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 pay for the entire cost out-of-pocket. Screaming, yelling, demanding things, or being rude won't help the situation. The respiratory therapist's tasks include offering the precise measurements of oxygen or other kinds of gas concentrations inside the patient's blood and also measuring blood alkalinity or acidity levels.