Q. Select the correct statement about oxygen transport in blood
A) During normal activity, a molecule of hemoglobin returning to the lungs carries one molecule of O2
B) A 50% oxygen saturation level of blood returning to the lungs might indicate an activity level higher than normal
C) Increased BPG levels in the red blood cells enhance oxygen-carrying capacity
D) During conditions of acidosis, hemoglobin is able to carry oxygen more efficiently
✔ Correct Answer: During normal activity, a molecule of hemoglobin returning to the lungs carries one molecule of O2
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