Define PE: Pulmonary Embolus. What does it reduce? What do the effects produce? Blockage of pulmonary arteries by thrombus, fat or air embolus, or tumor tissue and Obstructs alveolar perfusion is what condition? Pulmonary embolism most commonly affect what lobes? What are risk factors for pulmonary embolism? What is the most common symptom of pulmonary embolism(PE)? S/S of PE are dependent on size and extent of? Alveolar necrosis and hemorrhage, Abscess, and Pleural effusion are s/s is from what...