Final answer:
Respiratory alkalosis occurs when the blood is overly alkaline due to a deficiency in carbonic acid and CO₂ levels. Hyperventilation is a common cause of respiratory alkalosis.
Step-by-step explanation:
Respiratory alkalosis occurs when the blood is overly alkaline due to a deficiency in carbonic acid and CO₂ levels in the blood. This condition usually occurs when too much CO₂ is exhaled from the lungs, as occurs in hyperventilation, which is breathing that is deeper or more frequent than normal.