Two Flat Rectangular Mirrors Are Set Edge to Edge and Placed

question 31

Multiple Choice

Two flat rectangular mirrors are set edge to edge and placed perpendicular to a flat nonreflecting surface. The edges of the two mirrors meet at a 30° angle. A light ray that enters parallel to mirror 2 reflects from mirror 1 and then from mirror 2. The angle of reflection of that ray from mirror 2 is

• A) 0°.
• B) 30°.
• C) 60°.
• D) 90°.
• E) 120°.

Identify the symbols and their meanings in the CPT manual.

Understand the use and selection of modifiers in medical coding.

Recognize the different components of CPT codes and their formatting.

Distinguish between various reasons for medical coding adjustments such as downcoding.