What Impact Does the Steep Portion of the Oxyhemoglobin Dissociation

question 67

Multiple Choice

What impact does the steep portion of the oxyhemoglobin dissociation curve have on oxygen delivery?

• A) PO₂s below 60 enhance the release of oxygen from hemoglobin to the tissues
• B) PO₂s below 60 prevents the release of oxygen from hemoglobin to tissues
• C) No oxygen can be released to tissues until PO₂s are above 60 mm Hg
• D) Oxygen binds irreversibly with hemoglobin until the P50 is reached

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