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 unresponsive patient in the emergency department is found on electrocardiogram to have pulseless electrical activity (PEA). The nurse most suspects which two causes of the patient's condition?

The nurse is called to the intubated patient’s room by the patient's child who reports a large gush of red-tinged fluid from a transverse abdominal wound after the patient coughed. While calling for help, the nurse ensures the patients bed is set to which degree angle?