During the first few minutes after birth, which physiologic change occurs in the newborn as a response to vascular pressure changes in increased oxygen levels?
A) Increased pulmonary vascular resistance
B) Decreased systemic resistance
C) Decreased pressure in the left heart
D) Dilation of pulmonary vessels

Question

Quizplus · Accepted Answer

Dilation of pulmonary vessels occurs in response to increased oxygen levels. Decrease in pulmonary vascular resistance occurs. Increase in systemic vascular resistance occurs. Increased pressure in the left heart occurs.

During the First Few Minutes After Birth, Which Physiologic Change