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J & K CET Medical J & K - CET Medical Solved Paper-2011

  • question_answer
    Amount of \[C{{O}_{2}}\] in expired air is about

    A)  0.04%                                  

    B)  0.03%

    C)  4.5%                                    

    D)  21%

    Correct Answer: C

    Solution :

                    Amount of \[C{{O}_{2}}\]in expired air is 4.4%. The air we breathe in contain about 0.04% \[C{{O}_{2}}\]. The air we breathe out contains about 4%\[C{{O}_{2}}\]. In other words, exhaled air contains about 100 times the concentration of\[C{{O}_{2}}\] that inhaled air does.


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