Which cranial bone is of interest on the PA skull?

orbits
frontal
ethmoid
parietal

frontal

Rationale: The frontal bone is in closest contact with the image receptor for the PA projection, therefore giving it the best detail.

Health Professions

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Technician who fits, shapes, and paints prosthetic eyes:

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An EMT should consider wearing protective eyewear when caring for which of these patients?

A) A patient who is actively coughing B) A patient with a difficult-to-visualize scalp laceration C) A trauma patient who is covered in dirt, rocks, and other foreign debris D) A patient who was sprayed with mace by police during arrest

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