This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
A 14-year old boy presents with histdeg. of frequent nasal bleeding. His Hb was found to be 6.4 g/dL and peripheral smear showed normocytic hypochromic anemia. The most probable diagnosis is: 
Select and explain. 
A. Juvenile nasopharyngeal angiofibroma, B. Hemangioma, C. Antrochonal polyp, D. Carcinoma of nasopharynx
A: Juvenile nasopharyngeal angiofibroma
Answer: A: Juvenile nasopharyngeal angiofibroma 
Explanation: Ans. a. Juvenile nasopharyngeal angiofibroma A 14-year-old boy presents with history of frequent nasal bleeding. His Hb was found to be 6.4 g/dL and peripheral smear showed normocytic hypochromic anemia. The most probable diagnosis is juvenile nasopharyngeal angiofibroma