Practice Quiz

Veterinary Technician

Category - Pharmacology

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How does bioavailability relate significantly to drugs administered by mouth and absorbed through the GI tract?
  1. It has the ability to induce emesis in patients.
  2. It reduces the potential side effects of any given drug.
  3. Intestinal epithelial cells and the liver can reduce the amount of unchanged drug that enters the circulation system.
  4. None of the above
Explanation
Answer: C - Intestinal epithelial cells and the liver can reduce the amount of unchanged drug that enters the circulation system, hence the reason that bioavailability relates significantly to drugs administered by mouth and absorbed through the GI tract. Bioavailability describes both the rate and the extent of which a drug enters the circulation system intact.
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