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
Which of the following is a Enrichment broth 
Select and explain. 
A. Selenite F broth, B. Blood agar, C. Loeffler's serum slope, D. All the above
A: Selenite F broth
Answer: A: Selenite F broth 
Explanation: Enrichment media is liquid media that allow certain organism to grow and inhibit others.
Example:

Selenite F broth and Tetrathionate broth for salmonella & Shigella.
Alkaline peptone water for Vibro cholerae.