What Is the Central-Ray Angulation for an AP or PA

question 60

Multiple Choice

What is the central-ray angulation for an AP or PA oblique projection of the chest?

• A) 0 degrees
• B) 10 degrees caudad
• C) 15 to 20 degrees caudad for PA
• D) 15 to 20 degrees cephalad for AP

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Definitions:

Invention

The creation of a new device, method, or process, resulting from study and experimentation.

Expense Function

A mathematical function that describes the cost associated with a particular level of production or activity.

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