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 are all except- \nSelect and explain. \nA. Allergic rhinitis, B. Foreign body, C. Tumor, D. Hypertension', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Allergic rhinitis Causes of epistaxiso Causes of epistaxis may be divided into : - i) Local (in nose and nasopharynx), ii) General, iii) Idiopathic.Common causes of epistaxisLocal causesSystemic causeso Trauma (nose-picking, fracture, nose plugs)o Hypertensiono Infection or inflammationo Arteriosclerosiso Surgery'o Drugs (NSAIDs, anticoagulants)o Septal deformity'o Bleeding dyscrasia (Hemophilia, Von Willebrand's disease)3 Foreign bodyo Toxic chemicalso Systemic toxicity (heavy metals)o Neoplasmo Alcohol & tobacco useo Granulomatous diseaseo Hereditary hemorrhagic telangiectasia (Osier-Weber-Rendu disease)", 'role': 'assistant'}]