The nurse is caring for a patient who requires four intravenous drugs with four different pHs to be infused through an intravenous catheter that was just placed. In which order must they be administered to help prevent extravasation? Place the answers in the correct order.

The school nurse observes a child collapse and become unresponsive after being stung by a bee. Loud wheezes are audible. Which of the following treatments is most appropriate for this patient?

The patient receiving a continuous infusion of total parenteral nutrition (TPN) through a peripherally inserted central catheter (PICC) line reports sudden onset dizziness, dyspnea, and tachycardia. Upon assessment, the nurse notes the patient is difficult to arouse. The IV tubing is noted to be cracked and have air in it. Which action does the nurse take first?