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: Microbiology
There has been an outbreak of food born salmonella gastroenteritis in the community and the stool samples have been received in the laboratory. Which is the enrichment medium of choice- 
Select and explain. 
A. Cary Blair medium, B. V R medium, C. Selenite, D. Thioglycolate medium
C: Selenite
Answer: C: Selenite 
Explanation: Outbreak of food born salmonella gastroenteritis
For the stool culture, 1st it has to be processed in an enrichment medium followed by streaking in a selective media.
Enrichment medium for Salmonella: Tetrathionate broth, Selenite F broth, Gram-negative broth