Phlebotomy Course & CNA ClassProctored exams are provided for workers of St. John's United. Future classes to be introduced. Prior to starting job as a CNA, trainees are usually called for to complete a checkup that licenses they are physically fit sufficient to execute the duties of a nursing aide. https://jaidenwrkjc.tinyblogging.com/phlebotomy-course-cna-class-74807063