WREB Local Anesthesia ACTUAL
UPDATED Exam Questions and CORRECT
Answers
Benzocaine (topical) - CORRECT ANSWER - Americain, Lanacaine, Hurricane, Anbesol,
Orajel
5% Lidocaine (topical) - CORRECT ANSWER - Lidoderm
2.5% prilocaine, 2.5% lidocaine (topical) - CORRECT ANSWER - EMLA
Esters can result in topical allergies because of... - CORRECT ANSWER - PABA
Oraquix (2.5% lido, 2.5% prilo) contraindications - CORRECT ANSWER - Severe
impairment of renal/hepatic function, pregnant women or under age 18
What kind of anesthetic is in dentipatch? - CORRECT ANSWER - Lidocaine
Injectable Ester Anesthetics (contain PABA): - CORRECT ANSWER - Procaine
(Novocain), proproxycaine, Chloroprocaine
Contraindication for levenordefrin? - CORRECT ANSWER - Tricyclic antidepressants
Short-acting Amides injectables: - CORRECT ANSWER - 2% Lidocaine, 2% & 3%
mepivacaine, 4% prilocaine, 4% articaine
2% lidocaine brand names (2): - CORRECT ANSWER - Xylocaine, anestacaine,
Lignospan, Octocaine
,2-3% mepivacaine brand names: - CORRECT ANSWER - Carbocaine, Polocaine,
Scandonest
4% prilocaine brand name: - CORRECT ANSWER - Citanest
4% Articaine brand name: - CORRECT ANSWER - Septocaine, zorcaine
Contraindication for articaine? - CORRECT ANSWER - Red wine allergy, IANB
injection
Longer acting amide injectables: - CORRECT ANSWER - 2% bupivacaine, 1.5%
etidocaine
Brand name for bupivacaine 2% - CORRECT ANSWER - Marcaine
Brand name for etiodcaine 1.5% - CORRECT ANSWER - Duranest
Amides are metabolized by...
Excreted by... - CORRECT ANSWER - Liver (prilocaine in lungs as well)
Kidneys (mostly unchanged)
Esters (and articaine) are metabolized by...
Excreted by... - CORRECT ANSWER - Pseudocholinesterase in blood plasma
Kidneys
Avoid esters (and articaine) if... - CORRECT ANSWER - Atypical pseudocholinesterase
Myasthenia gravis
PABA allergy
, If there's methemoglobinemia... - CORRECT ANSWER - Avoid prilocaine & benzocaine
If taking beta blockers... - CORRECT ANSWER - limit or avoid vasoconstrictor. Could
elevate BP
Volume of 1 carpule of LA - CORRECT ANSWER - 1.8 mL
Function of Sodium Choride in LA solution? - CORRECT ANSWER - Isotonicity
Function of sodium bisulfite in LA solutions? - CORRECT ANSWER - Antioxidant
prevents degradation of LA (delays deterioration of epi)
Why use vasoconstrictors? - CORRECT ANSWER - Increase depth and duration of LA
If pt. is allergic to sulfite (also in red wine) what anesthetic can you give them? - CORRECT
ANSWER - Any plain LA. Plain anesthetics don't have sulfite preservatives in them.
SULFITE allergy, not sulfa.
First sign of local anesthesia toxicity - CORRECT ANSWER - CNS excitement
What exits the incisive foramen? - CORRECT ANSWER - Nasopalatine nerve
Nitrous oxide exits the body via... - CORRECT ANSWER - The lungs
Tachyplaxis - CORRECT ANSWER - Rapid decrease in the response to a drug after
repeated doses over a short period of time
How to treat trismus? - CORRECT ANSWER - Heat and jaw exercises
UPDATED Exam Questions and CORRECT
Answers
Benzocaine (topical) - CORRECT ANSWER - Americain, Lanacaine, Hurricane, Anbesol,
Orajel
5% Lidocaine (topical) - CORRECT ANSWER - Lidoderm
2.5% prilocaine, 2.5% lidocaine (topical) - CORRECT ANSWER - EMLA
Esters can result in topical allergies because of... - CORRECT ANSWER - PABA
Oraquix (2.5% lido, 2.5% prilo) contraindications - CORRECT ANSWER - Severe
impairment of renal/hepatic function, pregnant women or under age 18
What kind of anesthetic is in dentipatch? - CORRECT ANSWER - Lidocaine
Injectable Ester Anesthetics (contain PABA): - CORRECT ANSWER - Procaine
(Novocain), proproxycaine, Chloroprocaine
Contraindication for levenordefrin? - CORRECT ANSWER - Tricyclic antidepressants
Short-acting Amides injectables: - CORRECT ANSWER - 2% Lidocaine, 2% & 3%
mepivacaine, 4% prilocaine, 4% articaine
2% lidocaine brand names (2): - CORRECT ANSWER - Xylocaine, anestacaine,
Lignospan, Octocaine
,2-3% mepivacaine brand names: - CORRECT ANSWER - Carbocaine, Polocaine,
Scandonest
4% prilocaine brand name: - CORRECT ANSWER - Citanest
4% Articaine brand name: - CORRECT ANSWER - Septocaine, zorcaine
Contraindication for articaine? - CORRECT ANSWER - Red wine allergy, IANB
injection
Longer acting amide injectables: - CORRECT ANSWER - 2% bupivacaine, 1.5%
etidocaine
Brand name for bupivacaine 2% - CORRECT ANSWER - Marcaine
Brand name for etiodcaine 1.5% - CORRECT ANSWER - Duranest
Amides are metabolized by...
Excreted by... - CORRECT ANSWER - Liver (prilocaine in lungs as well)
Kidneys (mostly unchanged)
Esters (and articaine) are metabolized by...
Excreted by... - CORRECT ANSWER - Pseudocholinesterase in blood plasma
Kidneys
Avoid esters (and articaine) if... - CORRECT ANSWER - Atypical pseudocholinesterase
Myasthenia gravis
PABA allergy
, If there's methemoglobinemia... - CORRECT ANSWER - Avoid prilocaine & benzocaine
If taking beta blockers... - CORRECT ANSWER - limit or avoid vasoconstrictor. Could
elevate BP
Volume of 1 carpule of LA - CORRECT ANSWER - 1.8 mL
Function of Sodium Choride in LA solution? - CORRECT ANSWER - Isotonicity
Function of sodium bisulfite in LA solutions? - CORRECT ANSWER - Antioxidant
prevents degradation of LA (delays deterioration of epi)
Why use vasoconstrictors? - CORRECT ANSWER - Increase depth and duration of LA
If pt. is allergic to sulfite (also in red wine) what anesthetic can you give them? - CORRECT
ANSWER - Any plain LA. Plain anesthetics don't have sulfite preservatives in them.
SULFITE allergy, not sulfa.
First sign of local anesthesia toxicity - CORRECT ANSWER - CNS excitement
What exits the incisive foramen? - CORRECT ANSWER - Nasopalatine nerve
Nitrous oxide exits the body via... - CORRECT ANSWER - The lungs
Tachyplaxis - CORRECT ANSWER - Rapid decrease in the response to a drug after
repeated doses over a short period of time
How to treat trismus? - CORRECT ANSWER - Heat and jaw exercises
