are the 4 Components of Noise?
Film Graniness
Structure Mottle
Quantum Mottle
Scattered Radiation
Unwanted image on radiograph.
Artifact
Refers to the distribution in size and space of silver halide in the emulsion.
Film Graniness
Refers to the phosphor of radiographic intensifying screen.
Structure Mottle
Refers to the random nature by which x-ray interacts with image receptors.
Quantum Mottle
What component of Noise that is under control of radiologist technologist?
Quantum Mottle