LOCAL ANESTHESIA BOARD REVIEW
EXAM QUESTIONS AND ANSWERS 2026
VERIFIED.
What causes droopy eyelid? - ANS Anesthesia of the facial nerve, possibly during IA injection
into parotid gland
You are administering 3 cartridges of 1% lidocaine, each cartridge is 1.7 mL.
How much anesthesia are you administering? - ANS 51mg
Which nerve is not a branch of the mandibular nerve? - ANS Infraorbital
If you are giving 3 carpools of 3% lidocaine and each cartridge contains 1.7 mL, how many
milligrams of solution will the patient receive? - ANS 153 mg
Innervation of the soft palate? - ANS Lesser palatine nerve
If you use a LARGE amount of topical anesthetic, what is the likely outcome? - ANS Diffusion
Why does anesthesia fail to work near abscessed tooth? - ANS Infection causes pH to lower
in area.
@COPYRIGHT ALL RIGHTS RESERVED PAGE 1 OF 17
,The more acidic the area is, the less effective anesthesia will be.
Topical anesthesia question...
Which one of the following statements is the most accurate? - ANS Benzocaine is not
absorbed systemically
Location for buccal injection? - ANS Distal and buccal to last molar in buccal tissue
If you want hemostasis, what injection is best? - ANS Infiltration
If a patient has cirrhosis of the liver, why would you use caution in administering an amide? -
ANS Because amides are biotransformed / metabolized in the liver.
Most common anesthetic without epinephrine? - ANS Mepivicaine
Hematoma will occur when you inject into the pterygoid plexus during what injection? -
ANS PSA
How do you manage trismus? - ANS Heat and jaw exercises
Which anesthetic is not an amide? - ANS Procaine
Ongoing numbness of the anterior part of the tongue is caused by which nerve being
anesthetized? - ANS Lingual
Know the amounts of epinephrine in solutions. - ANS 1:50,000 = .036
@COPYRIGHT ALL RIGHTS RESERVED PAGE 2 OF 17
, 1:100,000 = .018
1:200,000 = .009
What is the first sign of anesthesia overdose? - ANS Blood pressure increases, heart rate
increases, increase respiration
When administering the IA injection, at what point should needle contact bone? - ANS 2/3 or
3/4 of needle
If administering 1 mL per minute to patient, what are the most likely effects on the patient? -
ANS Few adverse effects
What is the best description of topical anesthetics? - ANS Works on mucous membranes,
only 2-3 mm of numbness
Name 1 incorrect recapping technique? - ANS 2-handed method
If scaling #8, where do you inject? - ANS Mucobuccal fold
Why does anesthesia work better in maxilla than in mandibular? - ANS Mandibular bone is
more dense.
Patient receives electric shock during delivery of anesthesia but no pain upon insertion, what is
the most likely cause? - ANS Touched nerve sheath
How do local anesthetics work? - ANS Conduction block of sodium ions
@COPYRIGHT ALL RIGHTS RESERVED PAGE 3 OF 17
EXAM QUESTIONS AND ANSWERS 2026
VERIFIED.
What causes droopy eyelid? - ANS Anesthesia of the facial nerve, possibly during IA injection
into parotid gland
You are administering 3 cartridges of 1% lidocaine, each cartridge is 1.7 mL.
How much anesthesia are you administering? - ANS 51mg
Which nerve is not a branch of the mandibular nerve? - ANS Infraorbital
If you are giving 3 carpools of 3% lidocaine and each cartridge contains 1.7 mL, how many
milligrams of solution will the patient receive? - ANS 153 mg
Innervation of the soft palate? - ANS Lesser palatine nerve
If you use a LARGE amount of topical anesthetic, what is the likely outcome? - ANS Diffusion
Why does anesthesia fail to work near abscessed tooth? - ANS Infection causes pH to lower
in area.
@COPYRIGHT ALL RIGHTS RESERVED PAGE 1 OF 17
,The more acidic the area is, the less effective anesthesia will be.
Topical anesthesia question...
Which one of the following statements is the most accurate? - ANS Benzocaine is not
absorbed systemically
Location for buccal injection? - ANS Distal and buccal to last molar in buccal tissue
If you want hemostasis, what injection is best? - ANS Infiltration
If a patient has cirrhosis of the liver, why would you use caution in administering an amide? -
ANS Because amides are biotransformed / metabolized in the liver.
Most common anesthetic without epinephrine? - ANS Mepivicaine
Hematoma will occur when you inject into the pterygoid plexus during what injection? -
ANS PSA
How do you manage trismus? - ANS Heat and jaw exercises
Which anesthetic is not an amide? - ANS Procaine
Ongoing numbness of the anterior part of the tongue is caused by which nerve being
anesthetized? - ANS Lingual
Know the amounts of epinephrine in solutions. - ANS 1:50,000 = .036
@COPYRIGHT ALL RIGHTS RESERVED PAGE 2 OF 17
, 1:100,000 = .018
1:200,000 = .009
What is the first sign of anesthesia overdose? - ANS Blood pressure increases, heart rate
increases, increase respiration
When administering the IA injection, at what point should needle contact bone? - ANS 2/3 or
3/4 of needle
If administering 1 mL per minute to patient, what are the most likely effects on the patient? -
ANS Few adverse effects
What is the best description of topical anesthetics? - ANS Works on mucous membranes,
only 2-3 mm of numbness
Name 1 incorrect recapping technique? - ANS 2-handed method
If scaling #8, where do you inject? - ANS Mucobuccal fold
Why does anesthesia work better in maxilla than in mandibular? - ANS Mandibular bone is
more dense.
Patient receives electric shock during delivery of anesthesia but no pain upon insertion, what is
the most likely cause? - ANS Touched nerve sheath
How do local anesthetics work? - ANS Conduction block of sodium ions
@COPYRIGHT ALL RIGHTS RESERVED PAGE 3 OF 17
