Local Anesthesia Final ACTUAL Questions
and CORRECT Answers
A patient may present with a bifid inferior alveolar nerve, in which case a second mandibular
foramen is more superiorly placed. The second foramen may be detected by noting a doubled
mandibular canal on a radiograph.
Select one:
a. Both statements are true.
b. Both statements are false.
c. The first statement is true; the second statement is false.
d. The first statement is false; the second statement is true. - CORRECT ANSWER - d.
The first statement is false; the second statement is true.
Avoiding anesthesia of the facial nerve at the parotid salivary gland is important when
administering an inferior alveolar block because it may result in transient facial paralysis if given
incorrectly.
Select one:
a. Both the statement and reason are correct and related.
b. Both the statement and reason are correct but NOT related.
c. The statement is correct, but the reason is NOT.
d. The statement is NOT correct, but the reason is correct.
e. NEITHER the statement NOR the reason is correct. - CORRECT ANSWER - a. Both
the statement and reason are correct and related.
Each of the following describes the buccal nerve associated with the buccal block EXCEPT one.
Which one is the EXCEPTION?
Select one:
a. Afferent nerve
b. Efferent nerve
c. Serves skin of the cheek and molar region periodontal tissues
,d. Anterior border of the mandibular ramus is a landmark for the buccal block - CORRECT
ANSWER - b. Efferent nerve
Identify the divisions of the sensory root that carry only afferent nerves to the teeth and
associated tissue.
Select one:
a. Ophthalmic and mandibular nerves
b. Ophthalmic and maxillary nerves
c. Mandibular and maxillary nerves
d. All options listed - CORRECT ANSWER - b. Ophthalmic and maxillary nerves
If the MSA nerve is not present, the area is innervated by the PSA, but mostly by the ASA. If the
MSA nerve is present, there is communication between the PSA and the ASA.
Select one:
a. Both statements are true.
b. Both statements are false.
c. The first statement is true; the second statement is false.
d. The first statement is false; the second statement is true. - CORRECT ANSWER - a.
Both statements are true.
The coronoid notch is a landmark for the administration of which injection?
Select one:
a. Anterior superior alveolar nerve block
b. Posterior superior alveolar nerve block
c. Inferior alveolar nerve block
d. Lingual nerve block - CORRECT ANSWER - c. Inferior alveolar nerve block
The lesser palatine foramen transmits the lesser palatine nerve and blood vessels to the soft
palate and tonsils. Due to close proximity to the greater palatine foramen and its nerve, the
patient's soft palate can become inadvertently anesthetized with the greater palatine block.
,Select one:
a. Both statements are true.
b. Both statements are false.
c. The first statement is true; the second statement is false.
d. The first statement is false; the second statement is true. - CORRECT ANSWER - a.
Both statements are true.
The maxillary tuberosity is a landmark for the administration of which injection?
Select one:
a. Anterior superior alveolar block
b. Middle superior alveolar block
c. Posterior superior alveolar block
d. Inferior alveolar block - CORRECT ANSWER - c. Posterior superior alveolar block
The medial surface of the mandibular ramus is a landmark for the administration for which of the
following?
Select one:
a. Incisive and inferior alveolar blocks
b. Inferior alveolar block and Vazirani-Akinosi blocks
c. Vazirani-Akinosi and the incisive blocks
d. None of the above - CORRECT ANSWER - b. Inferior alveolar block and Vazirani-
Akinosi blocks
The mental foramen is an important landmark to note intraorally and on a radiograph before
administration of mental and incisive nerve blocks. The mental foramen can be as far posterior as
the apex of the mandibular first molar or as far anterior as the apex of the mandibular canine.
Select one:
a. Both statements are true.
b. Both statements are false.
c. The first statement is true; the second statement is false.
, d. The first statement is false; the second statement is true. - CORRECT ANSWER - a.
Both statements are true.
What is the median palatine raphe?
Select one:
a. A fibrous band of tissue
b. A landmark for the administration of the anterior middle superior alveolar block
c. The tissue that covers the suture between the two palatine processes of the maxillae
d. All options listed - CORRECT ANSWER - d. All options listed
What is the name of the first division of the sensory root of the trigeminal nerve?
Select one:
a. Mixed
b. Ophthalmic
c. Mandibular
d. Maxillary - CORRECT ANSWER - b. Ophthalmic
What is the name of the foramen located palatal to the maxillary central incisors?
Select one:
a. Mental foramen
b. Infraorbital foramen
c. Incisive foramen
d. Lingual foramen - CORRECT ANSWER - c. Incisive foramen
What is the name of the largest contributor to the maxillary nerve trunk?
Select one:
a. Infraorbital nerve
b. Ophthalmic nerve
and CORRECT Answers
A patient may present with a bifid inferior alveolar nerve, in which case a second mandibular
foramen is more superiorly placed. The second foramen may be detected by noting a doubled
mandibular canal on a radiograph.
Select one:
a. Both statements are true.
b. Both statements are false.
c. The first statement is true; the second statement is false.
d. The first statement is false; the second statement is true. - CORRECT ANSWER - d.
The first statement is false; the second statement is true.
Avoiding anesthesia of the facial nerve at the parotid salivary gland is important when
administering an inferior alveolar block because it may result in transient facial paralysis if given
incorrectly.
Select one:
a. Both the statement and reason are correct and related.
b. Both the statement and reason are correct but NOT related.
c. The statement is correct, but the reason is NOT.
d. The statement is NOT correct, but the reason is correct.
e. NEITHER the statement NOR the reason is correct. - CORRECT ANSWER - a. Both
the statement and reason are correct and related.
Each of the following describes the buccal nerve associated with the buccal block EXCEPT one.
Which one is the EXCEPTION?
Select one:
a. Afferent nerve
b. Efferent nerve
c. Serves skin of the cheek and molar region periodontal tissues
,d. Anterior border of the mandibular ramus is a landmark for the buccal block - CORRECT
ANSWER - b. Efferent nerve
Identify the divisions of the sensory root that carry only afferent nerves to the teeth and
associated tissue.
Select one:
a. Ophthalmic and mandibular nerves
b. Ophthalmic and maxillary nerves
c. Mandibular and maxillary nerves
d. All options listed - CORRECT ANSWER - b. Ophthalmic and maxillary nerves
If the MSA nerve is not present, the area is innervated by the PSA, but mostly by the ASA. If the
MSA nerve is present, there is communication between the PSA and the ASA.
Select one:
a. Both statements are true.
b. Both statements are false.
c. The first statement is true; the second statement is false.
d. The first statement is false; the second statement is true. - CORRECT ANSWER - a.
Both statements are true.
The coronoid notch is a landmark for the administration of which injection?
Select one:
a. Anterior superior alveolar nerve block
b. Posterior superior alveolar nerve block
c. Inferior alveolar nerve block
d. Lingual nerve block - CORRECT ANSWER - c. Inferior alveolar nerve block
The lesser palatine foramen transmits the lesser palatine nerve and blood vessels to the soft
palate and tonsils. Due to close proximity to the greater palatine foramen and its nerve, the
patient's soft palate can become inadvertently anesthetized with the greater palatine block.
,Select one:
a. Both statements are true.
b. Both statements are false.
c. The first statement is true; the second statement is false.
d. The first statement is false; the second statement is true. - CORRECT ANSWER - a.
Both statements are true.
The maxillary tuberosity is a landmark for the administration of which injection?
Select one:
a. Anterior superior alveolar block
b. Middle superior alveolar block
c. Posterior superior alveolar block
d. Inferior alveolar block - CORRECT ANSWER - c. Posterior superior alveolar block
The medial surface of the mandibular ramus is a landmark for the administration for which of the
following?
Select one:
a. Incisive and inferior alveolar blocks
b. Inferior alveolar block and Vazirani-Akinosi blocks
c. Vazirani-Akinosi and the incisive blocks
d. None of the above - CORRECT ANSWER - b. Inferior alveolar block and Vazirani-
Akinosi blocks
The mental foramen is an important landmark to note intraorally and on a radiograph before
administration of mental and incisive nerve blocks. The mental foramen can be as far posterior as
the apex of the mandibular first molar or as far anterior as the apex of the mandibular canine.
Select one:
a. Both statements are true.
b. Both statements are false.
c. The first statement is true; the second statement is false.
, d. The first statement is false; the second statement is true. - CORRECT ANSWER - a.
Both statements are true.
What is the median palatine raphe?
Select one:
a. A fibrous band of tissue
b. A landmark for the administration of the anterior middle superior alveolar block
c. The tissue that covers the suture between the two palatine processes of the maxillae
d. All options listed - CORRECT ANSWER - d. All options listed
What is the name of the first division of the sensory root of the trigeminal nerve?
Select one:
a. Mixed
b. Ophthalmic
c. Mandibular
d. Maxillary - CORRECT ANSWER - b. Ophthalmic
What is the name of the foramen located palatal to the maxillary central incisors?
Select one:
a. Mental foramen
b. Infraorbital foramen
c. Incisive foramen
d. Lingual foramen - CORRECT ANSWER - c. Incisive foramen
What is the name of the largest contributor to the maxillary nerve trunk?
Select one:
a. Infraorbital nerve
b. Ophthalmic nerve
