The patient receiving total parenteral nutrition (TPN) is found to have received 24 hours’ worth of TPN in 4 hours. Which intervention does the nurse perform first? 

During a routine physical, the 58-year-old patient reports aching chest pain that occurs only when doing yardwork or heavy cleaning. However, it does not occur every time he is performing these chores. He denies regular exercise and reports a sedentary lifestyle. The nurse anticipates providing which instruction to the patient related to the patient's new prescription for this condition?   

The patient with congestive heart failure in the cardiac intensive care unit (CICU) is ordered to receive IV furosemide once per day. The lab just called and reported the patient’s serum potassium is 2.9 mEq/L. The next dose of furosemide is due now. Which is the appropriate nursing action?