Which of the following is true regarding deoxygenated blood?
a. the hemoglobin is 75% saturated with oxygen
b. the hemoglobin doesn’t contain any oxygen
c. the hemoglobin is 98.5% saturated with oxygen
d. the PO2 is 100 mmHg
e. none of the above is correct
Group of answer choices
a
b
c
d
e
When hemoglobin is 75% saturated with oxygen , the partial pressure of oxygen is 40 mm Hg which is the partial pressure of deoxygenated blood oxygen.
When Hemoglobin is 98.5% saturated with oxygen , then partial pressure of oxygen is approximately 96mm Hg which is the partial pressure of highly oxygenated blood oxygen.
Even deoxygenated blood contains some amount of oxygen , so there is no situation when hemoglobin does not contain oxygen.
So , option a is correct.
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