The patient with chronic renal failure has been prescribed erythropoietin. The nurse informs the patient the drug has which intended effect?

The 3.2 kg patient with persistent pulmonary hypertension of the newborn (PPHN) has the following order: Infuse norepinephrine 0.05 mcg/kg/min IV and titrate q15 minutes by 0.05 mcg/kg/min to maintain mean arterial pressure between 45 and 55 mm Hg. Overnight, the norepinephrine had been titrated to 0.25 mcg/kg/min for persistent hypotension. At 0900, the MAP rose to 62 mm Hg and the nurse decreased the infusion from 0.25 mcg/kg/min to 0.20 mcg/kg/min. At 0905, the patient’s blood pressure fell to 42 mm Hg. Which action does the nurse take first?

The nurse is assigned to a 38-year-old patient who presents with polydipsia and polyuria. Past medical history is significant for bipolar disorder diagnosed two months ago, for which the patient was prescribed lithium. The nurse anticipates further testing will reveal which condition?