Final answer:
The nurse has Acetylcysteine available for the treatment of acetaminophen overdose.
Step-by-step explanation:
The medication that the nurse has available for the treatment of acetaminophen overdose is Acetylcysteine. Acetylcysteine is an antidote that can be used to prevent or minimize liver damage caused by an overdose of acetaminophen. It works by replenishing the body's reserves of glutathione, which helps to detoxify acetaminophen.