StudentRDH Local Anesthesia Practice Exam

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• What effect do local anesthetic molecules have on the sodium channels in nerves?
• What type of needle should be used for an inferior alveolar nerve block?
• The inferior alveolar nerve enters which foramen to innervate the mandibular teeth?
• What method is best for resolving symptoms associated with trismus?
• Which vasopressor should be avoided in patients taking non-selective tricyclic antidepressants?
• What injection is the clinician performing when drawing two imaginary lines from the first and second premolar to the medial palatine raphe?
• Which of the following can be an early sign of local anesthetic overdose?
• Which of the following advice can help a patient prevent soft tissue injuries following local anesthesia?
• Which local anesthetic is the least vasodilating?
• What does the term "aspartate" refer to in local anesthesia?
• Which local anesthetic is commonly preferred for shorter dental procedures?
• What effect does anxiety have on local anesthesia administration?
• Which is NOT an ideal fulcrum position when providing local anesthesia?
• Which of the following is NOT a function of local anesthetics?
• The mental nerve is responsible for innervating which area?
• Which technique allows for the fastest anesthetic onset?
• How many cartridges of 4% prilocaine plain can a 180 lbs, 40 y/o male patient receive? (Round up)
• What is the absolute highest local anesthetic MRD for lidocaine with epinephrine?
• How much local anesthetic is contained in a cartridge of 4% articaine (1.7 ml solution)?
• Which nerve provides sensory innervation to the soft palate?
• Which anesthetic agent is commonly used in dental offices for its low allergenic potential?
• Compared to a 30-gauge needle, the 25-gauge needle has a lumen that is:
• Which of the following pairs of generic and brand names for local anesthetics is incorrect?
• What is the insertion depth for an inferior alveolar nerve block?
• Identify the drug from the list that is NOT classified as an amide.
• Which needle type is appropriate for an IA nerve block?
• A periodontal surgery is scheduled around the second maxillary right molar. Which type of injection is needed?
• Which local anesthetic has a risk of causing methemoglobinemia?
• How many mg of local anesthetic are in two cartridges of 2% lidocaine 1:100,000?
• Where should the needle be inserted for an infraorbital nerve block?
• What is the primary purpose of a buccal nerve block?
• How much of the long needle should penetrate the tissue for an IA nerve block?
• What is the combination of drugs in EMLA?
• What is the effect of tissue inflammation on the effectiveness of local anesthesia?
• Which anesthetic method is primarily used for a single tooth treatment?
• Which of the following conditions may happen if a needle did not contact the bone when administering an inferior alveolar nerve block?
• For periodontal surgery around the second maxillary right molar, which injection is needed?
• Which of the following is related to early signs of local anesthetic toxicity?
• What is the proper penetration depth when using a long needle for a PSA?
• Local anesthetic molecules bind to which part of the nerve?
• If epinephrine is injected into the cardiovascular system, it will:
• What is the effect of local anesthesia on the cardiovascular system?
• What is the effect of potassium ions during the repolarization phase of a nerve cell?
• Which nerve is primarily responsible for sensation in the lower jaw?
• What can the patient do to stop a hematoma from spreading as soon as it appears?
• What is the maximum dosage of lidocaine for healthy adults per appointment?
• What is the most common reason for the drooping of the lip and face after a local anesthetic procedure?
• Which of the following is the target area for the ASA nerve block?
• What type of nerve block anesthetizes the mandible in a more localized manner?
• What is the maximum recommended local anesthetic dosage for mepivacaine plain?
• Which of the following is related to early signs of local anesthetic toxicity?
• What is the primary mechanism of action for local anesthetics?
• Which part of the nerve carries the electrical propagation of a stimulus?
• After administering an IA nerve block, a bluish spot on the buccal mucosa is most likely indicative of which of the following?
• What is a common complication of a PSA nerve block?
• Which foramina is the opening for the mandibular division of the trigeminal nerve?
• A patient who is allergic to an ester would also be allergic to which of the following?
• How much local anesthesia is in a dental cartridge of 2% concentration (1.8 ml)?
• Which nerve is NOT affected by the infraorbital nerve block?
• What is the amount of local anesthetic in one cartridge of 2% lidocaine (1.8 ml)?
• Topical anesthetics are less effective on which type of tissue?
• What type of injection most efficiently provides hemostasis?
• What can the patient do to relieve trismus?
• Which of the following is true about the effect of local anesthetics on the CNS?
• What term describes the process of nerve impulses jumping between nodes of Ranvier?
• In what situation is it appropriate to use an infiltration instead of a nerve block for anesthesia?
• What is the purpose of administering a mental nerve block?
• Nerve impulse conduction is faster in which type of nerve fiber?
• How much anesthetic should be administered for a posterior superior alveolar nerve block?
• Which of the following is an absolute contraindication for using vasoconstrictors?
• What is the recommended amount of local anesthetic for a buccal nerve block?
• What is the role of the lingual nerve in sensory innervation?
• How much local anesthetic is contained in 3 cartridges of 4% prilocaine?
• How much local anesthetic is present in a 0.5% dental cartridge (1.8 ml cartridge)?
• If the patient is affected by cirrhosis, what happens to the anesthetic drug?
• Epinephrine should not be used on patients who:
• Which part of the standard syringe is responsible for penetrating the rubber stopper of the dental cartridge?
• Which of the following drugs falls under pregnancy category B?
• Which type of injection technique is known to provide the longest duration of anesthesia?
• Which injection is needed to anesthetize the palatal tissue around the left max molar?
• If a patient develops anaphylaxis, the clinician should provide:
• What is the effect of local anesthetics on the threshold potential of nerves?
• Which of the following local anesthetics is least likely to cause an allergic reaction?
• How much local anesthetic is there in a dental cartridge of 1% concentration (1.8 ml cartridge)?
• Which local anesthetic should be utilized to ensure an anesthetic effect lasting at least 5 hours?
• What happens when sodium ions efficiently penetrate the nerve cell?
• When administering local anesthetic, what should a patient taking Elavil avoid?
• Which of the following injections is most appropriate for the maxillary first molar?
• Does the greater palatine nerve block provide anesthesia for the maxillary posterior teeth?
• When administering a local anesthetic, what should be done if the needle does not contact the bone?
• How deep can a topical anesthetic be effective on tissues?
• What is the primary purpose of using a vasoconstrictor in local anesthesia?
• Which of the following is TRUE about the effect of local anesthetics on the central nervous system?
• Which structure is primarily innervated by the mental nerve?
• What could be a reason for local anesthesia to fail during endodontic treatments?
• Which agent in anesthesia can help to prolong the effect of the anesthetic agent?
• What could cause the failure of the right IA block to anesthetize the central and lateral incisors on the same side?
• The greater palatine nerve innervates:
• What is the bevel direction for the greater palatine nerve block?
• If a needle does not contact the bone during an inferior alveolar nerve block, what condition may result?
• Which of the following conditions can affect the speed of drug biotransformation?
• Which dental structure is anesthetized by the incisive nerve block?
• During which phase of anesthesia is the patient likely to feel warm and drowsy?
• Which of the following injections is needed to anesthetize the maxillary posterior teeth?
• Which anesthetic is contraindicated for patients allergic to para-aminobenzoic acid?
• What is the absolute maximum recommended local anesthetic dosage for articaine without epinephrine?
• Which of the following is not classified as an amide?
• Which area of the oral cavity does the greater palatine nerve primarily affect?
• How much local anesthetic is there in a dental cartridge of 3% concentration?
• Which local anesthetic is known for having the shortest duration of action?
• How much anesthetic should be used for a greater palatine nerve block (GP)?
• What is the maximum dosage of 2% lidocaine for a patient weighing 200 lbs?
• What is the primary function of the nasopalatine nerve?
• What is the primary function of local anesthetics in nerve conduction?
• Which property of local anesthetics affects their ability to diffuse through tissues?
• What can a clinician do to control a hematoma?
• Local anesthetics mainly affect which of the following?
• What should be avoided when a patient is taking a tricyclic antidepressant?
• Which of the following local anesthetics can cause cardiotoxicity in high doses?
• Which of the following anesthetics typically provides a longer pulpal anesthesia duration?
• When providing an inferior alveolar nerve block, where should the solution be deposited?
• What is the absolute maximum recommended local anesthetic dosage for bupivacaine?
• What is the primary role of epinephrine in local anesthetic solutions?
• What size bubble is considered "normal" in a new dental cartridge?
• If treatment is needed on the maxillary left second molar, what is the most appropriate injection?
• What is the correct method to calculate the local anesthetic dosage for an 18-year-old teenager weighing 120 lbs?
• What should be done if blood is rapidly filling the dental cartridge during aspiration?
• If a patient weighs 120 lbs and has no specific medical condition, what is the maximum amount of cartridges of 2% lidocaine 1:100,000 that can be administered?
• Local anesthetics ___________ the rate of depolarization.
• What is the purpose of sodium bisulfite in dental cartridges?
• What is a potential consequence of improper administration of local anesthetic at the correct height?
• Infiltration is contraindicated when:
• Topical anesthesia affects:
• Which of these drugs contains an ester group?
• Psychogenic pain describes:
• For the administration of an inferior alveolar nerve block, how much of the long needle should penetrate the tissues?
• Which of the following methods can best resolve symptoms associated with trismus?
• Identify the drug that is categorized as an amide.
• What is the approximate volume of a standard dental cartridge?
• Which term refers to decreased response to a drug after its repeated usage?
• Which of the following is NOT a branch of the mandibular (V3) nerve?
• If a local anesthetic is a "relative contraindication," this means that:
• When providing local anesthesia for a child, which of the following is not true?
• How much anesthetic is typically used in a mental nerve block?
• What is the purpose of the bevel on a needle?
• What is the recommended needle recapping technique?
• Which of the following statements is TRUE?
• When should a clinician change the needle during a procedure?
• What volume of anesthetic is most commonly used for a buccal nerve block?
• Which of the following is NOT a branch of the maxillary nerve?
• Which injection can potentially affect a patient's vision?
• What type of injection most efficiently provides hemostasis?
• Which of the following statements about topical anesthetics is true?
• If a patient can safely receive 400 mg of mepivacaine, how many cartridges can they take if each cartridge contains 54 mg?
• Which nerve primarily innervates the maxillary incisors?
• What is the ideal volume of anesthetic in a standard dental cartridge?
• Which injection is most effective for anesthetizing max molars in a 5-year-old child while minimizing side effects?
• A hematoma quickly appears after a PSA nerve block. Which of the following may have caused the hematoma?
• Where should the bevel direction be for ASA, MSA, PSA, Mental, and Incisive nerve blocks?
• Which nerve is primarily responsible for sensory reception of the lower lip?
• What is the reasoning behind taking blood pressure before administering local anesthesia?
• What happens during the depolarization phase of a nerve cell?
• What are common signs of CNS depression due to local anesthetic toxicity?
• What is the estimated anesthetic effect duration on soft tissue when using 2% lidocaine with 1:100,000 epinephrine?
• Which of the following is FALSE regarding a buccal nerve block?
• What could be the reason for unsuccessful anesthetization of the central and lateral incisors during an IA block?
• In which of the following organs is prilocaine biotransformed?
• What nerve innervates the anterior 2/3 of the tongue?
• If a patient is allergic to red wine, which of the following precautions should be taken?
• Which preservative is used in dental cartridges?
• What happens if the clinician punctures the pterygoid plexus during a PSA nerve block?
• What is considered the weakest part of a needle?
• Which of the following drugs has the shortest half-life?
• If a long needle is used for a PSA, what is the proper penetration depth?
• Which local anesthetic can be used without a vasoconstrictor due to its low vasodilating properties?
• A needle barb can cause what type of pain?
• Which nerve block is used to anesthetize the buccal soft tissue of the molars?
• Which nerve block is primarily used for anesthesia of the lower teeth?
• At what injection speed will a patient most likely feel comfortable?
• Which local anesthetic is metabolized by pseudocholinesterase?
• What type of adverse reaction is related to elevated levels of drugs in the blood?
• Which of the following emergency conditions occurs the most frequently with local anesthetic injections?
• Which method is recommended for reducing pain during the initial injection?
• Oraquix is effective on soft tissues for approximately how long?
• What is the recommended volume of anesthetic for the MSA nerve block?
• Why do ester drugs occasionally cause allergic reactions?
• Which local anesthetic is considered safest for pregnant and lactating women?
• During a nerve block, if the patient's tongue becomes numb, what does this typically indicate?
• For an infiltration to effectively anesthetize teeth pulp, where should the solution be deposited?
• What is the needle insertion site for the buccal nerve block?
• What is the most common cause of needle breakage?
• What is the brand name for Articaine?
• Which local anesthetic technique targets the posterior superior alveolar nerve?
• What is the maximum recommended amount of anesthetic solution for a single PSA nerve block?
• How much local anesthesia is contained in 4 cartridges of 2% Lidocaine 1:50,000?
• Which of the following factors can affect the severity of an overdose reaction?
• What is the main function of the myelin sheath?
• Which of the following chemicals is classified as not an ester?
• Which statement is correct regarding the vasodilating property of local anesthetics?
• Which statement regarding the comparison between ester and amide drugs is FALSE?
• Which of the following statements about needle disposal is FALSE?
• What can cause paresthesia?
• What is the effect of using plain local anesthetic on patient comfort during longer procedures?
• What is the concentration of prilocaine in a 1.8 ml cartridge?
• What mechanism helps ensure that local anesthetics remain within the target area during an injection?
• What is the primary metabolite of prilocaine that can lead to methemoglobinemia?
• Which of the following injection techniques targets terminal nerve endings?
• What are the landmarks for the MSA nerve block?
• The incisive foramen is the opening for the:
• Which nerve block targets the area around the second and third molars?
• Epinephrine should NOT be used on patients who:
• What is a benefit of using a small gauge needle in dental procedures?
• Which of the following drugs can impair the biotransformation of lidocaine?
• Which injection is needed to anesthetize the palatal tissues around the left maxillary molar?
• What is the primary function of the incisive nerve?
• If the area surrounding the mandibular incisors is not fully anesthetized, what should the clinician do?
• What is the absolute maximum recommended dosage (MRD) for Lidocaine with epinephrine?
• What could cause one side of a patient's face to "droop" after an injection?
• Patients who respond to local anesthetics faster and more readily than expected are called:
• Which of the following is a sensory nerve branch of the mandibular (V3) anterior trunk?
• Which local anesthetic is known to be potentially harmful in patients with methemoglobinemia?
• How much local anesthetic would 3 cartridges of 3% mepivacaine provide?
• Where is the syringe typically positioned for a nerve block injection?
• The patient experienced a sharp pain when the needle was inserted. This is most likely related to the:
• What is the primary purpose of a field block injection?
• Local anesthesia given in preparation for endodontic treatments can sometimes fail. What could be the reason?
• How much local anesthetic is in two cartridges of 1% lidocaine?
• Which type of anesthesia can lead to a risk of systemic toxicity when administered in high doses?
• What factors can determine the effectiveness of local anesthetic?
• Which of the following drugs contains an ester group?
• Which nerve block primarily targets the mandibular incisors and canines?
• What type of injection can best achieve hemostasis?
• Local anesthesia injections primarily use which route of administration?
• What is an expected response from a hyper-responder to local anesthetics?
• Which of the following foramina is associated with the maxillary division?
• How long should topical anesthetic be applied before the procedure?
• Which nerve provides sensory innervation to the soft palate?
• What should a clinician provide if a patient develops anaphylaxis?
• While awaiting dental treatment, a patient experiences sudden chest pain lasting about 3 minutes. This is most likely to be:
• The patient may experience burning pain upon a local anesthesia injection because:
• What is the typical amount of anesthetic used for an IA nerve block?
• What is the typical injection depth for the PSA nerve block?
• Which injection method is useful for evaluating a smile while providing anesthesia to the max anterior teeth?
• Which of the following statements about a buccal nerve block is false?
• Which of the following injections is more likely to cause trismus?
• Which of the following is the brand name of mepivacaine?
• Which of the following is true regarding how local anesthetics work?
• Which injection technique provides the longest duration of anesthesia?
• The absolute highest MRD for a local anesthetic agent is used under which condition?
• What may have caused a hematoma after a PSA nerve block?
• Which of the following should the clinician provide for a patient experiencing hypoglycemia and angina?
• Which local anesthetic has a rapid onset but shorter duration compared to others?
• The patient is experiencing tremors and numbness in the extremities, is very talkative, and then suddenly loses consciousness. What condition did they most likely experience?
• During which nerve block is the pterygoid plexus more likely to get punctured?
• Which of the following drugs is known to potentially cause methemoglobinemia?
• What is the duration of action for mepivacaine when used in a nerve block?
• Which local anesthetic is contraindicated for patients with COPD?
• What is the main concern when administering local anesthesia to patients with certain medical conditions?
• Which structures are anesthetized with the incisive nerve block?
• If local anesthetic is administered without considering the patient's medical history, what may occur?
• Which structure may NOT be anesthetized by the PSA nerve block?
• How much anesthetic is typically used for a PSA nerve block?
• If the patient is affected by cirrhosis:
• What is the preferred site to administer an inferior alveolar nerve block?
• The patient you are treating starts to feel swelling in her throat after a local anesthesia injection. What can the clinician do to manage this situation?
• What is the absolute maximum recommended local anesthetic dosage for prilocaine?
• What is the amount of local anesthetic in a dental cartridge of 4% concentration (1.8 ml cartridge)?
• What is the main advantage of using computer-controlled local anesthetic delivery systems?
• What is an effect of overdose from local anesthetics?
• To achieve complete anesthesia of the right side palate, which injections are necessary?
• How many mg of anesthetic is in a dental cartridge of 3% mepivacaine?
• Which color code is used for a 27-gauge needle?
• Why is a short needle often preferred for PSA?
• The length of the rubber stopper in a cartridge is equivalent to what volume of solution?
• At the end of the dental appointment, you noticed that one side of the patient's face is "drooping". What could have caused this change?
• What likely causes sharp pain during the insertion of a needle?
• What is the primary consideration when choosing the needle for an IA nerve block?
• Which of the following structures is innervated by the mental nerve?
• Which nerve innervates the buccal soft tissues of the molars?
• Which of the following does not help alleviate the symptoms of trismus?
• What is the primary function of the incisive nerve?
• What is the purpose of a field block injection?
• Why is sodium bisulfite added to dental cartridges?
• Which of the following is the brand name of articaine?
• Which local anesthetic should be used for at least 5 hours of anesthesia?
• In what situation is heat compression recommended for managing trismus?
• Which of the following symptoms can be caused by paresthesia?
• The patient is currently taking Elavil (tricyclic antidepressants). What should be avoided when administering local anesthesia?
• Topical anesthetics in dentistry are mainly used for which purpose?
• A patient weighing 120 lbs can receive a maximum of how many cartridges of 2% lidocaine 1:100,000?
• Methemoglobinemia is a contraindication for which of the following local anesthetics?
• A vasoconstrictor does all of the following except?
• What is the primary purpose of using local anesthetic with a vasoconstrictor during a dental procedure?
• Which of the following nerve supplies the soft tissues from canine to canine area?
• Which nerve block does NOT anesthetize the teeth?
• Which structure can the mental nerve block anesthetize?
• Ultra-short needles are typically how long?
• Injectable local anesthetics are primarily delivered through which method?
• Which of the following injections is needed to anesthetize the maxillary posterior teeth?
• When is infiltration contraindicated?