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
Hypochloremic alkalosis is a complication of -a) Congenital pyloric stenosisb) Vomitingc) Haematemesisd) Aspirin intoxication 
Select and explain. 
A. ad, B. ab, C. bd, D. cd
B: ab
Answer: B: ab 
Explanation: None