Which blood vessel carries absorbed drugs from the gastrointestinal tract to the liver for first-pass metabolism?
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Correct answer: Portal vein
The portal vein carries blood from the gastrointestinal tract to the liver. Drugs absorbed in the intestines travel through this vein and may undergo metabolism before reaching systemic circulation.
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More First-Pass Effect questions
- Which alternative route is often used to avoid the first-pass effect for drugs like nitroglycerin?
- Which factor increases the likelihood of a significant first-pass effect?
- Which pharmacokinetic process occurs before the first-pass effect?
- Which drug administration route partially avoids the first-pass effect?
- Which enzyme system in the liver is mainly responsible for first-pass drug metabolism?
- Which pharmacokinetic concept describes the proportion of drug reaching systemic circulation after administration?