Ch. 9 - Text Review Questions

Question 1

An extraoral hematoma can result from an INCORRECTLY administered posterior superior alveolar local anesthetic block because the needle was over-inserted & penetrated which of the following?

a) Parotid salivary gland
b) Pterygoid plexus of veins
c) Floor of the nasal cavity
d) Lateral orbital wall
e) 7th cranial (or facial) nerve

Answer 1

B) PTERYGOID PLEXUS OF VEINS

Question 2

Which of the following local anesthetic blocks has the SAME injection site as the incisive local anesthetic block?

a) Nasopalatine block
b) Greater palatine block
c) Inferior alveolar block
d) Buccal block
e) Mental block

Answer 2

E) MENTAL BLOCK

Question 3

Which of the following nerves is NOT anesthetized during an IA local anesthetic block?

a) Buccal nerve
b) Lingual nerve
c) Mental nerve
d) Incisive nerve

Answer 3

A) BUCCAL NERVE

Question 4

Which of the following local anesthetic blocks uses pressure anesthesia of the tissue to reduce patient discomfort?

a) Posterior superior alveolar block
b) Infraorbital block
c) Greater palatine block
d) Inferior alveolar block
e) Buccal block

Answer 4

C) GREATER PALATINE BLOCK

Question 5

Which of the following are usually anesthetized during an infraorbital local anesthetic block?

a) Bilateral anterior hard palate
b) Buccal periodontium of maxillary molars
c) Upper lip, side of nose, & lower eyelid
d) Lingual periodontium of maxillary anterior teeth
e) Side of face, upper eyelid, & bridge of nose

Answer 5

C) UPPER LIP, SIDE OF NOSE & LOWER EYELID

Question 6

If the mesiobuccal root of the maxillary 1st molar is NOT anesthetized by a posterior superior alveolar local anesthetic block, the dental professional should administer a:

a) posterior superior alveolar block.
b) (long) buccal block.
c) middle superior alveolar block.
d) nasopalatine block.

Answer 6

C) MIDDLE SUPERIOR ALVEOLAR BLOCK.

Question 7

The injection site for the greater palatine local anesthetic block is usually located on the palate near which of the following?

a) Maxillary 1st premolar
b) Maxillary 2nd or 3rd molar
c) Incisive papilla
d) Median palatine suture

Answer 7

B) MAXILLARY 2nd or 3rd MOLAR

Question 8

Which local anesthetic block anesthetizes the largest intraoral area?

a) Buccal block
b) Inferior alveolar block
c) Mental block
d) Incisive block

Answer 8

B) INFERIOR ALVEOLAR BLOCK

Question 9

Which of these situations can occur if bone is contacted early during an inferior alveolar local anesthetic block?

a) Needle tip is located too far anteriorly on the ramus
b) Needle tip is located too far posteriorly on the maxillary tuberosity
c) Syringe barrel is over the maxillary posterior teeth
d) Syringe barrel is over the mandibular posterior teeth

Answer 9

A) NEEDLE TIP IS LOCATED TOO FAR ANTERIORLY ON THE RAMUS

Question 10

If working within the mandibular anterior sextant, which local anesthetic block is MOST successful & comfortable for the patient?

a) Unilateral posterior superior alveolar block
b) Bilateral lingual block
c) Bilateral Inferior alveolar block
d) Bilateral incisive block

Answer 10

D) BILATERAL INCISIVE BLOCK

Question 11

Which of the following local anesthetic blocks anesthetizes the buccal tissue of the mandibular molars?

a) Buccal block
b) Inferior alveolar block
c) Mental block
d) Incisive block

Answer 11

A) BUCCAL BLOCK

Question 12

The mental foramen is usually located between the apices of which of the following mandibular teeth?

a) 1st & 2nd molars
b) 2nd & 3rd molars
c) 1st & 2nd premolars
d) 1st premolar & canine

Answer 12

1st & 2nd PREMOLARS

Question 13

To have complete anesthesia of the maxillary quadrant, which of the following local anesthetic blocks needs to be administered along with the anterior middle superior alveolar block?

a) Middle superior alveolar block
b) Nasopalatine block
c) Posterior superior alveolar block
d) Anterior superior alveolar block

Answer 13

C) POSTERIOR SUPERIOR ALVEOLAR BLOCK

Question 14

Which of the following is considered a mandibular local anesthetic block because it anesthetizes MOST of the mandibular nerve?

a) Posterior superior alveolar block
b) Mental block
c) Inferior alveolar block
d) Gow-Gates block
e) Buccal block

Answer 14

D) GOW-GATES BLOCK

Question 15

Which of the following landmarks are noted when administering a Gow-Gates mandibular local anesthetic block?

a) Maxillary 2nd molar
b) Contralateral labial commissure
c) Coronoid notch
d) Pterygomandibular space

Answer 15

A) MAXILLARY 2nd MOLAR