The Partial Pressure of Oxygen in a Pulmonary Capillary Is

question 53

Multiple Choice

The partial pressure of oxygen in a pulmonary capillary is about 40 mm Hg. Determine the partial pressure that will promote movement of oxygen ^into the pulmonary capillary from air in the alveolus.

• A) 35 mm Hg
• B) 40 mm Hg
• C) 104 mm Hg
• D) 18 mm Hg

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Definitions:

Fibrinogen

A soluble plasma glycoprotein that is converted by thrombin into fibrin during blood clot formation.

Antigens

Foreign substances that induce an immune response in the body, typically leading to the production of antibodies.

Polycythemia

A blood disorder characterized by an increased number of erythrocytes, leading to thicker blood.

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The proportion of blood volume that is occupied by red blood cells, important for assessing anemia and other conditions.