Biology · Human Anatomy and Physiology
एक साधारण फेस मास्क (simple face mask) का उपयोग करते समय रोगी को दी जाने वाली ऑक्सीजन का सामान्य प्रतिशत कितना होता है?
- 120% से 25%
- 270% से 100%
- 310% से 15%
- 440% से 60%✓
सही उत्तर देखें
40% से 60%
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