For a Lateral Knee Projection

question 53

Multiple Choice

For a lateral knee projection,
1) an imaginary line connecting the femoral epicondyles is aligned parallel with the IR.
2) a patient with long femora and a narrow pelvis does not require an angled central ray.
3) a grid is used if the knee measures over 10 cm.
4) the central ray is centered 1 inch (2.5 cm) distal to the medial femoral epicondyles.

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

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Definitions:

Hue

A color or shade in the spectrum, representing the type of light reflected from an object.

Perceptual Constancy

The brain's ability to recognize objects as remaining the same despite changes in distance, viewpoint, or lighting conditions.

Linear Perspective

A technique in visual art, particularly drawing and painting, to create the illusion of depth and distance on a flat surface, using converging parallel lines.

Opponent-Process Theory

A psychological and neurological model that explains how the perception of colors is controlled by the operation of opposing neural systems.