An Outpatient Is Referred for a Shunt Study

question 23

Multiple Choice

An outpatient is referred for a shunt study.After 25 minutes of breathing 100% O₂,the patient produces the following arterial blood gas values: If the barometric pressure is 750 and a content difference of 4.5 vol% is assumed,what is this subject's shunt?

• A) 20%
• B) 22%
• C) 24%
• D) 25%

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