This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Physiology
Pulmonary compliance is decreased in all of the following conditions, except 
Select and explain. 
A. Pulmonary Congestion, B. COPD, C. Decreased Surfactant, D. Pulmonary Fibrosis
B: COPD
Answer: B: COPD 
Explanation: Pulmonary compliance is increased in emphysema (a type of chronic obstructive pulmonary disease). In the other 3 conditions (Decreased surfactant production, Pulmonary congestion, and Pulmonary fibrosis), the pulmonary compliance is decreased. Ref: guyton and hall textbook of medical physiology 12 edition page number:318,319,320