The nurse is preparing to administer a drug that is labeled "used for minor skin irritations." Based on the label, how is this drug classified?
1. By the function
2. By its usefulness
3. By its pharmacologic use
4. By its therapeutic use
Correct Answer: 4
Rationale 1: Function is not a classification for medications.
Rationale 2: Usefulness is not a classification for medications.
Rationale 3: Pharmacological classification categorizes drugs by how they work pharmacologically.
Rationale 4: When organized by therapeutic classification, a statement is made about what a particular drug does clinically.
Global Rationale: When organized by therapeutic classification, a statement is made about what a particular drug does clinically. Pharmacological classification categorizes drugs by how they work pharmacologically. Function and usefulness are not classifications for medications.
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