Which of the following is/are major mechanism(s) that contri…
Which of the following is/are major mechanism(s) that contribute to the pulmonary hypertension commonly seen in a patient with a pulmonary embolism?I. Decreased cross-section area of the pulmonary vascular systemII. Vasoconstriction induced by alveolar hypoxiaIII. Reflexes from the aortic and carotid sinus baroreceptorsIV. Vasoconstriction induced by humoral agents