Which of the following is a major step in the process of marketing a drug in the United States?
1. Isolation of the chemical
2. Identification of the chemical
3. Investigational new drug approval
4. New drug application
a. 1 only
b. 1 and 2 only
c. 1 and 3 only
d. 1, 2, 3, and 4
ANS: D
Health Professions
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The instrument used to remove carious material and debris from the teeth is the ____________
a. hatchet b. hoe c. chisel d. excavator
Health Professions