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
Solvent used in varnish is/are: 
Select and explain. 
A. Acetone, B. Alcohol, C. Ether, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Varnish—A material for application to the floor of a prepared cavity; a solution of natural gum, synthetic resins or resins dissolved in volatile solvent, such as acetone, ether or chloroform; not necessarily a cement.
Phillip's science of dental material 12th edition page 309