Local Anesthesia Trivia Questions: Quiz

25 Questions | Total Attempts: 3396

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Local Anesthesia Trivia Questions: Quiz

There are different ways that medical practitioners try and sedate a patient and one of the most common forms is where only a section of a patient’s body is made devoid of sensation. This technique is common for patients who have simple procedures that don’t involve them staying overnight at the hospital. This quiz tests your ability to give anaesthesia to patients in the correct manner. Test yourself!


Questions and Answers
  • 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