Administering a vasoconstrictor would result in which of the following?

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Prepare for the CRDTS Local Anesthesia Test with our quiz. Use flashcards and multiple-choice questions, each with hints and explanations, to ensure you're ready for your exam!

Multiple Choice

Administering a vasoconstrictor would result in which of the following?

Explanation:
Vasoconstrictors limit blood flow to the injection site, so the local anesthetic is absorbed into the bloodstream more slowly. This keeps the drug in the tissues longer, extending anesthesia and lowering peak systemic concentrations, which reduces the risk of toxicity. So the absorption is slowed rather than rapid, and immediate toxicity is unlikely because systemic exposure is kept lower.

Vasoconstrictors limit blood flow to the injection site, so the local anesthetic is absorbed into the bloodstream more slowly. This keeps the drug in the tissues longer, extending anesthesia and lowering peak systemic concentrations, which reduces the risk of toxicity. So the absorption is slowed rather than rapid, and immediate toxicity is unlikely because systemic exposure is kept lower.

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