LOCAL ANESTHESIA BOARD REVIEW
QUESTIONS & ANSWERS
local anesthesia is the __ - Correct Answers -reversible depression of peripheral nerve
condition
which of the following are characteristics of the "ideal" local anesthetic agents? - Correct
Answers -absence of allergic reactions, absence of systemic reaction, long duration
all local anesthetics produce vasodilation which __ - Correct Answers -increases the
rate of absorption
the greatest percentage of local anesthetics can be found in the __ after absorption into
the blood stream - Correct Answers -skeletal muscle
amide local anesthetic agents are metabolized in the __ - Correct Answers -liver
which of the following is NOT an indication of CNS toxicity? - Correct Answers -
unilateral numbness of the tongue
the weakest vasoconstrictor used in dentistry is __ - Correct Answers -levonordefrin
sodium bisulfite is added to anesthetics with vasoconstriction to __ - Correct Answers -
prolong the shelf life of the solution
in the US, local anesthetic cartridges contain a volume of __ - Correct Answers -1.8ml
you have just administered an IA injection. The patient experiences pain as you remove
the needle. The most likely explanation is: - Correct Answers -there is a barb on the end
of the needle
the greatest efficiency in aspirating is determined by __ - Correct Answers -needle
gauge
what design feature of a syringe is necessary for a syringe to be an aspirating syringe? -
Correct Answers -the harpoon
, prilocaine plain has a very __ toxicity - Correct Answers -low
at high blood levels of local anesthetic, signs of cardiovascular overdose may include __
- Correct Answers -depressed BP
for patients with history of heart disease, the maximum number of cartridges of
xylocaine 1:100,000 epic is __ - Correct Answers -2
Lidocaine __ - Correct Answers -is the gold standard against which all new local
anesthetics are measured
of the following, the most frequent cause of needle breakage is __ - Correct Answers -
sudden unexpected patient movement
psychogenic responsies __ - Correct Answers -can be life threatening
the most common psychogenic response is __ - Correct Answers -vasodepressor
syncope
for which of the following injections would topical anesthetic be the LEAST effective? -
Correct Answers -greater palatine
as a rule, topical anesthetic agents __ - Correct Answers -are used in greater
concentration than injectable anesthetics
dyclonine hydrochloride __ - Correct Answers -has a long duration of action
benzocaine, a topical anesthetic __ - Correct Answers -is minimally absorbed
which local anesthetic agent can limit the need for post surgical opioid analgesic
agents? - Correct Answers -bupivacaine
your patient has a history of cardiac disease. The cardiologist requests that you do not
use a vasoconstrictor. Which local anesthetic agent would be the best choice for scaling
and root planing this patient? - Correct Answers -3% mepivacaine
Ester local anesthetics agents are metabolized in the blood by the enzyme __ - Correct
Answers -psuedocholinesterase
local anesthetic cartridges should be __ - Correct Answers -kept in their original
container
a __ needle is recommended for IA nerve blocks - Correct Answers -25 gauge long
needle
a __ needle is NOT recommended - Correct Answers -25 gauge long needle for PSA
QUESTIONS & ANSWERS
local anesthesia is the __ - Correct Answers -reversible depression of peripheral nerve
condition
which of the following are characteristics of the "ideal" local anesthetic agents? - Correct
Answers -absence of allergic reactions, absence of systemic reaction, long duration
all local anesthetics produce vasodilation which __ - Correct Answers -increases the
rate of absorption
the greatest percentage of local anesthetics can be found in the __ after absorption into
the blood stream - Correct Answers -skeletal muscle
amide local anesthetic agents are metabolized in the __ - Correct Answers -liver
which of the following is NOT an indication of CNS toxicity? - Correct Answers -
unilateral numbness of the tongue
the weakest vasoconstrictor used in dentistry is __ - Correct Answers -levonordefrin
sodium bisulfite is added to anesthetics with vasoconstriction to __ - Correct Answers -
prolong the shelf life of the solution
in the US, local anesthetic cartridges contain a volume of __ - Correct Answers -1.8ml
you have just administered an IA injection. The patient experiences pain as you remove
the needle. The most likely explanation is: - Correct Answers -there is a barb on the end
of the needle
the greatest efficiency in aspirating is determined by __ - Correct Answers -needle
gauge
what design feature of a syringe is necessary for a syringe to be an aspirating syringe? -
Correct Answers -the harpoon
, prilocaine plain has a very __ toxicity - Correct Answers -low
at high blood levels of local anesthetic, signs of cardiovascular overdose may include __
- Correct Answers -depressed BP
for patients with history of heart disease, the maximum number of cartridges of
xylocaine 1:100,000 epic is __ - Correct Answers -2
Lidocaine __ - Correct Answers -is the gold standard against which all new local
anesthetics are measured
of the following, the most frequent cause of needle breakage is __ - Correct Answers -
sudden unexpected patient movement
psychogenic responsies __ - Correct Answers -can be life threatening
the most common psychogenic response is __ - Correct Answers -vasodepressor
syncope
for which of the following injections would topical anesthetic be the LEAST effective? -
Correct Answers -greater palatine
as a rule, topical anesthetic agents __ - Correct Answers -are used in greater
concentration than injectable anesthetics
dyclonine hydrochloride __ - Correct Answers -has a long duration of action
benzocaine, a topical anesthetic __ - Correct Answers -is minimally absorbed
which local anesthetic agent can limit the need for post surgical opioid analgesic
agents? - Correct Answers -bupivacaine
your patient has a history of cardiac disease. The cardiologist requests that you do not
use a vasoconstrictor. Which local anesthetic agent would be the best choice for scaling
and root planing this patient? - Correct Answers -3% mepivacaine
Ester local anesthetics agents are metabolized in the blood by the enzyme __ - Correct
Answers -psuedocholinesterase
local anesthetic cartridges should be __ - Correct Answers -kept in their original
container
a __ needle is recommended for IA nerve blocks - Correct Answers -25 gauge long
needle
a __ needle is NOT recommended - Correct Answers -25 gauge long needle for PSA