LOCAL ANESTHESIA LECTURE FINAL
EXAM QUESTIONS AND 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 Answers -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 Answers -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
Answers -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 Answers -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 Answers -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 Answers -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 Answers -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 Answers -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 Answers -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 Answers -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 Answers -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 Answers -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 Answers -c. Incisive foramen
What is the name of the largest contributor to the maxillary nerve trunk?
Select one:
a. Infraorbital nerve
b. Ophthalmic nerve
c. Second division of the trigeminal nerve
d. Third division of the trigeminal nerve - Correct Answers -a. Infraorbital nerve
What is the name of the opening that is located between the apices of the mandibular
first and second premolars?
Select one:
a. Mandibular foramen
, b. Lingual foramen
c. Mandibular symphysis
d. Mental foramen - Correct Answers -d. Mental foramen
What is the name of the point of attachment of the muscle that forms the floor of the
mouth?
Select one:
a. Mylohyoid line
b. Internal oblique ridge
c. All options listed
d. None of the options listed - Correct Answers -c. All options listed
What is the name of the radiopaque line that denotes where the ramus joins the body of
the mandible?
Select one:
a. Mylohyoid line
b. Internal oblique line
c. External oblique line
d. Coronoid notch - Correct Answers -c. External oblique line
What is the specific name of the part of the mandible that forms the temporomandibular
joint?
Select one:
a. Condyle
b. Coronoid process
c. Coronoid notch
d. Mandibular notch - Correct Answers -a. Condyle
When the clinician administers an IO injection, which nerves are anesthetized?
Select one:
a. Posterior superior alveolar, middle superior alveolar, and ophthalmic nerves
b. Posterior superior alveolar, middle superior alveolar, and infraorbital nerves
c. Anterior superior alveolar, middle superior alveolar, and infraorbital nerves
d. Some other combination of nerves - Correct Answers -c. Anterior superior alveolar,
middle superior alveolar, and infraorbital nerves
Which area of the maxilla articulates with the other to form the anterior or major part of
the hard palate?
Select one:
a. Zygomatic process
b. Frontal process
c. Palatine process
d. Alveolar processes - Correct Answers -c. Palatine process
Which bones does the mandible have a movable articulation with?
Select one:
EXAM QUESTIONS AND 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 Answers -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 Answers -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
Answers -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 Answers -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 Answers -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 Answers -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 Answers -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 Answers -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 Answers -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 Answers -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 Answers -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 Answers -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 Answers -c. Incisive foramen
What is the name of the largest contributor to the maxillary nerve trunk?
Select one:
a. Infraorbital nerve
b. Ophthalmic nerve
c. Second division of the trigeminal nerve
d. Third division of the trigeminal nerve - Correct Answers -a. Infraorbital nerve
What is the name of the opening that is located between the apices of the mandibular
first and second premolars?
Select one:
a. Mandibular foramen
, b. Lingual foramen
c. Mandibular symphysis
d. Mental foramen - Correct Answers -d. Mental foramen
What is the name of the point of attachment of the muscle that forms the floor of the
mouth?
Select one:
a. Mylohyoid line
b. Internal oblique ridge
c. All options listed
d. None of the options listed - Correct Answers -c. All options listed
What is the name of the radiopaque line that denotes where the ramus joins the body of
the mandible?
Select one:
a. Mylohyoid line
b. Internal oblique line
c. External oblique line
d. Coronoid notch - Correct Answers -c. External oblique line
What is the specific name of the part of the mandible that forms the temporomandibular
joint?
Select one:
a. Condyle
b. Coronoid process
c. Coronoid notch
d. Mandibular notch - Correct Answers -a. Condyle
When the clinician administers an IO injection, which nerves are anesthetized?
Select one:
a. Posterior superior alveolar, middle superior alveolar, and ophthalmic nerves
b. Posterior superior alveolar, middle superior alveolar, and infraorbital nerves
c. Anterior superior alveolar, middle superior alveolar, and infraorbital nerves
d. Some other combination of nerves - Correct Answers -c. Anterior superior alveolar,
middle superior alveolar, and infraorbital nerves
Which area of the maxilla articulates with the other to form the anterior or major part of
the hard palate?
Select one:
a. Zygomatic process
b. Frontal process
c. Palatine process
d. Alveolar processes - Correct Answers -c. Palatine process
Which bones does the mandible have a movable articulation with?
Select one:
