What is the most important cause of pulmonary artery constriction? A) Low alveolar PO₂ B) Hyperventilation C) Respiratory alkalosis D) Epinephrine

Name: What is the most important cause of pulmonary artery constriction? A) Low alveolar PO 2 B) Hyperventilation C) Respiratory alkalosis D) Epinephrine
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Question

Quizplus · Accepted Answer

Low alveolar PO2 (hypoxia) is the most important cause of pulmonary artery constriction, as it leads to hypoxic pulmonary vasoconstriction.

What Is the Most Important Cause of Pulmonary Artery Constriction