Pharmacokinetics and Drug Absorption Quiz
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Questions and Answers

Which factor will not influence the process of drug absorption in the gastroenteric tract?

  • Activity of microsomal hepatic enzymes (correct)
  • Taking of food
  • Receiving of other medicines
  • Solubility of the drug in lipids or water
  • Which pharmakokinetical index should be taken into account in administration of drugs firmly connected to the blood proteins?

  • Degree of binding to plasma proteins
  • Coeffecient of diffusion in the intestine
  • Halflife period (correct)
  • Width of therapeutical action
  • What is the mechanism of absorption of a drug substance possessing lipophilic properties?

  • Active transport
  • Pinocytosis
  • Filtration (correct)
  • Binding to transport proteins
  • If the drug substance or toxin inhibits synthesis of ATP, what mechanism of penetration through the cell membrane is blocked?

    <p>Passive diffusion</p> Signup and view all the answers

    Indicate the route of introduction of a drug which doesn't belong to enteral:

    <p>Intravenous</p> Signup and view all the answers

    Study Notes

    Factors Influencing Drug Absorption

    • pH of the gastroenteric tract is not a factor that influences the process of drug absorption.

    Pharmacokinetic Index

    • Protein binding is the pharmakokinetical index that should be taken into account in the administration of drugs firmly connected to the blood proteins.

    Mechanism of Absorption

    • Lipophilic drugs are absorbed through passive diffusion.

    Mechanism of Penetration

    • Inhibiting ATP synthesis blocks the active transport mechanism of penetration through the cell membrane.

    Routes of Drug Introduction

    • Parenteral route is the route of introduction of a drug that doesn't belong to enteral.

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    Description

    Test your knowledge of pharmacokinetics, pharmacodynamics, and adverse drug reactions with this quiz. Explore the factors influencing drug absorption in the gastrointestinal tract and determine which one will not affect the process when a tablet is prescribed for treating hypertension.

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