A nurse is caring for a client who is at risk for respiratory alkalosis. Which of the following alterations should the nurse identify as an increased risk for this condition?

A. Acute respiratory distress syndrome (ARDS) typically leads to hypoxemia and respiratory acidosis due to impaired gas exchange, not respiratory alkalosis. B. Hyperventilation causes excessive exhalation of carbon dioxide, leading to decreased PaCO₂ and an increase in blood pH, which characterizes respiratory alkalosis. C. Excessive intake of bicarbonate causes metabolic alkalosis, not respiratory alkalosis. D. Kyphosis can restrict lung expansion, resulting in hypoventilation and respiratory acidosis, not alkalosis.