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: Radiology
[{'content': 'A young man with pulmonary tuberculosis presents with massive recurrent hemoptysis. For angiographic treatment, which vascular structure should be evaluated first: \nSelect and explain. \nA. Pulmonary aery, B. Bronchial aery, C. Pulmonary vein, D. Superior vena cava', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Bronchial aery In 95% of cases of massive recurrent hemoptysis, the source of blood are systemic bronchial aeryQ rather than pulmonaryaery; So these are the vascular structures which should be evaluated first. Type of Bleeding Source - Hemoptysis - Bronchial aeryQ - Epidural hemorrhage - Middle meningeal aeryQ - Subdural hemorrhage - Bridging veinsQ - Sub arachnoid hemorrhage - Berry saccular aneurysmQ - Intracerebral hemorrhage - Infra parenchymal vessels - Menstruation - Spiral aeriesQ - Epitaxis - Plexus of vein (M.C.) & sphenopalatine aery', 'role': 'assistant'}]