Pharmacology Founders and Curriculum Overview
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Questions and Answers

In which environment are acidic drugs more likely to be non-ionized?

  • Basic environment
  • Neutral environment
  • Alkaline environment
  • Acidic environment (correct)
  • What is the predominant form of drug molecules when pH is greater than pKa?

  • Non-protonated forms (correct)
  • Partially ionized forms
  • Neutral forms
  • Protonated forms
  • In which environment are basic drugs more likely to be non-ionized?

  • Alkaline environment
  • Basic environment (correct)
  • Neutral environment
  • Acidic environment
  • What does the equation pH - pKa = log [HA] represent?

    <p>Relationship between pH and the concentration of non-ionized acid</p> Signup and view all the answers

    Why are non-ionized forms of drugs generally more lipophilic?

    <p>They can penetrate cell membranes more easily</p> Signup and view all the answers

    What happens to acid drugs in an alkaline environment?

    <p>They become more ionized</p> Signup and view all the answers

    Why do basic drugs tend to be non-ionized in the small intestine?

    <p>To facilitate faster absorption through cell membranes</p> Signup and view all the answers

    What form do basic drugs predominantly take in an acidic environment?

    <p>Ionized form</p> Signup and view all the answers

    What is the effect on drug absorption when the pH is less than pKa for a basic drug?

    <p>Increased ionized form</p> Signup and view all the answers

    Why do non-ionized forms of drugs have faster absorption through cell membranes?

    <p>They can penetrate cell membranes more easily</p> Signup and view all the answers

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