Local Anesthesia Questions Quiz! Trivia

25 Questions | Total Attempts: 10014

SettingsSettingsSettings
Please wait...
Anesthesia Quizzes & Trivia

Questions and Answers
  • 1. 
    • A. 

      Domino effect

    • B. 

      Saltatory conducation

    • C. 

      Relative refractory

    • D. 

      Nodes of Ranvier

  • 2. 
    Which portion of the nerve do local anesthetics work on?
    • A. 

      Neuron

    • B. 

      Dendrites

    • C. 

      Nerve membrane

    • D. 

      Myelinated sheath

    • E. 

      Schwann cells

  • 3. 
    • A. 

      High potential of overdose

    • B. 

      Route of administration

    • C. 

      Rate of uptake into bloodstream

    • D. 

      Action ceased when absorbed into bloodstream

    • E. 

      Blood levels must be sufficient to exert effect

  • 4. 
    When procaine undergoes metabolic breakdown, the major metabolic product (metabolite) is what?
    • A. 

      Pseudocholinesterase

    • B. 

      Chloroprocaine

    • C. 

      PAMA

    • D. 

      Succinylcholine

    • E. 

      Para-aminobenzoic acid

  • 5. 
    Biotransformation of amides takes place where?
    • A. 

      Liver

    • B. 

      Kidneys

    • C. 

      Blood plasma

    • D. 

      Spleen

    • E. 

      Bloodstream

  • 6. 
    The concentration of epinephrine that is optimal for hemostasis is what?
    • A. 

      1:5000

    • B. 

      1:50,000

    • C. 

      1:150,000

    • D. 

      1:100,000

    • E. 

      1:200,000

  • 7. 
    All of the following are reasons to include a vasoconstrictor, EXCEPT one.  Which one is the EXCEPTION?
    • A. 

      Lower blood flow to injection site

    • B. 

      Increase anesthetic blood levels

    • C. 

      Increase duration of local anesthetic

    • D. 

      Lower anesthetic toxicity

    • E. 

      Improve field of vision for treatment

  • 8. 
    When it is necessary to administer more than one anesthetic drug, a safe total dose should be determined by not exceeding what?
    • A. 

      The lower of the two maximum doses for the individual agents

    • B. 

      The maximum dose of each drug being administered

    • C. 

      25% of the maximum dose of each drug being administered

    • D. 

      35% of the maximum dose of each drug being administered

    • E. 

      Dental work being done in many more than on quadrant

  • 9. 
    One of the many proprietary names for lidocaine is what?
    • A. 

      Xylocaine HCL

    • B. 

      3% Polocaine

    • C. 

      Sandonest HCL

    • D. 

      Mepivicaine

    • E. 

      Candicaine HCL

  • 10. 
    A healthy patient weighing 155 lbs has been given 2 cartridges of 2% lidocaine with epinephrine 1:100,000.  How many MORE cartridges of 3% Arestocaine can they have?
    • A. 

      4.0

    • B. 

      4.2

    • C. 

      4.4

    • D. 

      4.6

    • E. 

      None

  • 11. 
    All of the following are ways of caring for a syringe EXCEPT one.  Which one is the EXCEPTION?
    • A. 

      Place in an ultrasonic bath

    • B. 

      Dismantle and lubricate every 5 uses

    • C. 

      Sharpen or replace harpoon as needed

    • D. 

      Rinse syringe of saliva and foreign matter

    • E. 

      Clean with an ultrasonic instrument

  • 12. 
    In the dental office, the MOST important consideration when selecting a syringe-type is the ability of the syringe to:
    • A. 

      Deliver anesthetic solution to a patient

    • B. 

      Aspirate

    • C. 

      Accept a 30 guage needle

    • D. 

      Not frighten patients

    • E. 

      Be cost effective

  • 13. 
    In local anesthetic dissociation, tissues with a low pH would have what effect on base (RN) and cations (RNH+) in the solution?
    • A. 

      A lower protion of RN and ahigher portion of RNH+

    • B. 

      A loswer protion of RNH+ and a higher portion of RN

    • C. 

      Rapid onset of local anesthetic

    • D. 

      Increase duration of local anesthetic

    • E. 

      Decrease potency of local anesthetic

  • 14. 
    • A. 

      The ensure proper placement of the harpoon

    • B. 

      To ensure free flow of the solution

    • C. 

      The ensure the correct anesthetic has been used

    • D. 

      To ensure the needle has not been barbed

    • E. 

      To ensure the ability to aspirate

  • 15. 
    The major factor influencing the ability to aspirate is what?
    • A. 

      Gauge of the needle

    • B. 

      Size of clinician's hands

    • C. 

      Site of injection

    • D. 

      Size of thumb ring

    • E. 

      Harpoon being sterile

  • 16. 
    All of the following methods will REDUCE the chance of needle breakage, EXCEPT one - which one is the exception?
    • A. 

      Establishing a firm hand rest

    • B. 

      Using a larger gauge needle

    • C. 

      Burying the needle to the hub

    • D. 

      Minimizing the need for redirection in tissue

    • E. 

      Not beding the needle excessively

  • 17. 
    The antioxidant used to preserve epinephrine in a local anesthetic solution is:
    • A. 

      Sodium bisulfate

    • B. 

      Sodium bicarbonate

    • C. 

      Sodium chloride

    • D. 

      Sodium pentathol

    • E. 

      Sodium hydrochloride

  • 18. 
    A small bubble of approximately 1 to 2 mm diameter will frequently be found in the local anesthetic cartridge. These bubbles are caused by?
    • A. 

      The anesthetic solution being frozen

    • B. 

      The cartridge was stored in a chemical disinfectant

    • C. 

      Nitrogen gas being pumped in during manufacturing

    • D. 

      Oxygen being trapped in the cartridge

    • E. 

      Shaking the cartridge vigorously

  • 19. 
    Distilled water is added to the cartridge for what purpose?
    • A. 

      To make the solution isotonic with the tissues of the body

    • B. 

      To increase the safely and the duration of the anesthetic

    • C. 

      To prevent the biodegradation of the vasopressor

    • D. 

      To provide the volume of the solution

    • E. 

      To prevent the propagation of nerve impulses

  • 20. 
    Topical antiseptic does which of the following?
    • A. 

      Numbs 2-3 mm of tissue prior to injection

    • B. 

      Makes patient more comfortable during initial penetration

    • C. 

      Lessens the chance of inflammation or infection

    • D. 

      Allows the clinician to practice their site of penetration

    • E. 

      Reduces the risk of a local anesthetic overdose

  • 21. 
    What is the MOST important reason hemostats/cotton roll pliers are part of the armamentarium?
    • A. 

      They are used to remove the Dentipatch

    • B. 

      They are used to place a cotton roll on the needle

    • C. 

      They are used for the retrieval of a broken needle

    • D. 

      They are used to place the plastic cap on the needle

    • E. 

      They are used to unscrew the needle from the syringe

  • 22. 
    At what time are professionals MOST at risk for a needle stick?
    • A. 

      Disassembly of syringe

    • B. 

      Recapping

    • C. 

      Assembling the syringe

    • D. 

      Giving the injection

    • E. 

      Unsheathing the needle

  • 23. 
    All of the following are acceptable ways of recapping a needle EXCEPT:
    • A. 

      Carefully directing the cap over needle with fingers

    • B. 

      Utilizing "card" or other holding device

    • C. 

      Performing the one handed scoop technique

    • D. 

      Implementing cotton roll pliers or a hemostat

    • E. 

      Securing cap with fingers on vertical syringe

  • 24. 
    Stacey, an 18-year-old soccer player, arrives for the extraction of teeth #4, 12, 20, and 28.  She is given 5 cartridges of 4% Articaine with epi 1:100,000.  Her mother calls 3 hours following the appointment stating that Stacey appears cyanotic and sluggish. Her nail beds look dark blue and the blood in the extraction sites is chocolate brown.  What is MOST likely the condition presented?
    • A. 

      Aytpical plasma cholinesterase

    • B. 

      Methemoglobinemia

    • C. 

      Malignant hyperthermia

    • D. 

      Local anesthetic overdose

    • E. 

      Local anesthetic allergy

  • 25. 
    A patient with epilepsy is scheduled for root planing and scaling with local anesthetic today. What should the dental hygienist know about this condition?
    • A. 

      Epilepsy is a realtive contraindication to ester type anesthtetics

    • B. 

      In low doses local anesthetic is an anti-convulsant

    • C. 

      The patient should be pre-medicated prior to treatment

    • D. 

      Epilepsy is an absolute contraindication to amide type anesthetics

    • E. 

      Oxygen should be available to deliver in an emergency