Which of the Following Events Are Feasible Explanations for the Oxygen-Associated

question 29

Multiple Choice

Which of the following events are feasible explanations for the oxygen-associated hypercapnia that sometimes affects patients who have severe COPD?
I.Hypoxic stimulus removal
II.Worsening of $\dot{V} / \dot{Q}$ relationships
III.As PaO₂ increases, the slow reduction in PaCO₂ induces hypoventilation.
IV.Shunt

• A) II, III, IV
• B) I, II, III, IV
• C) II, IV
• D) I, II

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Definitions:

Palatine Tonsils

A pair of soft tissue masses located at the rear of the throat, part of the immune system.

Red Blood Cells

Cells in the blood that carry oxygen from the lungs to the body's tissues and return carbon dioxide from the tissues back to the lungs.

White Blood Cells

Cells of the immune system involved in defending the body against both infectious disease and foreign materials.

Spleen

An organ located under the ribcage and above the stomach in the left upper quadrant of the abdomen. It acts in filtering and storing blood as part of the immune system.