What Are the Fundamental Pathophysiologic Events That Explain PPHN

question 65

Multiple Choice

What are the fundamental pathophysiologic events that explain PPHN?
1) Vascular spasm
2) Hypoxemia
3) Increased muscle wall thickness
4) Decreased cross-sectional area

• A)1 and 2 only
• B)2, 3, and 4 only
• C)1 and 3 only
• D)1, 3, and 4 only

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