Elizabeth Kubler Ross is known for developing the Stages of Grief. Which of the following is true of these stages?

The three most common certifications for Medical Assistants in United States are offered by the American Association of Medical Assistants (AAMA), the American Medical Technologists (AMT) and the National Center for Competency Testing (NCCT). These exams mainly cover the following three subject areas: General Knowledge, Administrative Knowledge and Clinical Knowledge.