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
IOC for Bronchiectasis - 
Select and explain. 
A. HRCT scan, B. Spiral CT, C. Bronchoscopy, D. Pulmonary angiography
A: HRCT scan
Answer: A: HRCT scan 
Explanation: 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.