What is the name of the scientist whose principles for compounding are still used today?
A) Galen
B) Shen Nung
C) James Muspratt
D) Jan Baptista Van Helmont
Answer: A
Explanation: A) Correct. Galen's principles for compounding (mixing two or more substances or ingredients to achieve a desired physical form) and preparing medicines ruled the Western world for 1500 years. Many of Galen's original procedures for compounding are still in use today.
B) Incorrect. Chinese emperor Shen Nung also began investigating the medicinal properties of hundreds of products, specifically medicinal plants and herbs. During his investigation, Nung identified more than 365 drugs.
C) Incorrect. In the 1820s, James Muspratt began mass-producing soda ash in Britain.
D) Incorrect. A Flemish physician, Jan Baptista Van Helmont, described how air and vapors were similar in appearance but had different properties.
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