Pharmacokinetics Models Quiz
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Questions and Answers

What is the main goal in pharmacokinetics?

To express the time course of the plasma concentrations mathematically.

Why do compartmental models play a significant role in pharmacokinetics?

They allow the dose and individual processes of ADME to be combined logically to create simple models of a complex system.

What is the salt factor in pharmacokinetics?

The fraction of the salt that is made up of pure drug.

How does the bioavailability factor affect drug administration?

<p>It accounts for the portion of the dose that is lost before reaching the systemic circulation.</p> Signup and view all the answers

What is the definition of Effective Dose in pharmacokinetics?

<p>The amount of parent drug that reaches the systemic circulation.</p> Signup and view all the answers

What is the formula to calculate effective dose of a drug?

<p>Effective dose = S x F x D</p> Signup and view all the answers

In Example 1, what is the effective dose when a 400-mg tablet of theophylline is administered?

<p>288 mg</p> Signup and view all the answers

What is the formula for the rate of drug absorption?

<p>Rate of absorption = ka x AGI</p> Signup and view all the answers

In Example 2, what is the effective dose of a 5-mg tablet of a drug susceptible to acid hydrolysis and metabolism, where only 25% reaches systemic circulation?

<p>1.19 mg</p> Signup and view all the answers

For orally administered drugs, in which routes of administration does the process of drug absorption occur?

<p>All routes except for the direct systemic routes, such as IV</p> Signup and view all the answers

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