Local and Regional Analgesic Techniques
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Questions and Answers

Which factor is related to the conduction blockade of nerve fibers by local anesthetics?

  • Size of the nerve
  • Frequency of activity
  • Thickness of the myelin sheath
  • All of the above (correct)
  • Which type of nerve fibers tend to be anesthetized before larger motor and proprioceptive fibers?

  • Sympathetic fibers
  • Small sensory and autonomic fibers (correct)
  • Large motor and proprioceptive fibers
  • Pain fibers
  • Which local anesthetic is commonly used in a combination analgesic protocol known as MLK for dogs?

  • Bupivacaine
  • Mepivacaine
  • Lidocaine (correct)
  • Ropivacaine
  • Why is the use of constant-rate infusion lidocaine during anesthesia not recommended for cats?

    <p>It has negative cardiovascular effects</p> Signup and view all the answers

    What is the benefit of using lidocaine patches in dogs and cats?

    <p>Low systemic absorption rate and high local tissue concentration</p> Signup and view all the answers

    What is the recommended application time for eutectic 2.5% lidocaine and 2.5% prilocaine cream for use in dogs, cats, rabbits, horses, and pigs?

    <p>30 minutes beneath an occlusive dressing</p> Signup and view all the answers

    Why is bupivacaine the preferred drug for postoperative analgesia?

    <p>It has a relatively long duration of action</p> Signup and view all the answers

    What is the mechanism of action of topical capsaicin in treating pain?

    <p>It blocks the transient receptor potential vanilloid 1 (TRPV1) receptor</p> Signup and view all the answers

    What must be done cautiously when dosing neonatal or small animals with eutectic 2.5% lidocaine and 2.5% prilocaine cream?

    <p>Use repeated dosing</p> Signup and view all the answers

    Why is bupivacaine liposomal-encapsulated injectable suspension approved for single-dose infiltration into the surgical site?

    <p>To release bupivacaine locally due to its small molecule size</p> Signup and view all the answers

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