The patient who resides in a long term care facility is admitted to the hospital for an acute decrease in level of consciousness, confusion, and dehydration due to anorexia. The patient’s arterial blood gas, temperature, heart rate, respiratory rate, breath sounds, and bowel sounds are all within normal limits. The nurse anticipates which diagnosis?

Following a bone marrow transplant, the patient exhibits a 10-pound weight gain in 3 days, increased abdominal circumference, and yellow tinge to the sclera and skin. The nurse notifies the provider and prepares to perform which intervention?  

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?