The mother of the 7-week-old infant reports the baby has had fewer and fewer wet diapers and hasn’t stooled in 3 days despite having a ravenous appetite. The mother reports that the child has been vomiting with increasing force and volume over the past two weeks. The emesis just appears to be partially digested breastmilk and fluid. The infant appears well, but mucous membranes are dry, the child has a low-grade fever, and is tachycardic. Upon palpation of the abdomen, a small, olive-shaped mass is appreciated. A serum electrolyte panel reveals a sodium of 132, potassium of 2.7, chloride of 89, and a glucose of 92. The nurse performs which nursing action first? 

The 66-year-old patient with congestive heart failure is brought to the emergency department (ED) via ambulance with complaints of respiratory distress and increasing oxygen requirement. Which assessment indicates the patient is experiencing acute respiratory distress syndrome (ARDS) rather than a congestive heart failure (CHF) exacerbation?

The patient is brought to the emergency department (ED) after falling down and being briefly unconsciousness. The patient’s wife is with him and tells the nurse in private, “He’s not been like himself. He’s verbally abusive, now, and mean. He was always the sweetest man I ever knew.” The nurse suspects testing will reveal a lesion in which lobe of the brain?