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
Metabolic acidosis is associated with all of the following
except: 
Select and explain. 
A. Chronic renal failure, B. Prolonged vomiting, C. Starvation, D. Uncontrolled DM
B: Prolonged vomiting
Answer: B: Prolonged vomiting 
Explanation: None