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
CLO test is used for - 
Select and explain. 
A. H. pylori, B. Brucella, C. Gonorrhoea, D. EBOLA
A: H. pylori
Answer: A: H. pylori 
Explanation: Answer- A. H. pyloriRapid urease test, also known as the CLO test (Campylobacter-like organism test), is a rapid diagnostic test for diagnosis of Helicobacter pylori.