This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and paranasal sinuses, Subject name: ENT
Recurrent epistaxis in a 15 year old female the most common cause is: 
Select and explain. 
A. juvenile nasopharyngeal fibroma, B. Rhinosporidiosis, C. Foreign body, D. Hematopoietic disorder
D: Hematopoietic disorder
Answer: D: Hematopoietic disorder 
Explanation: Answer is not given any where but we can come to correct conclusion by: option a is juvenile nasopharyngeal fibroma option b is rhinosporidiosis is a cause of epistaxis but usually occurs in young males from India. option c is foreign body which is cause of epistaxis in children and is not commonly seen in 15 years of age. so we are left with hematopoietic disorder which can be seen in a 15 year old female.