This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2018, Subject name: Medicine
Delta gap compares? 
Select and explain. 
A. Change in Anion gap w chloride only, B. Change in Anion gap w sodium and potassium, C. Change in Anion gap w bicarbonate, D. Change in Anion gap w to Sodium only
C: Change in Anion gap w bicarbonate
Answer: C: Change in Anion gap w bicarbonate 
Explanation: Delta gap = Change in anion gap - Change in Bicarbonate >6 = Met alkalosis <-6 = Met acidosis