Local Anesthesia Evaluator Practice Exam

These questions are part of the practice quiz. Start practicing

• If a patient has a suspected allergy to amide local anesthetics, what is the recommended approach?
• Bupivacaine
• Which of the following are nondental uses for Lidocaine 2% 1:50,000 epinephrine?
• What two actions should you NEVER perform on the needle if resistance is encountered during needle advancement?
• Which label color corresponds to Prilocaine HCL 4% epi 1:200,000?
• A blister pack contains how many cartridges?
• Which nerve injury can present as a sensory disturbance after an IA block?
• Which anesthetic should never be used for lower nerve blocks and is ONLY for infiltration of mandibular premolars?
• What concentration of oxygen is recommended in suspected LAST?
• If a broken needle is visible in the mouth, what should you do?
• What are the most commonly used anesthetic syringes?
• What is the purpose of engaging the harpoon during assembly?
• The long buccal nerve block is used to anesthetize the buccal mucosa of the mandible.
• How long does a needle usually last?
• Which of the following is an early sign of local anesthetic systemic toxicity?
• What is the common cause and treatment for trismus after local anesthetic injection?
• What is the maximum recommended dose of articaine in carpules?
• Articaine is known to be effective for infiltration anesthesia but not reliable for which technique?
• Which anatomical landmarks guide the Inferior Alveolar Nerve Block (IA) injection?
• Which option is categorized as a comfort aid to reduce anxiety during dental procedures?
• What should be done with used needles?
• Which statement about vasoconstrictors in local anesthesia is true?
• What is used so that the anesthetic stays localized in the area longer rather than being carried into the general circulation?
• What is the significance of the plastic carpule label?
• Hematomas appear as intramural bruising with which block?
• Why is anesthetic solution sold in cartridges or carpules?
• In needle gauge terminology, which statement is correct?
• Which block is used to anesthetize the palatal tissue at the incisor/median region?
• Amides have a longer shelf life than esters.
• Lidocaine with epinephrine in our clinic is available at which ratio?
• Lidocaine HCL 2% epi 1:50,000
• Which type has a greater allergic reaction rate?
• In the Halstead block, the needle is inserted to about what depth relative to the length of a long needle?
• Lidocaine is commonly known by which brand name?
• Which block is most commonly associated with hematoma formation?
• Which anesthetic is recommended for patients with cardiac or liver disease due to lower systemic toxicity risk?
• Which practice is recommended to minimize patient fear and avoidance?
• What size needle is not specifically recommended for any injection?
• If a broken needle is not visible, what should you do?
• Which needle gauges are typically used for infiltration versus nerve blocks in adults?
• Which local anesthetic is described as the newest amide with great lipid solubility?
• Articaine is described as having great lipid solubility. Which statement best describes this property?
• Which nerve block is commonly used to anesthetize the pulps of mandibular teeth from the first premolar to the midline and its associated buccal mucosa?
• Esters are rarely used today except in topical form.
• In the sequential order for anesthetizing one side, which injection is last?
• What is the difference between absolute and relative contraindications for vasoconstrictors?
• What is the final step in proper syringe assembly?
• In proper syringe assembly, which step is the second?
• In what year did Procaine start being used?
• Which structure is NOT typically cited as a landmark for the Inferior Alveolar Nerve Block?
• What is the medical term for the symptom complex that includes chest pressure, shortness of breath, fatigue, and pain radiating to the neck or arms?
• In a patient with a pacemaker, which practice is NOT recommended when administering LA?
• What is the proper bevel orientation relative to the periosteum?
• What is a classic early symptom of local anesthetic systemic toxicity (LAST)?
• Cocaine was first used as an anesthetic in which year by Koller?
• Which injection is used to anesthetize the palatal tissue at the incisive canal region?
• Articaine is commonly formulated with a vasoconstrictor at which concentration?
• Which preservative in some epinephrine-containing solutions can trigger reactions in sulfite-sensitive patients?
• Which ADA criterion best reflects ease of use with one hand?
• What should you do if bubbles in carpule are larger than 2 mm?
• Which nerve block provides pulpal anesthesia to maxillary anterior teeth and their facial gingiva?
• Epinephrine can be used at a very low dose for which hypertension status?
• Which anesthetics will you find available in our clinic?
• When facial (7th) nerve paralysis occurs after local anesthesia, what should you tell the patient?
• Light blue label corresponds to Lidocaine HCL 2% without epinephrine how is this most accurately described?
• Which technique is used to achieve pulpal anesthesia of maxillary teeth while also anesthetizing the buccal gingiva?
• Which gland is NOT primarily controlled by the mandibular branch for saliva production?
• The ophthalmic branch of the trigeminal nerve is associated with which gland?
• Bupivacaine (Marcaine) is indicated for which dental situations?
• Gold label corresponds to which anesthetic?
• Which statement about topical anesthesia usage is accurate?
• What is the maximum dose in carpules for Articaine 1:100,000?
• Articaine is used for infiltrations of which tissues in the clinic?
• Which duration best describes Bupivacaine?
• What is the term for a severe life-threatening allergic reaction requiring emergency care?
• What term best explains why anesthesia may numb one tooth but not the next in the lower anterior region?
• Most mandibular paresthesias resolve within how many weeks?
• Which symptom pair is commonly recognized as part of local anesthetic overdose?
• Red label lidocaine solution most likely contains epinephrine at which concentration?
• Which of the following is a probable cause for mandibular paresthesia after local anesthesia?
• The name 'carpules' is the registered trade name for dental cartridges given by which laboratory?
• Which action is recommended to reduce fear by encouraging engagement?
• Which nerve block is commonly used with the inferior alveolar nerve block to anesthetize the buccal mucosa of the mandible?
• Which statement best describes a key prevention of needle fracture?
• Which injection is used to anesthetize the buccal mucosa near the maxillary molars?
• Lidocaine 2% 1:50,000 epinephrine is used for which purpose?
• Which technique minimizes intravascular injection risk besides aspiration?
• Which of the following is NOT one of the six methods to minimize patient fear and avoidance?
• Which statement describes when you should NOT use epinephrine?
• Lidocaine HCL 2% epi 1:100,000
• Which local anesthetic is frequently used for quadrant extraction procedures due to its long duration?
• Which nerve is primarily associated with saliva production from major glands?
• Which sequence lists the injections in the correct order for one side?
• Which elements must be included in informed consent for local anesthesia?
• Which part of the syringe should be cleaned with a brush after each use?
• Which two anesthetics are potent vasodilators and therefore cannot be used without a vasoconstrictor?
• After cleaning, which step should be performed on the syringe just as with hand instruments?
• Which mandibular block is particularly useful when mouth opening is limited or inferior alveolar nerve block is difficult?
• What is the maximum recommended dose of epinephrine for a healthy adult when using lidocaine with 1:100,000 epinephrine?
• How should you respond first when LAST is suspected in a dental setting?
• Which complication is associated with prilocaine and can cause reduced oxygen delivery to tissues?
• How do infiltration anesthesia and nerve blocks differ in their mechanism and target?
• After a mandibular paresthesia event, how often should the patient be brought back for a check?
• Which practice specifically reduces contamination risk when handling syringes during injections?
• Significance of the mental foramen in anesthesia?
• Which component degrades with light exposure in local anesthetic solutions?
• Where should anesthetic carpules be stored?
• Why is sterile technique important in local anesthesia administration?
• Amides are metabolized by ______ enzymes while esters are metabolized by ______ enzymes.
• Which preventive measure is most effective to reduce cheek biting during dental procedures?
• Which anesthetic in our clinic is Articaine Septocaine with 1:100,000 epinephrine?
• Name a drug class known to interact with vasoconstrictors and potentially increase pressor effects.
• Which statement reduces injection anxiety?
• Articaine-associated paresthesia is most commonly related to which region?
• Which agent is commonly applied to lips to aid healing of cheek biting sores?
• In administering local anesthetics, intravascular injection can be avoided by which technique?
• What is the minimum needle gauge recommended for injections?
• What is the role of sodium bicarbonate in LA overdose management?
• The maxillary nerve's branches are associated with which glands?
• Hematomas are most common during which block?
• When providing LA to a patient with a pacemaker, which consideration is important?
• Which local anesthetic is particularly effective for infiltration anesthesia in pediatric mandibular molars and for infiltration of maxillary and mandibular soft tissues?
• Which of the following is NOT listed as ADA criteria for anesthetic syringes?
• Which statement about sulfite-sensitive patients and epinephrine formulations is true?
• Mepivacaine HCL with levonordefrin 1:20,000 is available at what concentration?
• Which signs would prompt a clinician to suspect local anesthetic systemic toxicity (LAST) during administration?
• Which amide local anesthetic has the shortest half-life of 30-45 minutes?
• What is the typical onset time for lidocaine with vasoconstrictor?
• Which item can be used as a comfort aid during dental procedures?
• Maximum safe dose for Lidocaine is 8 carpules for a 150 lb patient.
• Which color label corresponds to Mepivacaine HCL 3%?
• What size needle can be used for all other injections, provided that aspiration rate is low & tissue penetration is not great?
• After each use thoroughly __ and __ the anesthetic syringe.
• What 4 steps should you follow if a needle breaks off in the patient's mouth?
• Which option best describes the typical clinical sign indicating a hematoma after a mandibular block?
• Which local anesthetic produces less vasodilation and can be used without vasoconstrictor for short procedures, used for nonsurgical periodontal therapy in shallow pockets with soft tissue sensitivity but no root sensitivity?
• How much anesthetic is contained in one carpule?
• If resistance is encountered during needle advancement, what should you do?
• Mepivacaine HCL 2% levonordefrin 1:20,000 color?
• Which type is used today in dentistry?
• What size needle is preferred for all injections presenting high risk of positive aspiration?
• Which anesthetic provides profound pulpal anesthesia and should be used in elderly patients?
• Which of the following is NOT recommended to minimize patient fear and avoidance?
• What is a recommended technique to minimize tissue trauma during local anesthetic injection?
• For a patient who requires local anesthesia but has significant cardiovascular disease, what is a common alternative to epinephrine-containing solutions?
• A pack consisting of five sealed units with ten cartridges is called a __ pack.
• Epinephrine is more __ than neo-cobefrin?
• Why should local anesthetic solutions be protected from light and stored properly?
• What handling precaution is advised for a glass carpule?
• Is there an absolute contraindication to vasoconstrictors in local anesthesia?
• Never do a block with a __ needle.
• What is the common sign of a hematoma after a mandibular block?
• Which condition is a relative contraindication for using vasoconstrictors in dental anesthesia?
• If the cartridge is full of blood with positive aspiration, what should you do?
• There is no cross-allergy among amide anesthetics.
• Which elements should be documented in the medical history before LA administration?
• What percentage of mandibular paresthesia cases are associated with Articaine?
• Pt movement is a big contributor to which complication during injections?
• Lower Mandibular Anterior teeth anesthesia may exhibit variability due to what phenomenon?
• Lidocaine HCL 2%
• Compared with esters, amides provide a greater degree of anesthesia.
• Which conditions typically make vasoconstrictors a relative contraindication?
• What is the approximate half-life of articaine?
• Which mandibular block is described as the closed-mouth technique?
• Most commonly used amide in dentistry with rapid onset and no cross-allergy; used to infiltrate, block, and topical forms.
• Which local anesthetic diffuses through soft and hard tissues more readily than other amides?
• Green label lidocaine solution most likely contains epinephrine at which concentration?
• What is the appropriate response to a patient who faints during LA?
• Mepivacaine is the brand Carbocaine.
• The nerve innervating the lower lip and chin that is commonly targeted by the mental block is the:
• Facial nerve paralysis results from deposition into which gland?
• To achieve pulpal anesthesia of maxillary teeth and anesthesia of the adjacent buccal gingiva, clinicians commonly perform which combination?
• Deposition pressure is described as what type of pressure when the thumb applies force to the thumb ring?
• Which option is NOT listed as available in our clinic's anesthesia options?
• If a patient has contraindications to vasoconstrictors, what should be used for local anesthesia?
• Post-injection monitoring should include signs of which serious complication?
• Which glands are stimulated by the mandibular branch for saliva production?
• What should be included in post-injection instructions for the patient?
• When storing carpules, the aluminum cap and diaphragm should be oriented how?
• Which landmark is located by palpating with the thumb during the Halstead mandibular block?
• If bubbles in a carpule are larger than 2 mm, what should you do?
• What is the pediatric maximum recommended dose for lidocaine with epinephrine for a child weighing 20 kg?
• Lidocaine is used for which administration routes?
• In proper syringe assembly, which step is the third?
• Which color label corresponds to Prilocaine HCL 4% epi 1:200,000?
• Cocaine was isolated from coca leaves by Albert Niemann in which period?
• Lidocaine is the most commonly used amide local anesthetic in dentistry.
• Which label color corresponds to Mepivacaine HCL 2% levonordefrin 1:20,000?
• Name an amide local anesthetic commonly used in dentistry that provides about 60 minutes of pulpal anesthesia with epinephrine.
• Blue label corresponds to which anesthetic?
• What is the primary purpose of autoclaving instruments?
• Which statement best describes the action of nerve blocks?
• What are the most common needle sizes used in dentistry?
• What is the primary purpose of aspiration before injecting a local anesthetic?
• For a child weighing 25 kg, what is the maximum lidocaine with epinephrine dose per appointment based on 7 mg/kg?
• What material are these breech-loading syringes made of?
• Articaine is used for infiltrations of mandibular primary molars.
• Which factor contributes to needle fracture during local anesthesia administration?
• For the Halstead mandibular block, how should the needle be oriented in relation to the plane of occlusion?
• Lidocaine and Prilocaine are classified as which pregnancy category?
• Epinephrine has no cardiac effect on a healthy patient. Which option reflects this statement?
• What is the standard volume of a dental carpule?
• Significance of atypical plasma cholinesterase to local anesthetic overdose: if a patient has alcoholism or liver disease or decreased liver function, they are __ to metabolize/eliminate the anesthesia from their body, causing overdose.
• Never insert the needle all the way to the hub. What is the most likely location of a needle break?
• Hematoma formation is mainly caused by what?
• Which injection is performed immediately after ASA in the sequence for one side?
• Why are some local anesthetics only available with vasoconstrictors?
• After every how many autoclavings should you dismantle the syringe and lightly lubricate all threaded joints?
• Target area for the mental block is the mental nerve entering the mental foramen.
• Which color label corresponds to Prilocaine HCL 4%?
• Which combination reflects common management steps for cheek biting sores?
• Which of the following are symptoms associated with local anesthetic overdose?
• Which of the following is a late progression of LAST?
• Articaine
• Which anesthetic is available without vasoconstrictor in our clinic?
• What risk increases with injecting large volumes of local anesthetic into a single quadrant?
• Which local anesthetic has the longest duration among those listed in the clinic?
• Which pharmacologic intervention is specifically indicated as part of LAST treatment (pharmacologic therapy)?
• Which local anesthetic is more potent with a longer duration and is commonly used for endodontic, periodontal, and oral surgery procedures, including quadrant extractions?
• Order of injection for one complete side of the mouth?
• Aspiration is indicated by drawing back on the thumb ring; which type of pressure is this?
• After a negative aspiration, reaspirate at a what degree angle?
• Esters have a higher allergic reaction rate due to PABA byproduct.
• Do most dentists aspirate?
• Which nerve block uses the coronoid notch as a landmark and is placed near the pterygomandibular region?