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
Cause of epistaxis from anterior nasal septum are all EXCEPT: 
Select and explain. 
A. Nose picking, B. Allergic rhinitis, C. Foreign body, D. Thrombocytopenia
B: Allergic rhinitis
Answer: B: Allergic rhinitis 
Explanation: 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