Multiple Choice
Which of the following statements concerning hemoglobin is correct?
A) the presence of hemoglobin keeps the blood PO2 low and favors O2 movement into the blood despite a very large transfer of O2 until hemoglobin is completely saturated.
B) hemoglobin can combine with O2, CO2, H+, and CO.
C) hemoglobin unloads more O2 in the presence of increased tissue acidity.
D) hemoglobin buffers against changes in pH due to respiratory carbonic acid.
E) all of these answers.
Correct Answer:
Verified
Correct Answer:
Verified
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