A nurse is assessing clients who are at risk for acid-base imbalance. Which acid-base imbalance is correctly paired with the client at risk?

Respiratory alkalosis: client with inadequate chest expansion due to muscle weakness.

Metabolic alkalosis: client who is mechanically ventilated.

Respiratory acidosis: client with hyperventilation due to anxiety.

Metabolic acidosis: client who has Kussmaul respirations.