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: Pharmacology
Which factor of the following contributes to short duration of anesthetic action of single dose thiopental 
Select and explain. 
A. Rapid biotransformation, B. Rapid accumulation in body fat, C. High lipid solubility, D. Ability to enter and leave brain tissue every rapidly
C: High lipid solubility
Answer: C: High lipid solubility 
Explanation: None