Local Anesthetics Quiz
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Questions and Answers

Which type of local anesthetics are generally unstable in solution and have common allergic reactions?

  • Benzoic acid derivatives
  • PABA derivatives
  • Ester derivatives (correct)
  • Amide derivatives

Which combination of local anesthetics includes Lidocaine and Prilocaine?

  • Cocaine and Procaine
  • Lidocaine and Prilocaine (EMLA) (correct)
  • Benzocaine and Tetracaine
  • Lidocaine and Bupivacaine

Which type of local anesthetics are generally heat stable and have a slower onset of action?

  • Ester derivatives
  • Amide derivatives (correct)
  • PABA derivatives
  • Benzoic acid derivatives

Which type of local anesthetics are structurally related to cocaine but do not have abuse potential?

<p>Amide derivatives (D)</p> Signup and view all the answers

What is the primary function of local anesthetics?

<p>Prevent transmission of nerve impulses without causing unconsciousness (D)</p> Signup and view all the answers

Local anesthetics cause unconsciousness by blocking sensory nerve conductance

<p>False (B)</p> Signup and view all the answers

Ester local anesthetics are generally fast-acting and stable in solution

<p>False (B)</p> Signup and view all the answers

Amide local anesthetics have a slower onset of action compared to ester anesthetics

<p>True (A)</p> Signup and view all the answers

Synthetic local anesthetics have abuse potential and act on the sympathetic nervous system

<p>False (B)</p> Signup and view all the answers

Cocaine is a synthetic local anesthetic

<p>False (B)</p> Signup and view all the answers

Flashcards

Ester derivatives

Local anesthetics that are generally less stable in solution and have a higher risk of allergic reactions.

EMLA

A common combination of local anesthetics used topically. It includes Lidocaine and Prilocaine.

Amide derivatives

Local anesthetics that are more stable in solution and have a slower onset of action.

Amide derivatives

Local anesthetics that are structurally similar to cocaine but do not have addictive properties.

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Primary function of local anesthetics

The primary function of local anesthetics is to block the transmission of nerve impulses without causing a loss of consciousness.

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Do local anesthetics cause unconsciousness?

False. Local anesthetics do not cause unconsciousness.

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Ester local anesthetics are generally fast-acting and stable in solution

False. Ester local anesthetics are typically fast-acting and less stable. Think 'E'ster for 'E'asily broken down.

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Amide local anesthetics have a slower onset of action compared to ester anesthetics

True. Amide derivatives have a slower onset of action compared to ester derivatives.

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Do synthetic local anesthetics have abuse potential?

False. Synthetic local anesthetics do not have addictive properties and they do not affect the sympathetic nervous system.

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Is cocaine a synthetic local anesthetic?

False. Cocaine is a natural local anesthetic. It is derived from the coca plant.

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