Podcast
Questions and Answers
What is the primary mechanism of action of local anesthetics?
What is the primary mechanism of action of local anesthetics?
- Causing loss of consciousness
- Removing pain receptors from the skin
- Blocking the nerves from the affected part of the body (correct)
- Blocking pain signals to the brain
What is the effect of topical anesthesia?
What is the effect of topical anesthesia?
- Loss of consciousness
- Long-lasting pain relief
- Complete loss of feeling to a specific part of the body
- Short-lasting pain relief limited to the area of contact (correct)
What is the purpose of a spinal anesthesia?
What is the purpose of a spinal anesthesia?
- To act on spinal nerve roots and part of the spinal cord (correct)
- To block pain signals to the brain
- To produce long-lasting post-surgical analgesia
- To cause loss of consciousness
What is a characteristic of regional anesthesia (Bier's block)?
What is a characteristic of regional anesthesia (Bier's block)?
What is the main effect of local anesthetics on the nervous system?
What is the main effect of local anesthetics on the nervous system?
What is the application of local injection anesthesia?
What is the application of local injection anesthesia?
What is the effect of adding a vasoconstrictive agent to a local anesthetic solution?
What is the effect of adding a vasoconstrictive agent to a local anesthetic solution?
What is the significance of the 1:100,000 dilution of epinephrine in a local anesthetic solution?
What is the significance of the 1:100,000 dilution of epinephrine in a local anesthetic solution?
What is the chemical structure of Lidocaine Hydrochloride?
What is the chemical structure of Lidocaine Hydrochloride?
What is the purpose of adding vasoconstrictors to local anesthetics?
What is the purpose of adding vasoconstrictors to local anesthetics?
What is the consequence of using a local anesthetic with a vasoconstrictive agent on the duration of action?
What is the consequence of using a local anesthetic with a vasoconstrictive agent on the duration of action?
What is a limitation of using sprays for topical application of local anesthetic agents?
What is a limitation of using sprays for topical application of local anesthetic agents?
Why are vasoconstrictors added to the solution of local anesthetics?
Why are vasoconstrictors added to the solution of local anesthetics?
What is the effect of acidic surroundings on topically applied local anesthetic agents?
What is the effect of acidic surroundings on topically applied local anesthetic agents?
What is the difference in concentration of lidocaine between injectable and topical forms?
What is the difference in concentration of lidocaine between injectable and topical forms?
What is a consideration for the use of patches in topical application of local anesthetics?
What is a consideration for the use of patches in topical application of local anesthetics?
What is the chemical structure of benzocaine?
What is the chemical structure of benzocaine?
