Local Anesthesia Evaluator Practice Exam

These questions are part of the practice quiz. Start practicing

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