Local Anesthesia Board Exam 2026
Questions and Answers
Where does the mandibular nerve pass through in the skull? - Correct answer-
Foramen Ovale
Trigeminal nerve (CN V) - Correct answer-V1 ophthalmic (sensory)
V2 maxillary (only sensory)
V3 mandibular (both)
Where nasopalatine nerve passes through - Correct answer-Incisive Foramen
Maxillary division of Trigeminal Nerve is - Correct answer--V2
-Sensory
Nerve NOT associated with the mandibular nerve branch - Correct answer-
Infraorbital nerve
The IANB anesthetizes which nerves - Correct answer--inferior alveolar
-lingual nerve
-mental nerve
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, -does not anesthetize the buccal nerve
Teeth that PSA innervates - Correct answer-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 - Correct answer-
Nasopalatine
What injections are needed to anesthetize the entire palate on one side - Correct
answer-Greater Palatine and Nasopalatine
How far do you insert the needle on an IANB? - Correct answer-20-25 mm or 3/4
the length of the needle
What happens during depolarization? - Correct answer-Sodium channels open, Na
goes in and K goes out
-tries to get to +40 to have an action potential
What happens during repolarization? - Correct answer-sodium channels close, Na
goes back out and K comess back in
-60 to -90
When do you aspirate? - Correct answer-Right before anesthetic is to be deposited
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
Questions and Answers
Where does the mandibular nerve pass through in the skull? - Correct answer-
Foramen Ovale
Trigeminal nerve (CN V) - Correct answer-V1 ophthalmic (sensory)
V2 maxillary (only sensory)
V3 mandibular (both)
Where nasopalatine nerve passes through - Correct answer-Incisive Foramen
Maxillary division of Trigeminal Nerve is - Correct answer--V2
-Sensory
Nerve NOT associated with the mandibular nerve branch - Correct answer-
Infraorbital nerve
The IANB anesthetizes which nerves - Correct answer--inferior alveolar
-lingual nerve
-mental nerve
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, -does not anesthetize the buccal nerve
Teeth that PSA innervates - Correct answer-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 - Correct answer-
Nasopalatine
What injections are needed to anesthetize the entire palate on one side - Correct
answer-Greater Palatine and Nasopalatine
How far do you insert the needle on an IANB? - Correct answer-20-25 mm or 3/4
the length of the needle
What happens during depolarization? - Correct answer-Sodium channels open, Na
goes in and K goes out
-tries to get to +40 to have an action potential
What happens during repolarization? - Correct answer-sodium channels close, Na
goes back out and K comess back in
-60 to -90
When do you aspirate? - Correct answer-Right before anesthetic is to be deposited
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
