What is the correct term for the length of time for a drug concentration to decrease by half?
1. Half-time
2. Metabolism
3. Half-life
4. Distribution
Correct Answer: 3
Rationale 1: The length of time for a drug concentration to decrease by half is its half-life.
Rationale 2: The length of time for a drug concentration to decrease by half is its half-life.
Rationale 3: The length of time for a drug concentration to decrease by half is its half-life.
Rationale 4: The length of time for a drug concentration to decrease by half is its half-life.
Global Rationale: The length of time for a drug concentration to decrease by half is its half-life. Half-time, metabolism and distribution have different definitions.
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