ƒƒbƒZ[ƒW Pharmacy technicians also do not provide advice to patients about medication options, unwanted effects, or any other drug information. In Oklahoma, pharmacists are needed to obtain a valid photo identification before dispensing any controlled, dangerous substance. The respiratory therapist's tasks include offering the precise measurements of oxygen or other varieties of gas concentrations in the patient's blood along with measuring blood alkalinity or acidity levels. http://fictioneer.org/content/online-prescription-eye-care-products