Local Anesthesia Final Exam Prep
LOCAL ANESTHESIA FINAL EXAM PREP LATEST 2025/2026 ACTUAL
EXAM COMPLETE QUESTIONS AND CORRECT ANSWERS WITH GRADED
A+ GUARANTEED PASS- ACE YOUR EXAM
When injected into soft tissues, which of the following plain anesthetics causes
the least vasodilation?
A. Articaine & bupivacaine
B. Lidocaine & articaine
C. Prilocaine & mepivacaine
D. Etidocaine & mepivacaine - Correct Answer-C. Prilocaine & mepivacaine
Vasoconstrictors are added to LA solutions for all of the following purposes except
_______.
A. To constrict blood vessels decreasing blood flow at the injection site.
B. To constrict blood vessels resulting in lower anesthetic blood levels.
C. To constrict blood vessels increasing the duration of action of LA's.
D. To constrict blood vessels increasing the risk of LA toxicity. - Correct Answer-D.
To constrict blood vessels increasing the risk of LA toxicity.
______________ is the most effective and widely used vasoconstrictor in
dentistry.
A. Norepinephrine
B. Epinephrine
C. Levonordefrin
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, Local Anesthesia Final Exam Prep
D. Felypressin - Correct Answer-B. Epinephrine
When hemostatic control is needed for dental procedures on cardiovascular
patients, ASA II and ASA III, whose medical conditions have been diagnosed and
controlled, the preferred solution concentration is _______.
A. Plain
B. 1:50,000
C. 1:100,000
D. 1:200,000 - Correct Answer-C. 1:100,000
Which of the following influences the duration of local anesthetics?
A. Individual response to drugs
B. Vascularity and pH of tissues
C. Accuracy in deposition of local anesthetics
D. All of the above - Correct Answer-D. All of the above
According to Malamed's text, which of the following statements is false regarding
local anesthetic dosage?
A. One should always administer the smallest clinically effective dose
B. The maximum calculated dose should always be decreased in medically
compromised, debilitated, or elderly persons
C. When using more than one local Anesthetic, the total dose of both local
anesthetics should not exceed the lower of the two maximum doses of the
individual agent
D. All statements are true - Correct Answer-D. All statements are true
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, Local Anesthesia Final Exam Prep
Given there is 36 mg of drug one cartridge of 2% lidocaine, and Malamed's
maximum recommended dose for 2% lidocaine is 2.0 mg/lb. Assuming the patient
is healthy and responds normally to local anesthetics, what is the maximum
number of cartridges that can be used per visit for dental treatment on a patient
weighing 144 lbs?
A. 10
B. 8
C. 4
D. 2 - Correct Answer-B. 8
2.0mg/lb x 144lbs = 288 mg MRD
288mg - 36mg per cart = 8 cartridges max
There is _________ of anesthetic agent contained in one cartridge of 4% articaine.
A. 1.8 mg
B. 18 mg
C. 36 mg
D. 72 mg - Correct Answer-D. 72 mg
Given one cartridge of local anesthetic with 1:100,000 concentration epinephrine
has 10 mg epinephrine/ml or 18 mg epinephrine/cartridge, and Malamed's MRD-
a for epinephrine-sensitive individuals is 40 mg per appointment, how many
cartridges of 2% lidocaine 1:100,000 can be administered to a 180 lb epinephrine-
sensitive patient per dental appointment?
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, Local Anesthesia Final Exam Prep
A. 1
B. 2
C. 8
D. 10 - Correct Answer-B. 2
All of the following are causes for needle breakage except:
A. Weakening of the dental needle by bending it before insertion
B. Sudden movement by the patient
C. Large needles
D. Inserting the needle to the hub - Correct Answer-C. Large needles
The most common cause of transient facial paralysis is?
A. Introduction of LA into the parotid gland.
B. Introduction of LA into the venous plexus
C. Introduction of LA into the submandibular gland
D. Introduction of LA into the incisive foramen - Correct Answer-A. Introduction of
LA into the parotid gland.
All of the following are causes of trismus except:
A. Trauma to muscles or blood vessels
B. Hemorrhage
C. Low grade infection after injection
D. Large needle - Correct Answer-D. Large needle
4|Page
LOCAL ANESTHESIA FINAL EXAM PREP LATEST 2025/2026 ACTUAL
EXAM COMPLETE QUESTIONS AND CORRECT ANSWERS WITH GRADED
A+ GUARANTEED PASS- ACE YOUR EXAM
When injected into soft tissues, which of the following plain anesthetics causes
the least vasodilation?
A. Articaine & bupivacaine
B. Lidocaine & articaine
C. Prilocaine & mepivacaine
D. Etidocaine & mepivacaine - Correct Answer-C. Prilocaine & mepivacaine
Vasoconstrictors are added to LA solutions for all of the following purposes except
_______.
A. To constrict blood vessels decreasing blood flow at the injection site.
B. To constrict blood vessels resulting in lower anesthetic blood levels.
C. To constrict blood vessels increasing the duration of action of LA's.
D. To constrict blood vessels increasing the risk of LA toxicity. - Correct Answer-D.
To constrict blood vessels increasing the risk of LA toxicity.
______________ is the most effective and widely used vasoconstrictor in
dentistry.
A. Norepinephrine
B. Epinephrine
C. Levonordefrin
1|Page
, Local Anesthesia Final Exam Prep
D. Felypressin - Correct Answer-B. Epinephrine
When hemostatic control is needed for dental procedures on cardiovascular
patients, ASA II and ASA III, whose medical conditions have been diagnosed and
controlled, the preferred solution concentration is _______.
A. Plain
B. 1:50,000
C. 1:100,000
D. 1:200,000 - Correct Answer-C. 1:100,000
Which of the following influences the duration of local anesthetics?
A. Individual response to drugs
B. Vascularity and pH of tissues
C. Accuracy in deposition of local anesthetics
D. All of the above - Correct Answer-D. All of the above
According to Malamed's text, which of the following statements is false regarding
local anesthetic dosage?
A. One should always administer the smallest clinically effective dose
B. The maximum calculated dose should always be decreased in medically
compromised, debilitated, or elderly persons
C. When using more than one local Anesthetic, the total dose of both local
anesthetics should not exceed the lower of the two maximum doses of the
individual agent
D. All statements are true - Correct Answer-D. All statements are true
2|Page
, Local Anesthesia Final Exam Prep
Given there is 36 mg of drug one cartridge of 2% lidocaine, and Malamed's
maximum recommended dose for 2% lidocaine is 2.0 mg/lb. Assuming the patient
is healthy and responds normally to local anesthetics, what is the maximum
number of cartridges that can be used per visit for dental treatment on a patient
weighing 144 lbs?
A. 10
B. 8
C. 4
D. 2 - Correct Answer-B. 8
2.0mg/lb x 144lbs = 288 mg MRD
288mg - 36mg per cart = 8 cartridges max
There is _________ of anesthetic agent contained in one cartridge of 4% articaine.
A. 1.8 mg
B. 18 mg
C. 36 mg
D. 72 mg - Correct Answer-D. 72 mg
Given one cartridge of local anesthetic with 1:100,000 concentration epinephrine
has 10 mg epinephrine/ml or 18 mg epinephrine/cartridge, and Malamed's MRD-
a for epinephrine-sensitive individuals is 40 mg per appointment, how many
cartridges of 2% lidocaine 1:100,000 can be administered to a 180 lb epinephrine-
sensitive patient per dental appointment?
3|Page
, Local Anesthesia Final Exam Prep
A. 1
B. 2
C. 8
D. 10 - Correct Answer-B. 2
All of the following are causes for needle breakage except:
A. Weakening of the dental needle by bending it before insertion
B. Sudden movement by the patient
C. Large needles
D. Inserting the needle to the hub - Correct Answer-C. Large needles
The most common cause of transient facial paralysis is?
A. Introduction of LA into the parotid gland.
B. Introduction of LA into the venous plexus
C. Introduction of LA into the submandibular gland
D. Introduction of LA into the incisive foramen - Correct Answer-A. Introduction of
LA into the parotid gland.
All of the following are causes of trismus except:
A. Trauma to muscles or blood vessels
B. Hemorrhage
C. Low grade infection after injection
D. Large needle - Correct Answer-D. Large needle
4|Page
