Question

With hospital funding going down, local hospitals are looking for any way to cut costs while maintaining quality of care. One large expense is the delivery oxygen gas to patients, which increases tissues oxygenation levels in patients with impaired breathing function. A company is testing an injectable drug that they claim can increase the amount of oxygen to the tissues by binding hemoglobin po, in tissues po, in lungs 1.0 _Hemoglobin (no drug) 8 0.5 16 4812 рог (kPa)

A. In the chart above, where the solid line represents the binding affinity of hemoglobin for oxygen with NO drug treatment. Which curve above (dotted or dashed) represents the affinity of hemoglobin of oxygen after drug treatment? Explain.

B. How does the drug effect hemoglobin’s affinity for O₂ and how would this achieve the desired patient result?

Increases Affinity, Decreases Affinity, No Change to Affinity? Explain.

Answer 1

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