Why must oxygen be kept away from flames during therapy?

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Multiple Choice

Why must oxygen be kept away from flames during therapy?

Explanation:
Oxygen-rich environments dramatically increase fire risk because oxygen is an oxidizer that supports and speeds up combustion. When therapy provides supplemental oxygen, the air around the patient has more oxygen available for combustion, so flames can ignite materials more easily and spread faster. That’s why keeping flames away from oxygen is essential. The option that states oxygen is flammable best conveys this risk—the presence of oxygen makes fires more likely and more intense. Other choices don’t address why the flame-and-oxygen situation is dangerous.

Oxygen-rich environments dramatically increase fire risk because oxygen is an oxidizer that supports and speeds up combustion. When therapy provides supplemental oxygen, the air around the patient has more oxygen available for combustion, so flames can ignite materials more easily and spread faster. That’s why keeping flames away from oxygen is essential. The option that states oxygen is flammable best conveys this risk—the presence of oxygen makes fires more likely and more intense. Other choices don’t address why the flame-and-oxygen situation is dangerous.

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