A nurse is caring for a client who has been admitted with asthma exacerbation and is experiencing increased wheezing and has an oxygen saturation of 91%. The client is scheduled for his next breathing treatment in 1hr. Which of the following actions should the nurse take?

Requesting the pharmacy to dispense 10 mL of dextromethorphan PO

Increasing oxygen to maintain an oxygen saturation of 95% or greater in the client

Instructing respiratory therapy to administer a PRN albuterol aerosol

Asking the provider to repeat another radiograph of the chest