Most patients were paying good money for their insurance and were often upset when their prescriptions required a $50 co-pay, or that they not met their $4,000 deductable and must give the entire cost out-of-pocket. In Oklahoma, pharmacists are forced to obtain a valid photo identification before dispensing any controlled, dangerous substance. The respiratory therapist's tasks include providing the precise measurements of oxygen or other kinds of gas concentrations inside patient's blood in addition to measuring blood alkalinity or acidity levels.