A nurse at an emergency department is caring for a child who was admitted with cystic fibrosis. The child's parent is given the following laboratory results: sodium 128 mg/dL (136 to 145 mEq/dL), blood glucose 268 g/dL (70 to 100 g/dL) potassium 4.2 mg/L (3.4 to 4.7 mEq/L), and oxygen saturation 88% on 2 L/min via nasal canula (95% to 100%). The parent ask how the values relate to cystic fibrosis. Which of the following statements by the nurse is accurate?