A 7-Year-Old Boy Has Been Given Multiple Aerosolized Albuterol Treatments

A 7-year-old boy has been given multiple aerosolized albuterol treatments over the last several days.His father tells you that every time a respiratory therapist administers a treatment,a few minutes later the saturation falls.You explain to the father that this is

A) abnormal and call the physician.
B) abnormal and you will try to change the medication to levalbuterol.
C) normal because of increased perfusion to poorly ventilated areas.
D) normal because you are giving the treatment with air.