This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pneumonia, Bronchiectasis, and Lung Abscess, Subject name: Medicine
[{'content': 'IOC for Bronchiectasis : \nSelect and explain. \nA. HRCT scan, B. Spiral CT, C. Bronchoscopy, D. Pulmonary angiography', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans.(a) HRCT scanRef: Harrison 19th ed. / 308e-3f 1694* The best test to evaluate the destruction and dilatation of large airways which are filled with pus in Bronchiectasis is HRCT* Spiral CT is preferred for pulmonary embolism* Pulmonary angiography is done for lung sequestration and is gold standard for pulmonary embolism.', 'role': 'assistant'}]