Drug Interactions and Pharmaceutical Dispensing Quiz
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Questions and Answers

What is a drug interaction?

  • A measurable modification of the action of one drug by prior or concomitant administration of another substance (correct)
  • The complete neutralization of one drug by another drug
  • The increase in the therapeutic effect of a drug by combining it with another substance
  • The decrease in the side effects of a drug by taking it with another substance

How can a drug interaction usually be corrected?

  • By ignoring the interaction and continuing with the same dosage
  • By increasing the dosage of the precipitant drug
  • By discontinuing both drugs immediately
  • By the proper adjustment of dosage if the suspected interaction is detected (correct)

What is the role of the 'precipitant drug' in a drug interaction?

  • Minimizing the interaction
  • Being unaffected by the interaction
  • Causing the interaction (correct)
  • Balancing the interaction

What is an example of a fixed drug combination with beneficial effects?

<p>Trimethoprim and Sulfamethoxazole (C)</p> Signup and view all the answers

In the example given, why should Tetracycline not be taken with milk?

<p>Tetracycline is inactivated by calcium present in milk (D)</p> Signup and view all the answers

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