Laser Safety Fundamentals Practice Test 2026 - Free Laser Safety Practice Questions and Study Guide

Question: 1 / 400

What is the primary concern for Class 4 lasers?

They can cause mild skin irritation.

They can cause severe injuries and start fires.

Class 4 lasers pose a significant risk because they can cause severe injuries to the skin and eyes upon exposure. Additionally, their intense energy can ignite flammable materials, making them a fire hazard. This potential for causing serious harm highlights the importance of stringent safety measures when working with or around these types of lasers. Understanding that Class 4 lasers require careful handling and protective measures is crucial in environments where they are utilized. The other options downplay the risks associated with Class 4 lasers and do not adequately address the severity of the dangers they present.

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They are used for decorative purposes only.

They are safe for classroom use.

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