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: Physiology
The presence of large quantities of un-reabsorbed solutes in the renal tubule causes an increase in urine volume is called: 
Select and explain. 
A. Osmotic diuresis, B. Osmotic natriuresis, C. Water intoxication, D. Water dieresis
A: Osmotic diuresis
Answer: A: Osmotic diuresis 
Explanation: Osmotic diuresis