Pathology A specimen from a lung biopsy reveals occasional plexiform lesions within pulmonary aerioles. This abnormality is most characteristic of A Churg-Strauss syndrome B Adult respiratory distress syndrome C Wegener's granulomatosis D Pulmonary hypeension 💡 Explanation A specimen from a lung biopsy reveals occasional plexiform lesions within pulmonary aerioles. This abnormality is most characteristic of ✓ Correct Answer: D. Pulmonary hypeension