Questions and CORRECT Answers
All of the following local anesthetics are available in dental cartridges in the US EXCEPT one.
Which one is the EXCEPTION?
A. Articaine
B. Etidocaine
C. Bupivacaine
D. Mepivacaine - CORRECT ANSWER -B
Regarding the maximum recommended dose of local anesthetics:
A. clinicians should use the largest clinically effective dose
B. administered dosages exceeding the recommended maximum will always cause an overdose
C. the dosages should always be based on the patient's actual weight
D. the calculated dosages should be decreased for medically compromised patients - CORRECT
ANSWER -D
Which of the following is the correct maximum recommended dose for lidocaine with
epinephrine?
A. 7 mg/kg
B. 90 mg total
C. 5 mg/kg
D. 300 mg total - CORRECT ANSWER -A
Which of the following local anesthetics has the longest duration of action when administered
successfully for an inferior alveolar nerve block?
,A. 2% lidocaine with 1:100,000 epinephrine
B. 0.5% bupivacaine with 1:200,000 epinephrine
C. 4% articaine with 1:100,000 epinephrine
D. 2% mepivacaine with 1:20,000 levonordefrin - CORRECT ANSWER -B
Articaine is:
A. metabolized exclusively in the liver
B. classified only as an ester anesthetic
C. not recommended for use for inferior alveolar nerve blocks
D. capable of producing profound vasoconstriction - CORRECT ANSWER -C
Which of the following is the correct value for the approximate duration of 2% lidocaine with
1:100,000 epinephrine?
A. 15 minutes (pulpal anesthesia)
B. 30-60 minutes (soft tissue anesthesia)
C. 120 minutes (pulpal anesthesia)
D. 180 minutes (soft tissue anesthesia) - CORRECT ANSWER -D
When performing a PDL injection:
A. patients should be informed they may experience pain while chewing postoperatively
B. there should not be significant back pressure while injecting
C. the anesthetic solution accesses the nerves by diffusing down through the ligamental fibers
D. local anesthetics with vasoconstrictors are absolutely contraindicated - CORRECT
ANSWER -A
, Which of the following statements is true regarding supplemental anesthetic techniques?
A. intraseptal injections reliably produce pulpal anesthesia
B. the needle should be placed anterior to the target tooth during an intraosseous injection
C. the cortical bone is perforated using a quarter-round bur and a high speed hand piece
D. brief, intense pain is common for intrapulpal injections - CORRECT ANSWER -D
When considering supplemental techniques for anesthetizing the maxilla, a prudent clinician
must remember that:
A. infiltration of the palate reliably produces pulpal anesthesia
B. a successful V-2 block will provide profound anesthesia of the midface and posterior tongue
C. the high tuberosity approach has an increased risk of positive aspiration
D. the needle should be gently forced past bony obstructions when utilizing the greater palatine
canal approach - CORRECT ANSWER -C
Which of the following statements is true regarding mandibular supplemental anesthetic
techniques?
A. the target site for Gow-Gates injections is the lateral aspect of the condylar head
B. the tip of the needle when performing an Akinosi injection is superior to an inferior alveolar
nerve block
C. the Gow-Gates technique is ideal for patients with limited opening
D. If the anterior ramus is contacted during an Akinosi block, the needle should be repositioned
laterally - CORRECT ANSWER -B
Regarding local complications from administering local anesthetics:
A. a 27 gauge needle is more likely to fracture or break than a 30 gauge needle