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: Medicine
Features seen in a patient with chronic vomiting are all EXCEPT: March 2013 
Select and explain. 
A. Hyponatremia, B. Hypochloremia, C. Metabolic acidosis, D. Hypokalemia
C: Metabolic acidosis
Answer: C: Metabolic acidosis 
Explanation: Ans. C i.e. Metabolic acidosis