1. You are working in a lab and need to anesthetize a small rat. You plan to put the rat in a closed plastic container and inject an amount of liquid sevoflurane to produce an induction concentration of 4%. If the container has a volume of 2 liters, how much sevoflurane should you inject?

2. You get to the lab and find out that the sevoflurane bottle is empty, but there is a full bottle of isoflurane. You use it instead of sevoflurane. How much isoflurane do you inject?

3. As you are about to start your experiment, you drop the 100 ml isoflurane bottle on the floor and it smashes liberating all of the isoflurane. The lab is a square room, 20 feet by 20 feet with a ceiling of height of ten feet. This is a weird lab and it has no ventilation. Is everyone in the lab going to fall asleep? Explain your answer.

4. So, now that you know what you know from questions 1-3, how much liquid sevoflurane should I inject into the expiratory limb of a closed 10 liter anesthetic circuit to produce a 2% concentration?