Local Anesthesia in Dentistry, Exams of Nursing

Download Local Anesthesia in Dentistry and more Exams Nursing in PDF only on Docsity! Local Anesthesia Final Exam Questions with Complete Verified Solutions Which of the following statements is true of local anesthesia? A. Local anesthesia eliminates the feeling of sensation without the loss of consciousness B. Local anesthesia is an unpleasant sensory and emotional experience C. Local anesthesia eliminates the feeling of sensation through loss of consciousness D. Local anesthesia is never necessary for dental hygiene appointments --- correct answer ---A Which of the following methods of pain control did not pave the way for modern anesthetics? A. scaring off demons B. herbs and plants C. therapeutic massage D. alcohol, cannabis, and opium --- correct answer ---C The first effective gas inhalation anesthetic was A. nitrous oxide B. ether C. halothane D. acetylated alicyclic acid --- correct answer ---B The first local anesthetic was A. lidocaine B. cocaine C. novocaine D. articaine --- correct answer ---B Which of the following is the most populate dental anesthetic used in the USA? A. Procaine B. novocaine C. Mepivicaine D. Lidocaine --- correct answer ---D Local anesthetics ______ the pain signal to the brain A. have no effect on B. slow C. speed D. block --- correct answer ---D Which of the following advantages is/are associated with the use of a local anesthetic? A. hemostasis B. pain control C. no memory of procedure D. both A & B --- correct answer ---D Which of the following statements is true? Although the patient may be apprehensive about receiving an injection, once the anesthesia is administered, its effect will help attain the patient's human need for ___ by providing comfort A. safety B. self-actualization C. belonging D. esteem --- correct answer ---A Which of the following will lower the pain reaction threshold? A. fear B. fatigue C. emotional distress D. all of the above --- correct answer ---D ______ is defined as the neurologic experience of pain; it differs little between individuals A. stress B. pain reaction C. pain perception D. pain threshold --- correct answer ---C _______ is a physical and emotional response to a particular situation A. pain B. stress C. apprehension D. anxiety --- correct answer ---B Dr. Henry Beecher is credited with defining _____ as a combinatino of physical sensation and cognitive perception A. pain B. pain control C. stress D. pain reaction --- correct answer ---A What potent drug used for pain control was derived from opium? A. lidocaine B. novocaine C. morphine D. codeine --- correct answer ---c What drug did Horace Wells first introduce into dentistry for pain control? A. nitrous oxide B. local anesthetics C. topical antesthetics D. morphine --- correct answer ---d All of the following are reasons why procaine was not as desirable as lidocaine for pain control except which one? A. difficult to produce the desired anesthetic result B. it causes allergic reactions C. it was not as potent D. it was addictive --- correct answer ---d Inject able amides are recommended over esters because there is: A. less risk of allergic reactions B. increased potency C. decreased mechanism of action D. both A & B --- correct answer ---d _______ conduct both incoming and outgoing nerve transmissions A. Efferent nerves B. Afterward nerves C. Mixed nerves D. Combination nerves --- correct answer ---C The location of the fasciculi will determine how and when the local anesthetic takes effect _____ bundles receive a ____ concentration of the anesthetic _______ A. Core, diluted, first B. Mantle, higher, first C. Core, higher, first D. Mantle, diluted, last --- correct answer ---B The nervous system is organized by location direction of nerve impulse and function. Which of the following categorizes the nervous system by function? A. Somatic and autonomic nervous systems B. Central and peripheral nervous systems C. Afterward and efferent divisions of the nervous systems D. Both B and C --- correct answer ---A The somatic nervous system carries information to voluntary and reflex motor organs. Somatic the factors control smooth muscle cardiac muscle and glandular tissue. --- correct answer ---The first statement is true the second is false C. Glucose D. Calcium --- correct answer ---A Many of the numerological symptoms in ________ are present due to a pathological demyelination of axons. A. Parkinson's disease B. Multiple sclerosis C. Alzheimer's disease D. Meningitis --- correct answer ---B Which of the following nerve fibers are not responsible for dental pain? A. Type a B. Type b C. Type c D. Both A and C --- correct answer ---B Which of the following statements is true A. The most abundant type of oral nerve fibers are type C fibers B. Type C fibers require a greater volume of local anesthetic to achieve profound anesthesia then do the larger type a fibers C. Type C fibers are responsible for bright sharp dental pain D. Type C fibers are usually myelinated --- correct answer ---A Not all nerve fibers are sensitive to local anesthetics. However nerve fibers of a smaller diameter's are usually more sensitive than those with large diameters. --- correct answer ---First statement true second false A stimulus is an electrical message from one part of the body to another. And impulse is an environmental change an excitable tissue. --- correct answer --- Local anesthetics work by preventing the nerve from reaching a state of polarization. The conduction of nerve impulses is prevented as long as the anesthetic is bound to the receptor sites. --- correct answer ---The first statement is false the second is true All injectable local anesthetics used in dental offices today belong to the ______ group A. Amide B. Ester C. Both A and B D. Neither A nor B --- correct answer ---A The ______ lipid soluble an anesthetic is, the ________ its potency A. More, lower B. Less, greater C. Less, lower D. More, greater --- correct answer ---A Which of the following is true regarding local anesthetics? A. Topical anesthetics do not pose a risk of toxicity even when applied in large amounts B. The application of a topical anesthetic is more effective than a sub mucosal injection C. Topical anesthetics are highly concentrated D. Topical anesthetics are applied below the surface of the mucous membrane --- correct answer ---C Prior to injection ______ local anesthetic solutions are ______ A. All, acidic B. No, acidic C. All, basic D. 80%, acidic --- correct answer ---A The oral tissues of a patient with an inflamed dental infection will be more acidic. A lower tissue PH makes affective dental anesthesia more difficult --- correct answer ---Both statements are true The mantle bundles innervate the anterior teeth at the end of the nerve fiber. The further interior a tooth is located a long a nerve fiber, the less likely it is to experience profound anesthesia. --- correct answer ---First statement false second true Which of the following statements is generally true? A. Induction time is shorter than recovery time B. Recovery time is shorter than induction time C. Induction time is longer than recovery time D. Recovery time is equal to induction time --- correct answer ---A Which of the following best defines tachyphylaxis? A. And equation used to calculate the pH of a buffer solution B. The decreased potency of an anesthetic in acidic tissues C. The study of the action of drugs within the body D. A term used to describe an increased tolerance to a drug --- correct answer ---D Which of the following will decrease the duration of a local anesthetic? A. A firm binding to the receptor site B. Increased vascularity C. Presence of a vasoconstrictor in the anesthetic C. Develop symptoms occurring 12 to 14 hours after administration D. Anticonvulsant symptoms occurring 24 to 48 hours after ministration --- correct answer ---A The most potent of all local anesthetics _______ has the highest P KA and the slowest onset of action A. Bupivacaine B. Lidocaine C. Tetracaine D. Articaine --- correct answer ---A Which characteristic enhances the effectiveness of local anesthetics? A. High lipid solubility B. High pKa C. Low pH D. High concentration of cation molecules --- correct answer --- Infection and inflammation can cause the following affects when administering a local anesthetic: A. Make the local anesthetic more effective B. Increase tissue vascularity which can inactivate the local anesthetic more rapidly C. Increase the duration of action of the local anesthetic D. Cause the inflamed tissue to have a high pH --- correct answer --- All of the following are desirable properties of local anesthetics except which one? A. Reversible B. Rapid onset C. Stability in solution D. Potent E. slow biotransformation --- correct answer --- On occasion, a local anesthetic may be used for hemostasis in an area that is already number. These higher concentrations of epinephrine also prolong the duration of the anesthesia. --- correct answer ---The first statement is true the second is false Which of the following is an effect of the additive sodium bisulfate? A. Prolonged shelf life B. Hemostasis C. Increased anesthetic duration D. Pulpal anesthesia --- correct answer ---A A patient with a sulfite allergy can be administered which of the following? A. 3% mepivacaine B. 2% lidocaine C. 4% prilocaine D. Both A and C --- correct answer ---D Which of the following is considered a beneficial use of epinephrine? A. Increase in cardiac efficiency B. Treating anaphylactic attacks C. Hemostasis D. Both B and C --- correct answer ---D In the event of an inadvertent intravascular injection, the effects of epinephrine first begin to show ______ A. Within 30 seconds B. Within one minute C. Within 5 minutes D. Within 10 minutes --- correct answer ---B Which of the following is a recommendation set forth by the American heart Association in regard to the administration of local anesthesia? A. Inject the anesthetic as quickly as possible B. Administer no more than the maximum recommended dose of 0.5 MG of epinephrine per visit C. Administer the lowest possible effective dose D. Both B and C --- correct answer ---C Levonordefrin is a ______ vasoconstrictor and is ______ as potent as epinephrine A. Synthetic, one tenth B. Naturally produced, one half C. Naturally produced, one third D. Synthetic, one sixth --- correct answer ---D Levonordefrin is available with 2% mepivacaine. These cartridges of mepivacaine also contain sodium bisulfate to preserve levonordefrin --- correct answer ---Both statements are true Which of the following vasoconstrictors is no longer used in dentistry, due to the possibility of tissue necrosis? A. Levonordefrin B. Norepinephrine C. Felyoressin D. 300 mg total --- correct answer ---A Which of the following local anesthetics has the longest duration of action when administered successfully for an inferior alveolar nerve block? A. 2% lidocaine with 1:100,000 epinephrine B. 0.5% bupivacaine with 1:200,000 epinephrine C. 4% articaine with 1:100,000 epinephrine D. 2% mepivacaine with 1:20,000 levonordefrin --- correct answer ---B Articaine is: A. metabolized exclusively in the liver B. classified only as an ester anesthetic C. not recommended for use for inferior alveolar nerve blocks D. capable of producing profound vasoconstriction --- correct answer ---C Which of the following is the correct value for the approximate duration of 2% lidocaine with 1:100,000 epinephrine? A. 15 minutes (pulpal anesthesia) B. 30-60 minutes (soft tissue anesthesia) C. 120 minutes (pulpal anesthesia) D. 180 minutes (soft tissue anesthesia) --- correct answer ---D When performing a PDL injection: A. patients should be informed they may experience pain while chewing postoperatively B. there should not be significant back pressure while injecting C. the anesthetic solution accesses the nerves by diffusing down through the ligamental fibers D. local anesthetics with vasoconstrictors are absolutely contraindicated --- correct answer ---A Which of the following statements is true regarding supplemental anesthetic techniques? A. intraseptal injections reliably produce pulpal anesthesia B. the needle should be placed anterior to the target tooth during an intraosseous injection C. the cortical bone is perforated using a quarter-round bur and a high speed hand piece D. brief, intense pain is common for intrapulpal injections --- correct answer ---D When considering supplemental techniques for anesthetizing the maxilla, a prudent clinician must remember that: A. infiltration of the palate reliably produces pulpal anesthesia B. a successful V-2 block will provide profound anesthesia of the midface and posterior tongue C. the high tuberosity approach has an increased risk of positive aspiration D. the needle should be gently forced past bony obstructions when utilizing the greater palatine canal approach --- correct answer ---C Which of the following statements is true regarding mandibular supplemental anesthetic techniques? A. the target site for Gow-Gates injections is the lateral aspect of the condylar head B. the tip of the needle when performing an Akinosi injection is superior to an inferior alveolar nerve block C. the Gow-Gates technique is ideal for patients with limited opening D. If the anterior ramus is contacted during an Akinosi block, the needle should be repositioned laterally --- correct answer ---B Regarding local complications from administering local anesthetics: A. a 27 gauge needle is more likely to fracture or break than a 30 gauge needle B. any noted transient motor paralysis is cause for immediate medical care (911) C. trismus is relatively common and should be managed initially with palliative measures D. hematomas are more common in highly vascular areas and should be immediately drained --- correct answer ---C What is the appropriate management for a patient who complains of a persistent paresthesia following injection of local anesthesia? A. have your front office person reassure the patient and reappoint for follow up in one year B. immediately discuss and plan for surgical exploration of the nerve C. personally evaluate the degree and extent of the paresthesia T/F: A hypo-responder metabolizes local anesthetics faster than average. --- correct answer ---False Which area is most vascular when injecting local anesthesia? A. neck of condyle (Gow-Gates) B. greater palatine C. IANB D. nerve to mylohyoid --- correct answer ---C In most individuals, deliberate injection of lingual nerve is: A. always necessary B. rarely necessary C. dangerous, as you may impale the nerve D. only occurs with a Gow-Gates injection --- correct answer ---B The failure rate for traditional IANB is approximately: A. 5% B. 20% C. 50% D. 95% --- correct answer ---B The approximate rate of positive aspiration with the IANB is: A. 1-2% B. 10-15% C. 40-50% D. zero --- correct answer ---B T/F: Bilateral mandibular blocks is inherently unsafe. --- correct answer ---False Accessory innervation to mandibular molars is thought to be which nerve? A. lingual B. long buccal C. mylohyoid D. auriculotemporal --- correct answer ---C The Gow-Gates injection will anesthetize all of the following nerves EXCEPT one. Which one is the EXCEPTION? A. mylohyoid B. lingual C. long buccal D. auriculotemporal --- correct answer ---D The MRD of the anesthetic Bupivacaine is: A. 91 mg B. 300 mg C. 420 mg D. 500 mg --- correct answer ---A Methemoglobinemia is usually associated with which anesthetic? A. Bupivacaine B. Lidocaine C. Prilocaine D. Procaine --- correct answer ---C A patient with significant cardiovascular problems should receive _____ ug maximum during a dental appointment. A. 9 B. 17 C. 36 D. 40 --- correct answer ---D T/F: One of the purported advantages of plain Mepivacaine is that it is less vasodilating. --- correct answer ---True In a 1.7 mL cartridge of 1:50,000 epinephrine, how much epinephrine is present? A. 8.5 ug B. 17 ug C. 34 ug D. 40 ug --- correct answer ---C The maximum dose for epinephrine in a healthy patient is: A. 2.0 mg/lb B. 2.7 mg/lb C. 0.6 mg/lb D. 4.4 mg/lb --- correct answer ---C The chart actually says 0.9 mg/lb as the MRD for bupivacaine Which of the following diseases extends the half-life of LA's due to decreased liver perfusion? A. coronary artery disease B. hypothyroidism C. cirrhosis D. congestive heart failure --- correct answer ---D What is the ADA maximum recommended dose of Lidocaine with epinephrine? A. 400 mg B. 4.4 mg/kg C. 300 mg D. 500 mg --- correct answer ---C The answer key has "C" marked, but according to the table, the MRD for lidocaine with epinephrine = 500 mg and lidocaine w/out epinephrine = 300 mg. What is the ADA maximum recommended dose of plain Lidocaine? A. 4.4 mg/lb B. 300 mg C. 500 mg D. 400 mg --- correct answer ---B The 3 main types of injections are infiltration, nerve block, and... A. Gow-Gates B. IANB C. field block D. trigeminal V-2 block --- correct answer ---C The success rate of a PSA injection is approximately: A. 95% B. 50% C. 25% D. 1% --- correct answer ---A Which root of 1st maxillary molar is not consistently innervated by the PSA nerve? A. palatal B. distal buccal C. mesio buccal D. all roots are innervated by PSA 100% of the time --- correct answer ---C In which palatal injection do you enter the greater palatine canal? A. IANB B. Nasopalatine nerve block C. Lesser palatine nerve block D. Trigeminal V2 nerve (maxillary) block --- correct answer ---D Which injection provides palatal, buccal, and pulpal anesthesia to all maxillary teeth? A. Greater palatine nerve block B. ASA nerve block C. Trigeminal V2 block (maxillary) D. IANB --- correct answer ---C Accessory innervations to lingual side of mandibular molars is usually by the: A. long buccal nerve B. nerve to mylohyoid C. lesser palatine nerve D. inferior alveolar nerve --- correct answer ---B The lingual of the mandible is: A. in a constant position relative to occlusal plane B. in a variable position relative to occlusal plane C. anesthesia for the lower lip and entire buccal mucosa of the mandible D. neural blockade for the facial nerve that provides motor innervation to the tongue --- correct answer ---B When performing an inferior alveolar nerve block, the tip of the needle should: A. contact the medial aspect of the mandible B. pass through the masseter muscle C. rest against bone superior to the condyle D. penetrate through the tail of the parotid gland --- correct answer ---A The correct sequence when performing mandibular anesthetic injections is: A. if a positive aspiration occurs, remove the needle entirely, then reinsert and inject B. aspirate, inject 1/2 cartridge for the inferior alveolar nerve block, then advance the needle until bone is contacted C. administer 1/2 cartridge for the long buccal nerve block, then administer 1/4 cartridge for inferior alveolar and lingual nerve blocks D. after a negative aspiration, inject 1/2 cartridge for inferior alveolar and continue injecting 1/4 cartridge for lingual nerve block while removing the needle - -- correct answer ---D Inadequate anesthesia in the mandible can occur due to: A. overlapping innervation of the canines and premolars B. placement of the needle slightly above the lingula C. additional innervation by mylohyoid accessory nerves D. misalignment of the soft tissues when the patient opens maximally --- correct answer ---C When performing mandibular injection techniques, it is important to remember: A. the patient should be positioned with the occlusal plane of the mandibular teeth parallel to the floor B. the mental nerve provides pulpal sensory information for the premolars and molars C. a successful inferior alveolar nerve block should result in numbness of the lower lip only at the commissure D. the tip of the needle should never contact bone --- correct answer ---A Amide local anesthetics are metabolized in which one of the following pathways? -- - correct answer ---In the liver Describe the "all-or-nothing" traveling action potential in a neuron. --- correct answer ---Stimuli travels in one direction toward the synapse What does "half-life" mean? --- correct answer ---The rate at which 50% of a local anesthetic is removed from the blood Which local anesthetic is preferred for a significant cardiovascular patient with significant liver damage? --- correct answer ---4% Prilocaine w/ epi 1:200,000 Which local anesthetic would be the best to provide for surgical palatal hemostasis? --- correct answer ---2% Lidocaine w/epi 1:50,000 Name the preservative in epinephrine in a local anesthetic? --- correct answer --- Sodium Bisulfite (sodium metabisulfite) What is the significance between the onset of action and the pKa of a local anesthetic? --- correct answer ---Lower pKa= shorter onset of action Higher pKa= longer onset of action What is the amount of time of pulpal anesthesia given in 4% Articaine with1:200,000 epi? --- correct answer ---45-60 min Describe the absorption properties of topical anesthetics. Do they absorb in all tissues at the same rate? What is the difference of % between topicals and injectable LA's? --- correct answer ----The absorb at different rates -Topicals have higher percentage Know the 'time limitations of duration' in Short, Intermediate and Long anesthetics. --- correct answer ----Short: 30 min (Mepivacaine) -Intermediate: 60 min (Lido.. anything with epi) -Long: 90 min (Bupivacaine) Know the thyroid condition that would contraindicate the use of amide anesthetics. --- correct answer ---Hyperthyroidism Where is the excretion location of local anesthetics? --- correct answer ---Kidneys Needle breaks most commonly occur at --- correct answer ---the hub Which LA is associated with Levonordefrin? --- correct answer ---2% Mepivacaine Know the skin signs of a person with Methemoglobinemia. --- correct answer ---- Blue skin Which of the following is not a special consideration when administering anesthetic drugs to obese children? --- correct answer ---Obesity may require administration of greater volumes of anesthetic for effectiveness What are 3 divisions of the dental plexus? --- correct answer ---interdental, interradicular, and dental The recommended rate of deposition of the anesthetic solution should be: --- correct answer ---1 cartridge per minute Allergies to topical anesthetic drugs that manifest in mucosal signs and symptoms hours or days after application --- correct answer ---: are considered delayed hypersensitivity reactions; however the drug type should be avoided in the future Which statement best describes pain as a protective response --- correct answer --- Pain is a rapid,reflective, subconscious reaction Which of these groups of variables does not affect the experience of pain --- correct answer ---Body weight height Which of the following statements regarding nonciception is true? --- correct answer ---Nociception is polymodal Which one of the following is an example of neuropathic pain? --- correct answer --- trigeminal neuralgia Which one of the following will help patients cope with anxiety and fear? --- correct answer ---Prepare, rehearse, empower, and praise patient to reduce anxiety and fear In the process of debriefing, which one of the following is not useful when managing fearful patients? --- correct answer ---Clinicians select strategies for the patient for his or her next appointment Which of the following statements most accurately describes the major differences between sensory and motor neurons? --- correct answer ---All of the above Which of the following sequences best describes the event and a successful impulse generation? --- correct answer ---Stimulation, slow depolarization, firing threshold, rapid depolarization, recovery How are Schwan cells and nodes of Ranvier related? --- correct answer ---Gaps between the Schwan cells are called nodes of Ranvier Which fiber types are responsible for providing sensory information from dental and periodontal tissue? --- correct answer ---A delta and C fibers What are three divisions of the dental plexus? --- correct answer ---Interdental, interradicular and dental Elimination half-life refers to one of the following? --- correct answer ---The time it takes for half of the Drug to be out of the circulation Esther local anesthetics are metabolized in which one of the following pathways? -- - correct answer ---In the blood CNS toxicity occurs because of --- correct answer ---The expected response of neurons in the CNS to the drug dose CVS Toxicity occurs because of --- correct answer ---Decreased myocardial contractility, vasodilation, and hypotension Which portion of the anesthetic molecule is responsible for binding to the receptor site inside the membrane, thereby preventing depolarization --- correct answer --- Anesthetic cation Which part of a local anesthetic molecule determines the classification of the drug as an Ester or amide --- correct answer ---intermediate chain Which of the following is not a systemic reaction to an overdose of a local anesthetic agent? --- correct answer ---CNS stimulation The definition of the maximum recommended dose of a drug fits best which one of the following definition --- correct answer ---A safe guideline when administering local anesthetic drugs Which one of the following best describes articaine's metabolism --- correct answer ---Articaine is metabolized primary via plasma cholinesterase You are treating a patient with significant cardio vascular compromise who suffers from significant liver damage. Which one of the following drugs would be most appropriate for this patient when you were anesthetizing the maxillary right quadrant? --- correct answer ---4% articaine, 1:200,000 epinephrine A periodontist requires hemostasis on palatal tissues in the maxillary left quadrant before elevating a surgical flap. Which one of the following drugs would furnish the most vigorous hemostasis? --- correct answer ---2% lidocaine 1:50,000 epinephrine Which characteristic of local anesthetic drugs determines how well it works without a vasoconstrictor? --- correct answer ---Vasoactivity If a patient is taking a tricyclics antidepressant and a beta- blocker, which one of the following drugs would be most appropriate to administer? --- correct answer --- 3% mepivacaine Methemoglobinemia is a life threatening condition that may be precipitated by which one of the following drugs? --- correct answer ---Prilocaine Arrange The injectable local anesthetic drugs in the descending order of overall CNS to CVS Toxicity? --- correct answer ---Bupivacaine, mepivacaine, lidocaine, articainne, prilocaine Which one of the following vasoconstrictors is most useful in providing homeostasis --- correct answer ---Epinephrine A patient has significant cardiovascular disease and requires a restorative procedure on tooth #5. Retraction cord and hemostasis Are needed in order to keep the restorative site dry. Which one of the following drugs would be most indicated in this situation? --- correct answer ---4% articaine, 1: 200,000 epinephrine Which one of the following statements is true? --- correct answer ---Cardiac stimulation from levonordefrin is less compared with epinephrine Which one of the following is correct when addressing OSHAS requirements for medical device safety in dentistry? --- correct answer ---Uncontaminated needles may be bent In comparing a 25-gauge needle with a 30-gauge needle, the 25-gauge needle: --- correct answer ---1,5 (Has better aspiration and can be used in highly vascular areas) Long needles are approximately Long --- correct answer ---32-36mm When I stopped is extruded, what has likely caused the problem? --- correct answer ---Freezing occurred during shipping or handling During an infiltration injection you give the patient three stopper with of local anesthetic. How much solution have you injected into the patient.? --- correct answer ---0.6ml What substance is used as the preservative for epinephrine and local anesthetic cartridges? --- correct answer ---Sodium bisulfite The delivery of local anesthesia requires both medical and technical skills. Which one of the following is not one of the six elements of the ASA a medical components of care associated with the regional anesthesia? --- correct answer --- Comprehensive to charting The ASA physical status classification system categorizes patients based on their overall health classification P3 describes which one of the following? --- correct answer ---Severe systemic disease Which of the following is not considered a main two for patient assessment when planning for local anesthesia? --- correct answer ---Drug MRD's Which one of the following drugs is an absolute contract Acacian for patients with poorly controlled or uncontrolled hyperthyroidism? --- correct answer --- Epinephrine Your patient has identified or you suspect that your patient has used meth and feta means approximately 20 hours ago.which of the following would be the most appropriate action when considering the use of local anesthetic? --- correct answer ---Consider postponing care for a full 24 hours For which one of the following medical conditions is an unnecessary to obtain medical consultation from the patient's physician before dental treatment? --- correct answer ---Myocardial infarction within three weeks A technique that Deposit anesthetic solution new larger terminal nerve branches for treatment near the site of an injection is called --- correct answer ---A field block Which one of the following describes them target site for local anesthetic solutions? --- correct answer ---Deposition site The first step in the administration of local anesthetic solution is to? --- correct answer ---Assess the patient before proceeding A primary benefit of orienting Needle bevels toward bone during interaction is that it --- correct answer ---Reduces trauma to the periosteum when bone is contacted Which one of the following is the most appropriate local anesthesia patient record entry? --- correct answer ---Review How is the love pressure 120/80 cartridges 2% lidocaine,0.036mg 1:100,000 Eli IA, LB When is it safe to deposit local anesthetic solution? --- correct answer ---After negative aspiration were no blood is drawn into the cartridge after negative aspiration following a positive aspiration or bladder was visible from the cartridge or worm like thread. The most important safety is that doing a local anesthetic injection is? --- correct answer ---To aspirate before depositing and to administer Depositing and to administer drugs slowly Upon completion of an injection, the most important subsequent steps is to --- correct answer ---Make the needle safe with a one-handed technique Which one of the following statements best describes the new pathway for the infiltration injection technique? --- correct answer ---The needle is parallel to the long axis of the tooth, present to them because of tissue in superficial fascia containing loose connective tissue, and past small vessels and micro vascular ire, and nerve endings. When infiltration injections are unsuccessful it may be helpful to: --- correct answer ---Visualize, palpate, check radiographs, and reassess the technique The middle superior of Euler nerve is absent in approximately 20 to 50% of individuals? --- correct answer ---False In the typical adult patient the infraorbital Forman is approximately 8 to 10 mm below the info over the ridge? --- correct answer ---True Which one of the following provides the most accurate description of the field of anesthesia in the PSA injection? --- correct answer ---Hopes of the maxillary molars, except sometimes the museum buckle root of the first molar, and their facial gingiva, periodontal ligament, and Alveolar bone of the injected side Which one of the following is most likely to increase the risk of a hematoma following a psa nerve block? --- correct answer ---The needle is inserted your jeep or to posterior to the deposition site on the posterior surface of the Maxilla Which one of the following statements best describes the deposition site for the nasopalatine nerve block? --- correct answer ---The deposition site is near the wall of the incisive canal. The most common causes of failure for Palatal injection technique is? --- correct answer ---Both a Nd d ( solution deposited to far and inadequate volumes of solutions deposited)