An Above-Diaphragm AP or PA Rib Projection with Accurate Positioning

question 10

Multiple Choice

An above-diaphragm AP or PA rib projection with accurate positioning demonstrates the
1) scapulae outside the lung field.
2) seventh posterior rib at the center of the exposure field.
3) eight posterior ribs above the diaphragm.
4) thoracic vertebrae-rib head articulations.

• A) 1 and 2 only
• B) 3 and 4 only
• C) 1, 2, and 4 only
• D) 1, 2, 3, and 4

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Definitions:

Sensitization

The process where repeated administration of a stimulus results in the progressive amplification of a response.

Higher-order Conditioning

A conditioning process in which a stimulus that's already associated with a reflex becomes associated with a new, neutral stimulus.

Dishabituation

A process in which a previously habituated response reoccurs, typically after the presentation of a novel stimulus.

Sensitization

An increased reaction to a stimulus following repeated exposures, leading to a heightened response.