Which of the following statement(s) is/are true concerning O2 venous saturation monitoring?
A. The normal saturation of mixed venous blood is 50%
B. Mixed venous blood obtained for saturation monitoring can be obtained from any peripheral vein
C. If arterial blood is fully saturated, the saturation of mixed venous blood is 80%
D. In less than fully saturated blood, the difference between arterial and venous saturation corresponds to oxygen extraction
Answer:C
Which of the following statement(s) is/are true concerning O2 venous saturation monitoring?
A. The normal saturation of mixed venous blood is 50% B. Mixed venous blood obtained for saturation monitoring can be obtained from any peripheral vein C. If arterial blood is fully saturated, the saturation of mixed venous blood is 80% D. In less than fully saturated blood, the difference between arterial and venous saturation corresponds to oxygen extraction