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.
The first man-made plastic was created by Alexander Parkes who publicly demonstrated it at the 1862 Great International Exhibition in London. The material called Parkesine was an organic material derived from cellulose that once heated could be molded, and retained its shape when cooled.