[Solved]: The nurse is caring for the following group of clients

The nurse is caring for the following group of clients. Which client is most likely to be diagnosed with respiratory alkalosis? 26-year-old client with anxiety who has been hyperventilating 18-year-old client who has overdosed on an opioid 45-year-old client with pneumothorax after a car accident 63-year-old client with a 40-year history of smoking tobacco and chronic lung disease