Local Anesthesia Trivia Questions: Quiz
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- 1.Of the following which is the MOST important prior to performing dental treatment including giving local anesthesia?
- A.
Vital signs to determine the baseline in the event of an emergency
- B.
Visual inspection to determine the overall physical state of the patient
- C.
Dialogue history, to ensure the patient has answered truthfully
- D.
Medical history questionnaire, thoroughly reviewed and updated
- E.
Treatment plan and patient consent forms completed
- 2.
- A.
To reduce the risk of syncope
- B.
To speed the onset of anesthesia
- C.
To keep the syringe out of a patient's sight
- D.
To ensure clinician caan obtain a firm hand rest
- E.
To slow the absorption of anesthetic into bloodstream
- 3.Which of the following is the best patient positioning while delivering local anesthetic?
- A.
Knees above sea level
- B.
Heart and hands parallel to the floor
- C.
Head and heart parallel to the floor
- D.
Toes above the nose
- E.
Hear and heart parallel, toes slightly elevated
- 4.The main reason to inject slowly is to accomplish which of the following?
- A.
Make the injection as comfortable as possible
- B.
Not disturb the homeostasis of the tissues
- C.
Lessen the chance of anesthetic overdose
- D.
Ensure you are not in a blood vessel
- E.
Lessen the chance of a hematoma developing
- 5.The nerve that can be inadvertently anesthetized during an IA injection is what?
- A.
Facial nerve
- B.
Trigeminal nerve
- C.
Zygomatic nerve
- D.
Middle meningeal nerve
- E.
Buccal nerve
- 6.Which of the following injection types will provide the longest duration?
- A.
Nerve block
- B.
Field block
- C.
Supraperiosteal
- D.
Infiltration
- E.
Intrasseptal
- 7.The maxillary division of the Trigeminal nerve travels anteriorly and downward to exit the cranium through which foramen?
- A.
Ovale
- B.
Spinosum
- C.
Magnum
- D.
Rotundum
- E.
Superior orbital
- 8.Following the administration of a right PSA nerve block, the patient complains that tooth #3 is still sensitive. What is most likely the cause of this?
- A.
Deposition was too low
- B.
Deposition was too anterior
- C.
The mesiobuccal root of the 1st molar was not anesthetized with the PSA
- D.
Local anesthetic solution has probably expired
- E.
Insufficient amount of anesthetic deposited
- 9.In order to have a proper duration of a PSA, how much total anesthetic will you give?
- A.
0.6-0.9 ml
- B.
0.9-1.8 ml
- C.
1.5-1.8 ml
- D.
0.9-1.2 ml
- E.
.45-.9 ml
- 10.The Vazirani-Akinosi mandibular technique is recommended for what type of patients?
- A.
Children
- B.
Large boned
- C.
Reduced opening
- D.
Enlarged tongue
- E.
Autistic
- 11.Pressure syringes are primarily designed to deliver what type of injection?
- A.
Palatal
- B.
Intraosseous
- C.
Intraseptal
- D.
Periodontal ligament
- E.
Incisive/mental
- 12.If a right-handed clinician contacts bone too soon (one half penetration depth or less) on the left IA nerve block, what should be done?
- A.
Withdraw and select a penetration site more posterior
- B.
Immediately redirect needle/syringe more laterally
- C.
Withdraw slightly, redirect needle/syringe more medially
- D.
Withdraw and select a penetration site more medially
- E.
Withdraw slightly, redirect needle/syringe more laterally
- 13.What is the recommended amount of anesthetic deposited for the Gow-Gates injection technique?
- A.
1.5 ml
- B.
1.8 ml
- C.
1.2 ml
- D.
1.3 ml
- E.
1.0 ml
- 14.What type of injection is contraindicated in primary teeth?
- A.
Intraosseous
- B.
Infraorbital
- C.
Periodontal ligament
- D.
Posterior superior alveolar
- E.
Inferior alveolar
- 15.Applying topical for longer than indicated can result in sloughing of the tissues - this is officially called what?
- A.
Epithelial desquamation
- B.
Sterile abscess
- C.
Cheek rot
- D.
White lacy striations
- E.
Epithelial dysplasia
- F.
Epithelial dysplasia
- 16.Persistent paresthesia following a local anesthetic injection.
- A.
Is always preventable
- B.
Is often caused by a needle penetrating the cheek
- C.
Is always reversible
- D.
Is desirable
- E.
Is the most common on the tip/side of the tongue
- 17.Trismus is best defined as what?
- A.
A low grade infection
- B.
A holiday in December
- C.
Anesthesia that doesn't "wear off"
- D.
Trauma to muscles and/or blood vessels
- E.
A flooding or pooling of blood
- 18.An epinephrine overdose reaction.
- A.
Usually requires formal management
- B.
Requires placing the patient in a supine position
- C.
May manifest as anxiety or restlessness
- D.
Minimally affects blood pressure and heart rate
- E.
Indicates an epinephrine allergy
- 19.A patient suffering from local anesthetic overdose induced seizures should be given what?
- A.
Oxygen only
- B.
Glucose
- C.
Oxygen and diazepam
- D.
Oxygen and epinephrine
- E.
Oxygen and diphenhydramine
- 20.After administering topical Benzocaine 20% and 3% Mepivacaine with epinephrine 1:100,000, the patient complains of intense itching of the face and is feeling a tightening in the throat. What is most likely the cause of this reaction?
- A.
The patient is experiencing psychogenic anxiety
- B.
The anesthetic was injected too rapidly
- C.
The patient is having a reaction to the epinephrine
- D.
The patient is allergic to the Benzocaine
- E.
The patient is having an idiosyncratic reaction
- 21.All of the following are acceptable alternatives for an anesthetic-allergic patient except one, which is the exception?
- A.
Hypnosis
- B.
Electronic dental anesthesia
- C.
Use limited amounts of esters
- D.
Use general anesthesia
- E.
Use limited amounts of sterile Benadryl
- 22.All of the following patients represent a potential for a local anesthetic overdose except one, which is the exception?
- A.
Pregnant women
- B.
Patients with hepatitis
- C.
A marathon runner
- D.
Highly anxious patients
- E.
A sweet little child
- 23.If a patient has an allergy to esters, which of the following topical anesthetics should not be used?
- A.
Lidocaine
- B.
Denti-patch
- C.
Benzocaine
- D.
Pressure
- E.
Betadine
- 24.You administer 2% lidocaine with epinephrine 1:50,000 into the palate of your patient. Three days later, they call complaining of a large sore on the roof of their mouth. What is the sore MOST likely to be?
- A.
Herpes simplex virus
- B.
Aphthous ulcer
- C.
Epithelial desquamation
- D.
Sterile abscess
- E.
Necrotizing sialiometaplasia
- 25.Your patient is a 190 lb man. He was scheduled with the dentist prior to seeing you today. The dentist used 3 cartridges of 4% Articaine with epinephrine 1:100,000. He is becoming sensitive during root planing and scaling. How many additional cartridges of 2% lidocaine with epinephrine 1:100,000 can he have?
- A.
2.3
- B.
4.5
- C.
7.3
- D.
3.8
- E.
1.9
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