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A swallowed drug is partly broken down in the liver before reaching the blood. That is:

AFull plasma marking
BFirst pass metabolism
CFirst aid measurement
DFinal phase monitoring
Answer & Solution
Correct answer: B. First pass metabolism
1. Blood from the gut goes to the liver first. 2. Some of the drug is changed there. 3. That is first pass metabolism. _Source: OpenStax Pharmacology for Nurses, Chapter 2, Drug Administration and Pharmacokinetics._
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