How does the lung respond to regional lung hypoxia?
A) Bronchial artery vasoconstriction
B) Bronchial artery vasodilation
C) Pulmonary artery vasoconstriction
D) Pulmonary artery vasodilation

Question

Quizplus · Accepted Answer

Areas of regional lung hypoxia, as the result of reduced ventilation, congestion, and/or airway obstruction, can result in local pulmonary arterial vasoconstriction and cause blood flow to be shifted from these areas toward areas of higher O₂ content and pulmonary vasodilation.

How Does the Lung Respond to Regional Lung Hypoxia