The following development did not take place in the nineteenth-century:
A) the extraction of morphine from opium
B) the extraction of heroin from morphine
C) the invention of the hypodermic syringe
D) the isolation of cocaine from coca leaves
E) the discovery of the addicting properties of opiates

Question

Quizplus · Accepted Answer

The discovery of the addicting properties of opiates dates back as far as the ancient Greeks and Romans, and was widely known by the 18th and 19th centuries. Therefore, this development did not take place in the nineteenth-century is the correct answer. The other choices all involve specific developments in the production, refinement, or understanding of various drugs and drug delivery methods that did occur during the nineteenth century.

The Following Development Did Not Take Place in the Nineteenth-Century