Local Anaesthesia and Pain Management · CDA

Which component of local anesthetic solution prolongs anesthesia and reduces bleeding?

  1. Buffering agent
  2. Epinephrine
  3. Preservative
  4. Saline carrier
Show answer and explanation

Correct answer: Epinephrine

Epinephrine constricts blood vessels, which keeps anesthetic at the site longer and reduces bleeding. It also increases depth of anesthesia.

Difficulty: Medium Question 2 of 20

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