A Loss of Brightness Around the Edge of the Fluoroscopic

question 14

Multiple Choice

A loss of brightness around the edge of the fluoroscopic image caused by the curve of the photocathode is

• A) noise
• B) pincushion appearance
• C) vignetting
• D) magnification

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Definitions:

Environmental Stimuli

External factors or conditions that can provoke a response or reaction from living organisms.

Ethological Theory

A perspective in psychology that emphasizes the genetic and biological bases of behavior, as observed in the natural environment.

Behaviors

The actions or reactions of an organism, often in response to external stimuli, which can be observed and measured externally.

Appetitive Action Patterns

Sequences of behavior that occur in response to signals indicating the availability of a desired goal or reward.