Administering a vasoconstrictor would result in which of the following?

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Prepare for the CRDTS Local Anesthesia Test with comprehensive quizzes and flashcards. Understand every detail with hints and explanations. Ace your exam with confidence!

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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