Local Anesthesia Final Exam questions
and answers graded A+ updated
C. Large needles - correct answer ✔✔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
A. Introduction of LA into the parotid gland. - correct answer ✔✔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
D. Large needle - correct answer ✔✔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
B. Heat therapy, saline rinses, aspirin - correct answer ✔✔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
D. PSA - correct answer ✔✔Which injection has the highest incidence of hematomas?
A. ASA
B. MSA
C. IA
D. PSA
C. Introduction of the anesthetic solution into the venous plexus - correct answer ✔✔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
A. The PH of the solution - correct answer ✔✔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
D. Tissue sloughing - correct answer ✔✔Application of excess amount of topical anesthetic can
cause:
A. Trismus
, B. Hematomas
C. Edema
D. Tissue sloughing
C. Tonic-clonic seizure - correct answer ✔✔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
A. Chronic pain with no identified organic explanation - correct answer ✔✔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
B. Tonic-clonic seizures - correct answer ✔✔An allergy refers to all of the following clinical
manifestations except:
A. Fever
B. Tonic-clonic seizures
C. Dermatitis
D. Anaphylaxis
D. Nationality - correct answer ✔✔The following patient factors must be considered regarding
LA except:
and answers graded A+ updated
C. Large needles - correct answer ✔✔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
A. Introduction of LA into the parotid gland. - correct answer ✔✔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
D. Large needle - correct answer ✔✔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
B. Heat therapy, saline rinses, aspirin - correct answer ✔✔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
D. PSA - correct answer ✔✔Which injection has the highest incidence of hematomas?
A. ASA
B. MSA
C. IA
D. PSA
C. Introduction of the anesthetic solution into the venous plexus - correct answer ✔✔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
A. The PH of the solution - correct answer ✔✔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
D. Tissue sloughing - correct answer ✔✔Application of excess amount of topical anesthetic can
cause:
A. Trismus
, B. Hematomas
C. Edema
D. Tissue sloughing
C. Tonic-clonic seizure - correct answer ✔✔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
A. Chronic pain with no identified organic explanation - correct answer ✔✔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
B. Tonic-clonic seizures - correct answer ✔✔An allergy refers to all of the following clinical
manifestations except:
A. Fever
B. Tonic-clonic seizures
C. Dermatitis
D. Anaphylaxis
D. Nationality - correct answer ✔✔The following patient factors must be considered regarding
LA except:
