What is derived from the following equation? X = [PB -PH20] FIO2 - PaCO2 (1.25)

A full-term, healthy pregnancy will last approximately _________ weeks

a. 55 b. 25 c. 20 d. 40

Biopharmaceuticals may be composed of any of the following EXCEPT:

A) Petroleum derivatives. B) Sugars. C) Proteins. D) Living tissue or cells.