Patients with Chronic Hypoxia (Low O₂ Levels)due to Decreased Lung

question 41

Multiple Choice

Patients with chronic hypoxia (low O₂ levels) due to decreased lung function may adapt by increasing their circulating BPG levels.Predict which of the following will be true for such a patient.

• A)p₅₀ for O₂ will be decreased.
• B)p₅₀ for O₂ will be increased.
• C)The R-state of hemoglobin will be favored.
• D)O₂ binding to hemoglobin will be hyperbolic.
• E)None of the above

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Definitions:

ATP Formation

The biochemical process by which cells generate adenosine triphosphate (ATP), a molecule that stores and transfers energy within cells.

Acetate

A salt or ester of acetic acid, often used as a solvent or in making synthetic fibers or plastics.

Ketone Bodies

Metabolic products produced during fatty acid metabolism, used by some tissues as an energy source when glucose is not available.

Beta Oxidation

A metabolic process in which fatty acids are broken down in the mitochondria to generate acetyl-CoA, a substrate for the citric acid cycle.