Which Positioning Problem(s) Listed Result(s) in an AP-PA Chest Projection

question 3

Multiple Choice

Which positioning problem(s) listed result(s) in an AP-PA chest projection (lateral decubitus position) with the manubrium and the fifth thoracic vertebra located at the same level?
1) A patient rotated into an RPO position
2) An AP projection obtained with the upper midcoronal plane tilted away from the IR
3) A PA projection obtained with the upper midcoronal plane tilted toward the IR
4) An AP projection obtained with the central ray angled cephalically

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

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Definitions:

Bipolar Cells

A type of neuron found in the retina that acts as an intermediary between photoreceptors (rods and cones) and ganglion cells, playing a crucial role in visual processing.

Ganglion Cells

Neurons located in the retina of the eye that process visual information before it is transmitted to the brain.

Rods

Photoreceptor cells in the retina of the eye that are highly sensitive to light and enable vision in low-light conditions.

Cornea

The transparent front part of the eye that covers the iris, pupil, and anterior chamber, contributing primarily to the eye's ability to focus light.