Which characteristic of surgical overhead lights allows the surgeon to differentiate between the colors of arterial and venous blood or subtle color changes in tissues?
A) lightbulbs that give fluorescent light
B) lightbulbs that approximate sunlight
C) adjustable tracks for repositioning lights
D) spot focus with dark center to prevent glaring

Question

Quizplus · Accepted Answer

Lightbulbs that approximate sunlight (such as halogen or LED bulbs) provide a high color rendering index (CRI), which allows for accurate color recognition, making it easier for the surgeon to differentiate between tissue colors and visualize subtle changes in tissue color.

Which Characteristic of Surgical Overhead Lights Allows the Surgeon to Differentiate