3 LOCAL ANESTHESIA BOARD EXAM
QUESTIONS AND ANSWERS 2026
VERIFIED.
What is the dendritic zone? - ANS free nerve endings
What consists of myelinated nerves? - ANS many layers of Schwann cells and rapid
conduction of impulses
What is it called when the nerve quickly depolarizes due to the flood of positively charged Na+
ions and Ca+ opens? - ANS rapid depolarization
The ability to decrease the depolarization phase of action potential can be achieved by what? -
ANS local anesthesia
What are some examples of amides? Where are they metabolized? Can they cause a true
allergic reaction? - ANS Lidocaine, Mepivicaine, Prilocaine, Bupivicaine, Articaine
liver
rarely cause reaction
What are some examples of esters? They are hydrolyzed in ____ by _____. - ANS Procaine,
Novocaine, Benzocaine, Tetracaine
plasma
pseudocholinesterase/blood
@COPYRIGHT ALL RIGHTS RESERVED PAGE 1 OF 8
, True/False: All local anesthetic agents cross the blood brain barrier, placenta barrier, and enter
the circulatory system of the fetus. - ANS True
A patient with liver dysfunction is at an increased risk for? - ANS Hypotension, congestive
heart failure and decreased liver function (cirrhosis)
What is the meaning of elimination half-life? - ANS the rate at which the drug is removed
from the body's circulation
What is the amount of time needed for the body to metabolize and excrete 50% of the drug? -
ANS Bupivacaine= 3.5 hrs
Mepivacaine= 1.9 hrs
Lidocaine= 1.6 hrs
Prilocaine= 1.6 hrs
Articaine= .5hrs
What is the primary organ for excretion? What can impair excretion? - ANS kidneys
renal disease
What is the maximum dose of epinephrine for healthy and cardiac patients? - ANS 0.20 mg
for healthy individual
0.04 mg for cardiac (20% of standard dose)
What are some absolute contraindications for local anesthesia? - ANS 1. BP >200/115
2. <6 months after CVA or heart attack
3. Unstable or daily episodes of angina
4. Cardiac dysrhythmia despite treatment
5. <6 months post coronary artery bypass surgery
6. Uncontrolled hyperthyroidism
@COPYRIGHT ALL RIGHTS RESERVED PAGE 2 OF 8
QUESTIONS AND ANSWERS 2026
VERIFIED.
What is the dendritic zone? - ANS free nerve endings
What consists of myelinated nerves? - ANS many layers of Schwann cells and rapid
conduction of impulses
What is it called when the nerve quickly depolarizes due to the flood of positively charged Na+
ions and Ca+ opens? - ANS rapid depolarization
The ability to decrease the depolarization phase of action potential can be achieved by what? -
ANS local anesthesia
What are some examples of amides? Where are they metabolized? Can they cause a true
allergic reaction? - ANS Lidocaine, Mepivicaine, Prilocaine, Bupivicaine, Articaine
liver
rarely cause reaction
What are some examples of esters? They are hydrolyzed in ____ by _____. - ANS Procaine,
Novocaine, Benzocaine, Tetracaine
plasma
pseudocholinesterase/blood
@COPYRIGHT ALL RIGHTS RESERVED PAGE 1 OF 8
, True/False: All local anesthetic agents cross the blood brain barrier, placenta barrier, and enter
the circulatory system of the fetus. - ANS True
A patient with liver dysfunction is at an increased risk for? - ANS Hypotension, congestive
heart failure and decreased liver function (cirrhosis)
What is the meaning of elimination half-life? - ANS the rate at which the drug is removed
from the body's circulation
What is the amount of time needed for the body to metabolize and excrete 50% of the drug? -
ANS Bupivacaine= 3.5 hrs
Mepivacaine= 1.9 hrs
Lidocaine= 1.6 hrs
Prilocaine= 1.6 hrs
Articaine= .5hrs
What is the primary organ for excretion? What can impair excretion? - ANS kidneys
renal disease
What is the maximum dose of epinephrine for healthy and cardiac patients? - ANS 0.20 mg
for healthy individual
0.04 mg for cardiac (20% of standard dose)
What are some absolute contraindications for local anesthesia? - ANS 1. BP >200/115
2. <6 months after CVA or heart attack
3. Unstable or daily episodes of angina
4. Cardiac dysrhythmia despite treatment
5. <6 months post coronary artery bypass surgery
6. Uncontrolled hyperthyroidism
@COPYRIGHT ALL RIGHTS RESERVED PAGE 2 OF 8
