Which of the Following Are Major Mechanisms That Contribute to the Pulmonary

question 10

Multiple Choice

Which of the following are major mechanisms that contribute to the pulmonary hypertension commonly seen in a patient with a pulmonary embolism?
1) Decreased cross-sectional area of the pulmonary vascular system
2) Vasoconstriction induced by alveolar hypoxia
3) Reflexes from the aortic and carotid sinus baroreceptors
4) Vasoconstriction induced by humoral agents

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

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