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: Dental
To store avulsed tooth, which kind of milk is shown to be suitable? 
Select and explain. 
A. Hot milk, B. Cold milk, C. Low fat milk, D. High fat milk
C: Low fat milk
Answer: C: Low fat milk 
Explanation: Milk has shown to maintain the vitality of periodontal ligament cells for 3 hours. 
Low fat milk is relatively bacteria-free with pH and osmolality compatible with vital cells.
Ref: Textbook of endodontics, Nisha Garg and Amit Garg, 3rd edition, pg no:476