Unknown The primary pathophysiologic problem in in idiopathic pulmonary fibrosis is believed to be A Microorganism mediated activation of pulmonary neutrophils B Immune complex mediated activation of alveolar macrophages C Direct immune complex mediated pulmonary interstitial damage D Primary fibroblast 💡 Explanation The primary pathophysiologic problem in in idiopathic pulmonary fibrosis is believed to be ✓ Correct Answer: B. Immune complex mediated activation of alveolar macrophages