Fourth-Generation Computed Tomography Scanners Are Characterized By

question 45

Multiple Choice

Fourth-generation computed tomography scanners are characterized by:

• A)rotate-translate motion and parallel beam geometry
• B)rotate-translate motion and fan beam geometry
• C)fan beam geometry and continuous rotation of x-ray tube and detectors
• D)fan beam geometry and complete rotation of x-ray tube around a stationary ring of detectors

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Definitions:

Central Amygdala

A region within the amygdala of the brain involved in processing emotions, particularly fear and anxiety responses.

Conditioning Of Fear

Conditioning of fear is a psychological process where an individual learns to associate a neutral stimulus with a fearful or threatening event, resulting in the expression of fear responses to the previously neutral stimulus.

Higher-Order Conditioning

A form of classical conditioning in which a stimulus is paired with a previously conditioned stimulus (CS), resulting in the new stimulus becoming a CS as well.

Systematic Desensitization

A therapy technique used to treat phobias and anxiety disorders by gradually exposing the patient to the anxiety-producing stimulus in a controlled environment.