Consider the Oxygen-Binding Profile at Three PH Values: 7

Multiple Choice

Consider the oxygen-binding profile at three pH values: 7.6, 7.4, and 7.2. Which statement is most correct?

A) Curve X most likely corresponds to pH 7.2.
B) Curve Z most likely corresponds to pH 7.6.
C) Hb has a higher affinity for oxygen at the pH of curve Z.
D) Curve Y most likely corresponds to pH 7.4.
E) pH has no effect on the oxygenation of hemoglobin.