Anesthesia Mock Exam Questions And Answers
#15 has a perio abscess and you've already given the PSA - what other injection will you need to numb the linguals of tooth 15? - Answer-Greater Palatine
/.A barbed needle causes pain upon:
A. Insertion
B. Withdrawal
C. Deposition of anesthetic
D...
#15 has a perio abscess and you've already given the PSA - what other injection will
you need to numb the linguals of tooth 15? - Answer-Greater Palatine
/.A barbed needle causes pain upon:
A. Insertion
B. Withdrawal
C. Deposition of anesthetic
D. Aspiration - Answer-B. Withdrawal
/.A central incisor has a periodontal defect on the lingual root surface, which injection
would you use? - Answer-Nasopalatine
/.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 - Answer-Depositing the solution in the parotid gland
/.Are mandibular nerves sensory or motor? - Answer-Both
/.Are maxillary nerves sensory or motor? - Answer-Sensory
/.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 - Answer-C. Apply pressure
to the area
/.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 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. - Answer-D. The first
statement is false; the second statement is true.
/.Depth of penetration for PSA - Answer-16mm (3/4 of short needle)
,/.Do myelinated nerves travel faster or slower than unmyeliated nerves? - Answer-
Myelinated nerves travel faster than unmyelinated
/.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 - Answer-C. Hydrochloride salt
/.During the inferior alveolar block the patient feels a sudden electrical shock. This is
due to:
A. The needle touching the inferior alveolar nerve
B. The needle touching the lingual nerve
C. The needle touching the buccal nerve
D. The needle touching the pterygomandibular raphe - Answer-B. The needle touching
the lingual nerve
/.Hematoma can occur if needle penetrates into the pterygoid plexus of veins during
which injection? - Answer-PSA
/.How can the clinician correct the problem of hitting bone while administering the PSA
injection?
A. The needle needs to be bent slightly in order to accomplish the necessary needle
angulation.
B. The syringe needs to be farther away from the occlusal plane, thereby increasing the
angle to more than 45 degrees.
C. The syringe needs to be closer to the occlusal plane, thereby reducing the angle to
less than 45 degrees.
D. The patient most likely has a larger size skull, so a long needle should be utilized for
patient comfort. - Answer-C. The syringe needs to be closer to the occlusal plane,
thereby reducing the angle to less than 45 degrees.
/.How deep is penetration for IAN injection? - Answer-3/4 of long needle (24mm)
Inject about 3/4 of solution... if doing LB injection save 1/4 for that
/.How do you calculate the amount of epinephrine in a solution? - Answer-1% solution =
10 X 1.8 (or 1.7) = 18mg (or 17mg)
2% solution = 20 X 1.8 (or 1.7) = 36mg (or 34 mg)
3% solution = 30 X 1.8 (or 1.7) = 54 mg (or 51 mg)
/.How do you manage an allergic reaction? - Answer-- For an immediate reaction, give
epinephrine
- For a delayed reaction, give Benadryl
, /.How does a self aspirating syringe work? - Answer-When pressure is let off the
syringe, it automatically aspirates
/.How far do you insert the needle on an IANB? - Answer-20-25 mm or 3/4 the length of
the needle
/.How long is the long needle? - Answer-32mm
/.How long is the short needle? - Answer-20mm
/.How many cartridges could a patient from the answer in question #7 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 - Answer-B. 4.4 cartridges
/.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 - Answer-C. 0.018 mg
/.How much epinephrine does a 1:200,000 dilution contain compared with a 1:100,000
dilution?
A. Half
B. Twice
C. One quarter
D. One forth - Answer-A. Half
/.How should a clinician respond if after administering an inferior alveolar block the
anesthesia is not adequate?
A. Administer a second inferior alveolar block more superior than the first block
B. Administer a second inferior alveolar block more inferior than the first block
C. Administer a second inferior alveolar block more medial than the first block
D. Administer a second inferior alveolar block more lateral than the first block - Answer-
A. Administer a second inferior alveolar block more superior than the first block
/.If a patient receives three 1.7 ml cartridges of 3% mepivicaine, how much drug did she
receive? - Answer-3% equals
=(1.7 x 30) x 3
=51 mg x 3
The answer is 153 mg.
/.If the dental hygienist administered 105 mg of bupivacaine to a 150-pound patient,
how many cartridges were administered?
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