A client appears flushed and has shallow respirations. The arterial blood gas report shows the following: pH, 7.24; partial pressure of arterial carbon dioxide (PaCO2 ), 49 mm Hg (6.5 kPa);...

A client appears flushed and has shallow respirations. The arterial blood gas report shows the following: pH, 7.24; partial pressure of arterial carbon dioxide (PaCO2 ), 49 mm Hg (6.5 kPa); bicarbonate (HCO3 ), 24 mEq/L (24 mmol/L). These findings are indicative of which of the following acid-base imbalances?

1. Metabolic acidosis.

2. Metabolic alkalosis.

3. Respiratory acidosis.

4. Respiratory alkalosis.