The nurse plans care for the patient who is receiving theophylline for the treatment of refractory asthma. Which nursing intervention does the nurse include to assess for complications of the drug?

The nurse begins an intravenous infusion of ampicillin. Ten minutes later, the patient states she has itching and swollen lips. What is the nurse’s first action?

The nurse is caring for a patient with pneumonia and fulminant pulmonary arterial hypertension. The patient is intubated and mechanically ventilated receiving inhaled nitric oxide (iNO). Additionally, the patient has a central line with multiple continuous infusions, including norepinephrine, vecuronium, morphine, and propofol. During the shift, the nurse begins to have difficulty breathing, a dry throat, syncope, and chest pain. Which action does the nurse take first?