Question: Based on the description of the medical assistant's role, investigate and discuss whether each of the following is within the medical assistant's scope of practice in california. The medical assistant administers immunizations to infants, children, and adults. The medical assistant authorizes prescription refills for patients on long-term medication therapy. The medical assistant obtains specimens of venous blood by finger-stick and phlebotomy and performs diagnostic tests using the blood specimens. Discuss what a medical assistant should do if he or she notices that another medical assistant in the practice has performed a sterile procedure, such as catheterization or starting an intravenous infusion, with no previous training in the procedure.