Select the Correct Statement About Oxygen Transport in Blood

question 32

Multiple Choice

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

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