Dental Anesthesia Test 0% 0 votes, 0 avg 0 You will have 60 minutes to complete all the questions. After the timer reaches 60 minutes, the exam will end and be saved automatically. Good luck! *Fingers crossed* The timer has been reached. The exam has now been terminated and saved. Dental Anesthesia Test 1 / 60 Neurotoxicity following local anesthesia: lower extremity paresis– predisposing conditions may include advanced age and peripheral vascular disease a. transient radicular irritation b. anterior spinal artery syndrome c. cauda equina syndrome and anterior spinal artery syndrome d. cauda equina syndrome 2 / 60 Disto buccal root of upper 1st molar is supplied by:? a. Middle superior alveolar nerve b. mental nerve c. infra orbital nerve d. buccal nerve e. Posterior superior alveolar nerve 3 / 60 Which one of the following groups is responsible for the potency and the toxicity of local anesthetic? a. Intermediate chain b. Lipophylic group c. Inonizable group d. Non Ionize group 4 / 60 If the Lidocaine 2% with Epinephrine 1:100,00 was used. Which one of the following is selected for the maximum dose recommendation? a. 7.0 mg/kg b. 6.6 mg/kg c. 2.0 mg/kg d. 8.0 mg/kg 5 / 60 A healthy patient weighing 155 lbs has been given 2 cartridges of 2% lidocaine with epinephrine 1:100,000. How many MORE cartridges of 3% arestocaine can they have? a. 4.2 b. 4.0 c. 4.6 d. 4.4 6 / 60 During an inferior alveolar nerve block the needle ideally passes? a. Posterior and medial to medial pterygoid. b. through medial pterygoid c. Inferior to medial pterygoid. d. anterior and lateral to medial pterygoid 7 / 60 Indicate the local anesthetic, which is a toluidine derivative:? a. Procaine b. Bupivacaine c. Prilocaine d. Lindocaine 8 / 60 Which of the following drugs can cause methemoglonemia? a. Lidocaine b. Bupivacaine c. Procaine d. Prilocaine e. Cocaine 9 / 60 If Articaine 4% with epinephrine 1:100,000 or 1:200,000 was used with patient 80kg. Which one of the following option was selected? a. 650 mg/kg b. 560 mg/kg c. 350 mg/kg d. 490 mg/kg 10 / 60 Which one is the ester type of local anesthetic a. Bupivacaine(or Marcaine) b. Procaine c. Prilocaine ( or citanest) d. Mepivacaine( or carbocaine) 11 / 60 Correct statements concerning cocaine include all of the following EXCEPT:? a. Limited use because of abuse potential b. Myocardial depression and peripheral vasodilation c. Cocaine is often used for nose and throat procedures d. Causes sympathetically mediated tachycardia and vasoconstriction 12 / 60 what are the local anesthetic produce for:? a. analgesia, amnesia, loss of consciousness b. alleviation of anxiety and pain with an altered level of consciousness c. blocking pain sensation without loss of consciousness d. a stupor or somnolent state 13 / 60 The technique can be used to anesthetize the palatal soft tissue of the teeth posterior to maxillary canine and corresponding alveolus and hard palate is called a. PSA nerve block b. Greater palatine nerve block c. Infraorbital nerve block d. Naso palatine nerve block 14 / 60 The duration of action of local anesthetics agents are divided in short, intermediate and long. Which one of the following is classified as the short one? a. Lidocaine HCL 2% b. Articaine HCL 4% c. Prilocaine HCL 4% d. Bupivacaine HCL 0.5% 15 / 60 The technique used to anesthetizes the maxillary 1st and 2nd premolars, canine, lateral incisor, central incisor, corresponding alveolar bone, and buccal gingiva is called a. PSA nerve block b. MAS nerve block c. ASA nerve block d. Infraorbital nerve block 16 / 60 Afferent or sensory nerves conduct impulses to the a. Periphery of the body b. Motor nerves of muscles c. Pain stimulus d. CNS. 17 / 60 Which of the following local anesthetics is used for infiltrative and regional anesthesia related to amide type? a. Tetracaine b. Lidocaine c. Procaine d. Cocaine 18 / 60 The technique insertion of mucobuccal fold between apex of 2nd and 3rd molars at 45 degree is called a. Infraorbital nerve block b. PSA, nerve block c. MSA, nerve block d. ASA, nerve block 19 / 60 Which of 2 nerves blocked when injection is given in pterygo mandibular space? a. Buccal nerve & infra orbital nerve b. Lingual & inferior alveolar nerve c. inferior alveolar & posterior superior alveolar nerve d. Buccal & lingual nerve e. Buccal & inferior alveolar nerve 20 / 60 The technique palpate from extra orally and place thum or index finger on region with retract the upper lip and buccal mucosa and the area of injection is at the mucobuccal fold of the 1st premolar and canine area is called a. Field block b. Middle superior alveolar nerve block c. PSA nerve block d. Infraorbital nerve block 21 / 60 A vasoconstrictor does not 😕 a. Hence the chance of toxicity b. Decrease the blood level c. Reduce a local anesthetic uptake by the nerve d. Retard the removal of drug from the injection site 22 / 60 All of the following are acceptable ways of recapping a needle EXCEPT? a. Securing cap with fingers on vertical syringe b. Carefully direction the cap over needle with fingers c. Utilizing “Card” or other holding device d. Performing the one handed scoop technique e. Implementing cotton roll pliers or a hemostat 23 / 60 One of the many proprietary names for lidocaine is what? a. 35%Polocaine b. Xylocaine HCL c. Candicaine HCL d. Mepivacaine e. Sandonest HCL 24 / 60 Which techniques do not work in the adult mandible due to dense cortical bone the below technique is a. Mental nerve block b. Infiltration injection technique c. Nerve block d. Field block 25 / 60 Which one of the following of the maximum dose recommended for normal healthy individual patient per kilogram is.? a. 8.0 mg/kg b. 7.0 mg/kg c. 6.6 mg/kg d. 6 mg/kg 26 / 60 Agents added to local anesthetics that prolonged local anesthetic duration of action? a. Epinephrine, phenylephrine (Neo-Synephrine) and dextran b. dextran c. phenylephrine (Neo-Synephrine) d. Epinephrine 27 / 60 Which of the following drugs can cause methemoglobinnemia when used in larger doses for regional anesthesia? a. Lidocaine b. Prilocaine c. Cocaine d. Procaine e. Bupivacaine 28 / 60 Typically a zone of differential sympathetic nervous system blockade? a. spinal b. epidural c. epidural and spinal 29 / 60 Allergic reactions to local anesthetics:? a. high-risk with ester-type agents which are metabolized to p-aminobenzoic acid-related compounds and intradermal testing for possible allergy to local anesthetics should use preservative-free drug b. intradermal testing for possible allergy to local anesthetics should use preservative-free drug c. cross-sensitivity between esters and amide-type local anesthetics are common d. common > 10% of adverse reactions due to allergic mechanisms e. high-risk with ester-type agents which are metabolized to p-aminobenzoic acid-related compounds 30 / 60 Which one is the Amide anesthetics type a. Movocaine b. Cocaine c. Procaine d. Lidocaine 31 / 60 The major factor influencing the ability to aspirate is what? a. Site of injection b. Gauge of the needle c. Harpoon being sterile d. Size of clinician hand’S e. Size of thumb ring 32 / 60 A successful infraorbital nerve block will produce anaesthesia of the? a. maxillary anterior teeth, their labial gingivae, the upper lip and anterior hard palate b. maxillary anterior teeth and their labial gingivae. c. maxillary anterior teeth, their labial gingivae and the upper lip d. maxillary anterior teeth. 33 / 60 vasoconstrictor in local anesthetic(LA) solution is used to ? a. Increases toxic effects of LA b. Decreases depth & duration LA. c. Reduces toxic effects of LA d. Increases bleeding. 34 / 60 A good local anesthetic agent shouldn’t cause:? a. Vasodilation b. systemic toxicity c. Local irritation and tissue damage d. Fast onset and long duration of action 35 / 60 Gow- Gate nerve block The trigeminal nerve is predominantly sensory, and motor nerve, who supplied for the three large trunks, originate from the ganglion. Which of the following nerves is supply related only sensory? a. the infra-orbital nerve b. the lingual nerve c. the maxillary nerves d. the mandibular nerve 36 / 60 Epinephrine added to a solution of lidocaine for local anesthesia will:? a. Cause cyanosis locally. b. Increase the risk of convulsion. c. Increase the absorption of lidocaine d. Increase the duration of local anesthesia e. Decrease the heart rate when absorbed. 37 / 60 Related to the maximum dose recommended when used Lidocaine 2% with Epinephrine 1:50,000. Which one of the following is selected for ASA? a. ASA 4 b. ASA 2 c. ASA 3 d. ASA 1 38 / 60 Agents not recommended for Bier block: a. mepivacaine (Carbocaine) b. chloroprocaine (Nesacaine), mepivacaine (Carbocaine), and bupivacaine (Marcaine) c. chloroprocaine (Nesacaine d. bupivacaine (Marcaine) 39 / 60 In local anesthetic dissociation, tissues with a low pH would have effect on base(RN) and cation(RNH+) in the solution? a. Decrease potency of local anesthetic b. Rapid onset of local anesthetic c. Increase duration of local anesthetic d. A lower portion of RNH+ and a higher portion of RN e. A lower portion of RN and higher portion of RNH+ 40 / 60 All of the following are ways of caring for a syringe EXCEPT one. Which one is the EXCEPTION? a. clean with an ultrasonic instrument b. Sharpen or replace harpoon as needed c. Place in an ultrasonic bath d. Rinse syringe of saliva and foreign matter e. dismantle and lubricate every 5 uses 41 / 60 Advantage(s) of 5% lidocaine (Xylocaine)-prilocaine (Citanest) cream (eutectic mixture) is? a. higher melting point of combined drug than either lidocaine (Xylocaine) or prilocaine (Citanest) alone b. no local irritation, even absorption and no systemic toxicity c. no systemic toxicity d. no local irritation e. even absorption 42 / 60 Stacey, a 18 year old soccer player, arrives for extraction of teeth #4,12, and 20, and she is given 5 cartridges of 4% Articaine with epi 1:100,000.Her mother calls 3 hours following the appointment stating that Stacey appears cyanotic and sluggish. Her nail beds look dark and the blood in the extraction sites is chocolate brown. What is MOST likely the condition presented? a. Methemoglobinemia b. A typical plasma cholinesterase c. Local anesthetic overdose d. Local anesthetic allergy e. Malignant hyperthermia 43 / 60 Indicate the local anesthetic, which is more lipid-soluble:? a. Lidocaine b. Bupivacaine c. Procaine d. Mepivacaine 44 / 60 Factor(s) which determine extent of systemic local anesthetic absorption: a. whether or not epinephrine was used to provide local vasoconstriction b. initial dose c. All are not correct d. intrinsic drug properties e. injection site vascularity 45 / 60 The first ever peripheral nerve block is performed by a. William Salk b. Alfred Einhorn c. William Halsted d. Nils Lofgren 46 / 60 Vasoconstrictors are less effective in prolonging anesthetic properties of 😕 a. Bupivacaine b. Mepivacaine c. Procaine d. Lidocaine 47 / 60 As with all local anesthetics, the dose varies depending on the area to be anesthetized, the vascularity of tissues, individual tolerance, and the techniques of anesthesia. Which type of the following patient should be decreased the dose for them? a. adult patient b. debilitate or elderly patient c. children patient d. young patient 48 / 60 Factor(s) that reduce lidocaine (Xylocaine) seizure threshold.? a. Hyperkalemia b. Hypoxemia, Hyperkalemia and Acidosis c. Acidosis d. Hypoxemia 49 / 60 Local anesthetic lipophilicity and effectiveness of epinephrine on local anesthesia: a. more lipophilic anesthetics benefit most by epinephrine in addition to local anesthetic solutions b. more lipophilic anesthetics benef ileast by epinephrine in addition to local anesthetic solutions® 50 / 60 which one of the following local anesthetics is an ester of benzoic acid:? a. Procaine b. Ropivacaine c. Lidocaine d. Cocaine 51 / 60 The technique of insertion at mucobuccal fold in the area of lateral incisor and canine on maxillary is called a. MSA nerve block technique b. ASA nerve block technique c. PSA nerve block technique d. Greater palatine nerve block technique 52 / 60 Which of the following local anesthetics is more cardiotoxic? a. Bupivacaine b. Lidocaine c. Procaine d. Mepivacaine 53 / 60 Which one of the following statements about the metabolism of local anesthetics is incorrect? a. Ester group of anesthetics like Procaine, are metabolized systemically by pseudocholinesterae b. Metabolism occurs in the plasma or liver but not at the site of administration c. Amides such as Lignocaine, are metabolized in the liver by microsomal mixed function oxidases d. Metabolism of local anesthetics occurs at the site of administration 54 / 60 Which of the following nerves are entering the sphenopalatine ganglion? a. The greater palatine nerve, and the middle superior alveolar nerve b. The greater palatine nerve, and the anterior superior alveolar nerve c. The greater palatine nerve, and the posterior superior alveolar nerve d. The greater, the nasopalatine nerve and posterior nasal nerve twigs. 55 / 60 A patient attends for an extraction of a lower molar tooth. Following the administration of an inferior alveolar nerve block only, the patient complains of pain during the procedure.Which one of the following nerves is the most likely to be responsible for the perception of this pain? a. Marginal mandibular b. Incisive nerve c. Facial nerve d. Long buccal nerve e. Mental nerve 56 / 60 Clinical presentations suggestive of local anesthetic allergies: a. laryngeal edema b. All are correct c. bronchospasm d. urticarial and possibly hypotension e. Rash 57 / 60 The area used to anesthetized the maxillary premolars, corresponding alveolus, and buccal gingival tissue is called a. ASA nerve block b. Naso palatine nerve block c. PSA nerve block d. MSA nerve block 58 / 60 Reducing agent local anesthetics solution is ? a. Methyl paraben b. Adrenaline c. Ringer lactate d. Thymol e. Sodium metabisulphite 59 / 60 If the two percent of Lidocaine 2% with Epinephrine 1:100,000 were used for patient 60kg. Which one of the following was selected for the 60kg patient? a. 500 mg/kg b. 350 mg/kg c. 490 mg/kg d. 420 mg/kg 60 / 60 The area of injection mucobuccal fold between the mandible premolars is called a. IAN Block b. Mental Nerve Block c. Long buccal Nerve block Your score isThe average score is 0% Facebook 0% Restart quiz Any comments? Send feedback