Certified Anesthesiologist Assistants and certified registered nurse anesthetists are both defined as non-physician anesthetists within the Centers for Medicare & Medicaid Services section of the Code of Federal Regulations. 2. What is the origin of the Anesthesiologist Assistant profession?
1 The first man-made fiber. 2  The first commercial production of rayon fiber in the United States was in 1910 by the American Viscose Company. 3  By using two different chemicals and manufacturing techniques, two basic types of rayon were developed. 4  They were viscose rayon and cuprammonium rayon.
There are two main categories of man-made fibers: those that are made from natural products (cellulosic fibers) and those that are synthesized solely from chemical compounds (noncellulosic polymer fibers). Rayon is a natural-based material that is made from the cellulose of wood pulp or cotton. This natural base gives it many of the characteristicsâlow cost, diversity, and comfortâthat have led to its popularity and success.