Exhaled Gas Is Collected for 5 Minutes;the Mixed Expired PCO₂

question 10

Multiple Choice

Exhaled gas is collected for 5 minutes;the mixed expired PCO₂ is measured.Blood gases are drawn during the last minute of gas collection,and the following data are recorded: What is this subject's V_D/V_T ratio?

• A) 0.75
• B) 0.33
• C) 0.25
• D) 0.11

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