[Verified Answer]: A drug’s half-life is best defined as a

A drug’s half-life is best defined as a. The time it takes for the drug to elicit half its therapeutic response. b. The time it takes one-half of the original amount of a drug to reach the target cells. c. The time it takes one-half of the original amount of a drug to be removed from the body. d. The time it takes one-half of the original amount of a drug to be absorbed into the circulation.