Ace Your Dental Anesthesia Final Exam with This
Ultimate Prep Guide
Conquer your fears and master local anesthesia with this comprehensive
collection of high-yield questions and detailed answers. Designed to mirror
your final exam
1. 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
2. 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
3. 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
4. What is the treatment of a patient with trismus? A. Cold therapy, saline
rinses, aspirin B. Heat therapy, saline rinses, aspirin C. Heat therapy followed by
cold therapy D. Heat therapy, saline rinses, codeine
5. Which injection has the highest incidence of hematomas? A. ASA B. MSA
C. IA D. PSA
6. The most common cause of a hematoma is? A. Introduction of the anesthetic
solution into the parotid gland B. Introduction of the anesthetic solution into the
submandibular gland C. Introduction of the anesthetic solution into the venous
plexus D. Introduction of the anesthetic solution into the lingual nerve
7. What is the primary cause of a slight burning sensation during injection of
LA? A. The PH of the solution B. Rapid injection of LA C. Contamination of the
LA D. Warm solution
8. Application of excess amount of topical anesthetic can cause: A. Trismus B.
Hematomas C. Edema D. Tissue sloughing
, 9. All of the following are the first sign of minimal to moderate local anesthetic
overdose except: A. Talkativeness B. Apprehension C. Tonic-clonic seizure D.
Euphoria
10. What is psychogenic pain? A. Chronic pain with no identified organic
explanation B. Sudden pain with an organic explanation C. Transient pain with no
identified organic explanation D. B and C
11. An allergy refers to all of the following clinical manifestations except: A.
Fever B. Tonic-clonic seizures C. Dermatitis D. Anaphylaxis
12. The following patient factors must be considered regarding LA except: A.
Age B. Weight C. Genetics D. Nationality
13. What is the maximum dose of epinephrine for a cardiac risk patient? A.
0.2 mg B. 0.04 mg C. 0.02 mg D. 0.01 mg
14. What is the recommended chair position for the administration of LA? A.
Feet and head parallel to the floor B. Head slightly higher than the feet C.
Patient's chest and head parallel to the floor with feet slightly elevated D.
Patient in an upright position
15. Why is it necessary to aspirate prior to the injection of anesthesia? A. To
avoid overdose B. To avoid intravascular injections C. To avoid contact with the
bone D. To avoid contact with the parotid gland
16. Myelinated nerves have constricted sections of the myelin sheath occurring
at regular intervals forming gaps. These gaps are known as ________. A.
Nodes of Ranvier B. Axoplasms C. Biomolecular layers of lipids D. Schwann
cells
17. The thin cable-like structure of a neuron that is responsible for
transmitting impulses is the ________. A. Cell body B. Axon C. Dendrite D.
Nucleus
18. A minimum of ____ of nerve must be covered by anesthetic solution to
ensure thorough blockade of impulse conduction. A. 1-2 mm B. 3-4 mm C. 8-
10 mm D. 18-20 mm
19. The resting state the interior of the nerve is primarily comprised of ____
ions. A. K B. Na C. Cl D. O
Ultimate Prep Guide
Conquer your fears and master local anesthesia with this comprehensive
collection of high-yield questions and detailed answers. Designed to mirror
your final exam
1. 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
2. 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
3. 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
4. What is the treatment of a patient with trismus? A. Cold therapy, saline
rinses, aspirin B. Heat therapy, saline rinses, aspirin C. Heat therapy followed by
cold therapy D. Heat therapy, saline rinses, codeine
5. Which injection has the highest incidence of hematomas? A. ASA B. MSA
C. IA D. PSA
6. The most common cause of a hematoma is? A. Introduction of the anesthetic
solution into the parotid gland B. Introduction of the anesthetic solution into the
submandibular gland C. Introduction of the anesthetic solution into the venous
plexus D. Introduction of the anesthetic solution into the lingual nerve
7. What is the primary cause of a slight burning sensation during injection of
LA? A. The PH of the solution B. Rapid injection of LA C. Contamination of the
LA D. Warm solution
8. Application of excess amount of topical anesthetic can cause: A. Trismus B.
Hematomas C. Edema D. Tissue sloughing
, 9. All of the following are the first sign of minimal to moderate local anesthetic
overdose except: A. Talkativeness B. Apprehension C. Tonic-clonic seizure D.
Euphoria
10. What is psychogenic pain? A. Chronic pain with no identified organic
explanation B. Sudden pain with an organic explanation C. Transient pain with no
identified organic explanation D. B and C
11. An allergy refers to all of the following clinical manifestations except: A.
Fever B. Tonic-clonic seizures C. Dermatitis D. Anaphylaxis
12. The following patient factors must be considered regarding LA except: A.
Age B. Weight C. Genetics D. Nationality
13. What is the maximum dose of epinephrine for a cardiac risk patient? A.
0.2 mg B. 0.04 mg C. 0.02 mg D. 0.01 mg
14. What is the recommended chair position for the administration of LA? A.
Feet and head parallel to the floor B. Head slightly higher than the feet C.
Patient's chest and head parallel to the floor with feet slightly elevated D.
Patient in an upright position
15. Why is it necessary to aspirate prior to the injection of anesthesia? A. To
avoid overdose B. To avoid intravascular injections C. To avoid contact with the
bone D. To avoid contact with the parotid gland
16. Myelinated nerves have constricted sections of the myelin sheath occurring
at regular intervals forming gaps. These gaps are known as ________. A.
Nodes of Ranvier B. Axoplasms C. Biomolecular layers of lipids D. Schwann
cells
17. The thin cable-like structure of a neuron that is responsible for
transmitting impulses is the ________. A. Cell body B. Axon C. Dendrite D.
Nucleus
18. A minimum of ____ of nerve must be covered by anesthetic solution to
ensure thorough blockade of impulse conduction. A. 1-2 mm B. 3-4 mm C. 8-
10 mm D. 18-20 mm
19. The resting state the interior of the nerve is primarily comprised of ____
ions. A. K B. Na C. Cl D. O
