I hope the last word to be *except
B. Increased stress
CO2 levels of the blood are elevated. CO2 is a acid
Scott uses Star War as a framework for discussing AEDs, because he wants to explain the that you must take everything off the chest, before using the AEDs and if someone is in a car accident its going to longer to removal all, but you must move fast because you want to be able to try and survive the person.