LOCAL ANESTHESIA BOARD EXAM
QUESTIONS AND ANSWERS 2026
VERIFIED.
Where does the mandibular nerve pass through in the skull? - ANS Foramen Ovale
Trigeminal nerve (CN V) - ANS V1 ophthalmic (sensory)
V2 maxillary (only sensory)
V3 mandibular (both)
Where nasopalatine nerve passes through - ANS Incisive Foramen
Maxillary division of Trigeminal Nerve is - ANS -V2
-Sensory
Nerve NOT associated with the mandibular nerve branch - ANS Infraorbital nerve
The IANB anesthetizes which nerves - ANS -inferior alveolar
-lingual nerve
-mental nerve
-does not anesthetize the buccal nerve
@COPYRIGHT ALL RIGHTS RESERVED PAGE 1 OF 8
, Teeth that PSA innervates - ANS 1st, 2nd, and 3rd maxillary molars, but may not innervate
MB root of the maxillary 1st molar
What injection is needed to anesthetize linguals of max anteriors - ANS Nasopalatine
What injections are needed to anesthetize the entire palate on one side - ANS Greater
Palatine and Nasopalatine
How far do you insert the needle on an IANB? - ANS 20-25 mm or 3/4 the length of the
needle
What happens during depolarization? - ANS Sodium channels open, Na goes in and K goes
out
-tries to get to +40 to have an action potential
What happens during repolarization? - ANS sodium channels close, Na goes back out and K
comess back in
-60 to -90
When do you aspirate? - ANS Right before anesthetic is to be deposited
Which local anesthetic is metabolized by pseudocholinesterase? - ANS Esters
Topical anesthetics are least effective on? - ANS Keratinized tissues: masiticatory mucosa,
hard palate
What is true of topical anesthetics? - ANS No systemic problems
Which has the highest occurrence of allergic reactions? - ANS Ester option; Benzocaine
@COPYRIGHT ALL RIGHTS RESERVED PAGE 2 OF 8
QUESTIONS AND ANSWERS 2026
VERIFIED.
Where does the mandibular nerve pass through in the skull? - ANS Foramen Ovale
Trigeminal nerve (CN V) - ANS V1 ophthalmic (sensory)
V2 maxillary (only sensory)
V3 mandibular (both)
Where nasopalatine nerve passes through - ANS Incisive Foramen
Maxillary division of Trigeminal Nerve is - ANS -V2
-Sensory
Nerve NOT associated with the mandibular nerve branch - ANS Infraorbital nerve
The IANB anesthetizes which nerves - ANS -inferior alveolar
-lingual nerve
-mental nerve
-does not anesthetize the buccal nerve
@COPYRIGHT ALL RIGHTS RESERVED PAGE 1 OF 8
, Teeth that PSA innervates - ANS 1st, 2nd, and 3rd maxillary molars, but may not innervate
MB root of the maxillary 1st molar
What injection is needed to anesthetize linguals of max anteriors - ANS Nasopalatine
What injections are needed to anesthetize the entire palate on one side - ANS Greater
Palatine and Nasopalatine
How far do you insert the needle on an IANB? - ANS 20-25 mm or 3/4 the length of the
needle
What happens during depolarization? - ANS Sodium channels open, Na goes in and K goes
out
-tries to get to +40 to have an action potential
What happens during repolarization? - ANS sodium channels close, Na goes back out and K
comess back in
-60 to -90
When do you aspirate? - ANS Right before anesthetic is to be deposited
Which local anesthetic is metabolized by pseudocholinesterase? - ANS Esters
Topical anesthetics are least effective on? - ANS Keratinized tissues: masiticatory mucosa,
hard palate
What is true of topical anesthetics? - ANS No systemic problems
Which has the highest occurrence of allergic reactions? - ANS Ester option; Benzocaine
@COPYRIGHT ALL RIGHTS RESERVED PAGE 2 OF 8
