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
A patient with Antral Ca repeatedly vomits. Not seen is - 
Select and explain. 
A. Acidosis, B. Hypokalemia, C. Hyponatremia, D. Hypochloremia
A: Acidosis
Answer: A: Acidosis 
Explanation: None