This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
The normal range of serum osmolarity is 
Select and explain. 
A. 350-375, B. 200-250, C. 270-285, D. 300-320
C: 270-285
Answer: C: 270-285 
Explanation: Normal serum osmolarity ranges from 275 to 295 mOsm/L It is used to monitor hyponatremia,and other conditions Reference : guyton and hall12 Ed pg no: 45,46,47