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
What should be the ideal pH and osmolarity of storage media respectively: 
Select and explain. 
A. 7.4&320, B. 7.0&300, C. 6.8&280, D. 6.5&250
A: 7.4&320
Answer: A: 7.4&320 
Explanation: None