<prompt> A young man with tuberculosis presents with massive recurrent hemoptysis. Most probable cause would be.Pulmonary aeryBronchial aeryPulomary veinSuperior vena cava  <response>: B i.e. Broncheal aery In great majority of patients hemoptysis originates from systemic rather than pulmonary aeries and the bronchial vessels are almost universally involved. Grainger Massive hemoptysis in a patient of T.B. is usually d t erosion of bronchial aery which bleeds at systemic pressure. 