Select the Correct Statement About Oxygen Transport in Blood

question 10

Multiple Choice

Select the correct statement about oxygen transport in blood.

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

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