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Below Is a Fractional Saturation Curve for O2 Binding to Adult

Question 111

Multiple Choice

Below is a fractional saturation curve for O2 binding to adult hemoglobin. Assume that curve Y represents a system at pH 7.4 and with a normal physiological level of 2,3-BPG. Curve X represents a system that Below is a fractional saturation curve for O<sub>2</sub> binding to adult hemoglobin. Assume that curve Y represents a system at pH 7.4 and with a normal physiological level of 2,3-BPG. Curve X represents a system that A) is at pH 7.4 with a higher than normal physiological level of 2,3-BPG. B) has a higher pH with a normal physiological level of 2,3-BPG. C) has a lower pH with a normal physiological level of 2,3-BPG. D) is at pH 7.4 with a normal physiological level of 2,3-BPG but with an increased level of CO<sub>2</sub>.


A) is at pH 7.4 with a higher than normal physiological level of 2,3-BPG.
B) has a higher pH with a normal physiological level of 2,3-BPG.
C) has a lower pH with a normal physiological level of 2,3-BPG.
D) is at pH 7.4 with a normal physiological level of 2,3-BPG but with an increased level of CO2.

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