NFPA-99 Practice Exam

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Prepare for your NFPA-99 exam with our comprehensive quiz. Test your knowledge with multiple choice questions that cover essential topics. Get ready to conquer the NFPA-99 certification!

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What must a medical gas system be protected against, according to NFPA 99?

Combustible liquids.
Corrosion.
Freezing.
Physical damage.

The correct answer is: Combustible liquids.

A medical gas system must be protected against combustible liquids due to the inherent risks involved with flammable gases and the potential for a hazardous situation that could arise from the combination of medical gases and combustible materials. NFPA 99 outlines various safety measures to ensure that medical gas systems operate safely and effectively in healthcare environments. Having a robust design and preventative measures in place to mitigate any potential fire hazards is crucial for maintaining patient and staff safety. The other concerns mentioned are also important but they fall under different protective measures outlined in NFPA 99. Corrosion, for instance, poses a significant risk to the integrity and functionality of the gas distribution system, while protection against freezing ensures that gas flow is not impeded due to extreme temperatures. Additionally, safeguarding against physical damage is essential to maintain the system's operational reliability. Each of these factors contributes to the overall safety and effectiveness of medical gas systems, but the specific emphasis on protection against combustible liquids highlights the need to directly address fire hazards associated with these systems.