This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Pulmonary edema will be caused by all except: September 2007 
Select and explain. 
A. Mitral stenosis, B. Pulmonary emobolism, C. Pneumonia, D. COPD
D: COPD
Answer: D: COPD 
Explanation: Ans. D: COPD Causes include: Pneumonia Inhalation of toxins - such as chlorine, mustard gas, smoke Circulating toxins - such as histamine, septicaemia Disseminated intravascular coagulation Intravenous drug use like heroin hea failure: - Atrial, e.g. mitral stenosis - Ventricular, e.g. myocardial infarction, hypeension Pulmonary embolism, reperfusion IV fluid overload, e.g. from multiple blood transfusion Chest injury