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An inexperienced resident physician is asked to draw arterial blood gases from a patient with severe chronic obstructive pulmonary disease, who is not yet on oxygen therapy. The resident attempts to draw blood from the femoral artery at the groin, but actually draws blood from the femoral vein. When compared to the arterial sample that should have been obtained, this venous sample will show which of the following differences?

a)Dec: PO2, inc: PCO2, dec: pH

b)Dec: PO2,inc: PCO2, inc: pH

c)inc: PO2, inc: PCO2, dec: pH

d)Inc: PO2, dec: PCO2, inc: pH

e)all inc:


a)Dec: PO2, inc: PCO2, dec: pH





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