This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'An athelete came to casuality with 3 days history of passing red colour urine.most propable cause of red colour urine in this condition is- \nSelect and explain. \nA. Hemoglobinuria, B. Myoglobinuria, C. Hematuria, D. Hemosiderinuria', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Both hemoglobin and myoglobin give red colour to urine. Here the patient is athelete, due to strenous activity , myoglobin may be excreted in urine ,which is giving red colour to urine . Ref:physiology and pathology of urine by john dixon ,pg no. 49', 'role': 'assistant'}]