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: Surgery
In the immediate post operative period, body potassium is - 
Select and explain. 
A. Exchanged with calcium, B. Exchanged with magnesium, C. Retained in body, D. Excreted excessively
D: Excreted excessively
Answer: D: Excreted excessively 
Explanation: Ans. is 'd' i.e., Excreted excessively There is increased Adreno coical activity which causes Na+ retention & K+ excretion