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प्रश्न
Asthma patient use a mixture of
विकल्प
O2 and N2O
O2 and He
O2 and NH3
O2 and CO
MCQ
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उत्तर
O2 and He
Explanation:
A mixture of O2 and He is used for respiration as helium is inert and light gas and diffuse rapidly.
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