This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and PNS, Subject name: ENT
[{'content': 'Cause of epistaxis from anterior nasal septum are all EXCEPT: \nSelect and explain. \nA. Nose picking, B. Allergic rhinitis, C. Foreign body, D. Thrombocytopenia', 'role': 'user'}, {'content': "Answer: B \nExplanation: ANSWER (B) Allergic rhinitisREF: Dhingra's 4th edition page 166Causes of epistaxis:Trauma - finger nail, fracture, intranasal injuryInfectionsForeign bodiesNeoplasmDeviated nasal septumAdenoiditisJuvenile angiofibromaMalignant tumorsHypertensionAtherosclerosisPregnancyMitral stenosisAplastic anemiaThrombocytopeniaVascular purpuraScurvyChristmas diseaseVit. K deficiencyHemorrhagic telangiectasiaDeficiency of factor 2, 7, 9 ,10Chronic kidney disease", 'role': 'assistant'}]