Most patients were paying a nice income for their insurance and were often upset when their prescriptions required a $50 co-pay, or they had not met their $4,000 deductable and must spend the money for entire cost out-of-pocket. Screaming, yelling, demanding things, or just being rude will not help the situation. The respiratory therapist's tasks include supplying the precise measurements of oxygen or other varieties of gas concentrations inside the patient's blood along with measuring blood alkalinity or acidity levels.