Local Anesthesia Mock Exam questions with
verified answers
A barbed needle causes pain upon:
A. Insertion
B. Withdrawal
C. Deposition of anesthetic
D. Aspiration Ans✓✓✓ B
After the administration of a local anesthetic, what causes a droopy eyelid?
A. Depositing the solution in the parotid gland
B. Depositing the solution medial to the mandibular foramen
C. Depositing the solution above the infraorbital foramen
D. Depositing the solution at the anteromedial border of the neck of the
mandibular condyle Ans✓✓✓ A
At the first indication of a hematoma, the clinician should:
A. Apply ice to the area
B. Apply heat to the area
C. Apply pressure to the area
D. Apply ice for 10 minutes followed by heat for 10 minutes Ans✓✓✓ C
,Delayed signs and symptoms of an allergic reaction are more intense and serious.
If skin reactions develop immediately following the injection, anaphylaxis may
occur.
A. Both statements true
B. Both statements false
C. First statement true; second statement false
D. First statement false; second statement true Ans✓✓✓ D
During manufacturing, local anesthetics are formulated as which of the following
to render them water-soluble?
A. Muriatic acid
B. Sodium bisulfite
C. Hydrochloride salt
D. Sodium bicarbonate Ans✓✓✓ C
During the inferior alveolar block the patient feels a sudden electrical shock. This
is due to:
A. Needle touching inferior alveolar nerve
B. Needle touching lingual nerve
C. Needle touching buccal nerve
D. Needle touching pterygomandibular raphe Ans✓✓✓ B
, How can the clinician correct the problem of hitting bone while administering the
PSA injection?
A. Needle needs to be bent slightly to accomplish necessary needle angulation
B. Syringe needs to be further away from occlusal plane to increase angle to more
than 45 degrees
C. Syringe needs to be closer to occlusal plane to reduce angle to less than 45
degrees
D. Patient most likely has larger size skill so long needle should be utilized for
patient comfort Ans✓✓✓ C
How many cartridges could a patient from cardiac dose safely receive if
administering a 1:200,000 epinephrine dilution?
A. 1.1 cartridges
B. 4.4 cartridges
C. 2.2 cartridges
D. 3.3 cartridges Ans✓✓✓ B
How many mg of epinephrine are in one cartridge of a 1:100,000 dilution?
A. 0.009 mg
B. 0.01 mg
C. 0.018 mg
D. 0.02 mg Ans✓✓✓ C
verified answers
A barbed needle causes pain upon:
A. Insertion
B. Withdrawal
C. Deposition of anesthetic
D. Aspiration Ans✓✓✓ B
After the administration of a local anesthetic, what causes a droopy eyelid?
A. Depositing the solution in the parotid gland
B. Depositing the solution medial to the mandibular foramen
C. Depositing the solution above the infraorbital foramen
D. Depositing the solution at the anteromedial border of the neck of the
mandibular condyle Ans✓✓✓ A
At the first indication of a hematoma, the clinician should:
A. Apply ice to the area
B. Apply heat to the area
C. Apply pressure to the area
D. Apply ice for 10 minutes followed by heat for 10 minutes Ans✓✓✓ C
,Delayed signs and symptoms of an allergic reaction are more intense and serious.
If skin reactions develop immediately following the injection, anaphylaxis may
occur.
A. Both statements true
B. Both statements false
C. First statement true; second statement false
D. First statement false; second statement true Ans✓✓✓ D
During manufacturing, local anesthetics are formulated as which of the following
to render them water-soluble?
A. Muriatic acid
B. Sodium bisulfite
C. Hydrochloride salt
D. Sodium bicarbonate Ans✓✓✓ C
During the inferior alveolar block the patient feels a sudden electrical shock. This
is due to:
A. Needle touching inferior alveolar nerve
B. Needle touching lingual nerve
C. Needle touching buccal nerve
D. Needle touching pterygomandibular raphe Ans✓✓✓ B
, How can the clinician correct the problem of hitting bone while administering the
PSA injection?
A. Needle needs to be bent slightly to accomplish necessary needle angulation
B. Syringe needs to be further away from occlusal plane to increase angle to more
than 45 degrees
C. Syringe needs to be closer to occlusal plane to reduce angle to less than 45
degrees
D. Patient most likely has larger size skill so long needle should be utilized for
patient comfort Ans✓✓✓ C
How many cartridges could a patient from cardiac dose safely receive if
administering a 1:200,000 epinephrine dilution?
A. 1.1 cartridges
B. 4.4 cartridges
C. 2.2 cartridges
D. 3.3 cartridges Ans✓✓✓ B
How many mg of epinephrine are in one cartridge of a 1:100,000 dilution?
A. 0.009 mg
B. 0.01 mg
C. 0.018 mg
D. 0.02 mg Ans✓✓✓ C
