Comparing the Duration of Action of Diazepam and Oxazepam
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Questions and Answers

Why does the duration of action of diazepam exceed that of oxazepam?

  • Diazepam has a lower lipid solubility compared to oxazepam
  • Diazepam is metabolized into active metabolites with long half-lives (correct)
  • Oxazepam is excreted through the kidneys more slowly than diazepam
  • Oxazepam has a higher binding affinity to plasma proteins

Which factor contributes to the extended duration of action of diazepam compared to oxazepam?

  • Higher plasma protein binding of diazepam
  • Lower lipophilicity of diazepam
  • Formation of active metabolites with long half-lives (correct)
  • Rapid renal excretion of diazepam

What mechanism primarily accounts for the longer duration of action of diazepam in comparison to oxazepam?

  • Metabolism into long-acting active compounds (correct)
  • Lower volume of distribution
  • Faster renal clearance
  • Stronger interaction with plasma proteins

Which of the following is a common side effect of angiotensin-converting enzyme (ACE) inhibitors?

<p>Dry cough (D)</p> Signup and view all the answers

What is the primary mechanism of action of calcium channel blockers in treating hypertension?

<p>Inhibition of calcium influx into vascular smooth muscle cells (C)</p> Signup and view all the answers

Which class of antihypertensive medications is contraindicated in patients with a history of angioedema?

<p>Angiotensin receptor blockers (ARBs) (D)</p> Signup and view all the answers

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