1 .		Which of the following is the definition of a drug? [Hint]
2 .		A proprietary name [Hint]
3 .		The generic name of a drug is [Hint]
4 .		What is a lead compound? [Hint]
5 .		What is a random screen (also known as a blind screen)? [Hint]
Answer choices in this exercise are randomized and will appear in a different order each time the page is loaded.