<prompt> A 40-year old male presents with history of vomiting of blood 2 hours ago. The volume of vomitus was estimated to be 500 ml. His BP was 9058 mm Hg and pulse was 110min. On abdominal examination, the spleen was palpable 5 cm below the costal margin. The most likely cause of the bleeding isPoal hypeensionGastric ulcerDuodenal ulcerDrug-induced mucosal erosion  <response>: Ans. a. Poal hypeension 