This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epistaxis, Subject name: ENT
[{'content': "Which of the following is TRUE regarding anterior epistaxis? \nSelect and explain. \nA. Patient is kept in sitting and slight leaning forward position while compressing the nares, B. Topical phenylephrine is contraindicated as it increases blood pressure, C. Commonly from Kiesselbach venous plexus in the anterior septum, D. Foley's nasal tamponade is a treatment option", 'role': 'user'}, {'content': "Answer: A \nExplanation: (a) Patient is kept in sitting and slight leaning forward position while compressing the nares(Ref. Cummings, 6th ed., 684)Phenylephrine being a decongestant is used to prepare the nose before cauterization.Foley's nasal tamponade is done in posterior nasal space in posterior epistaxis.", 'role': 'assistant'}]