Dental anesthesia (2)
61. Which layer is considered as anatomical barrier to the diffusion of local anesthetic substances
σ¾ Endoneurium
σ½ Epineurium
σ½ Fasciculi
σ½ Perineurium
62. Afferent or sensory nerves conduct impulses to the
σ¾ CNS.
σ½ Periphery of the body
σ½ Motor nerves of muscles
σ½ Pain stimulus
63. Efferent or motor neurons conduct messages from:
σ½ The periphery of the body to the CNS.
σ½ The pain stimulus to the periphery.
σ¾ The CNS to the periphery
σ½ The cell body to the CNS.
64. The most widely help theory on nerve transmission attributes conduction of the nerve impulse to changes in the
σ½ Axoplasm.
σ¾ Axolemma
σ½ Cell body.
σ½ CNS
65. For a local anesthetic to be clinically useful is
σ¾ It should be compatible with the tissues
σ½ It’s action should be temporary
σ½ It’s action should be completely reversible
σ½ All to the above.
66. Which one is the Amide anesthetics type
σ¾ Lidocaine
σ½ Cocaine
σ½ Movocaine
σ½ Procaine
67. Which one is the ester type of local anesthetic
σ½ Mepivacaine( or carbocaine
σ½ Prilocaine ( or citanest)
σ¾ Procaine
σ½ Bupivacaine(or Marcaine)
68. Which one are the three major types of local anesthesia can be performed in the maxillary for pain control?
σ¾ Infiltration, field block, and nerve block
σ½ Nerve block, field block, and topical
σ½ Field block, infiltration , and intraseptal
σ½ Field block, infraorbital , intraosseus
69. How many major types of Local Anesthesia can be performed in the maxillary for pain control?
σ¾ Three major types
σ½ Two major types
σ½ One major type
σ½ Four major types
70. The injection that able to perform in maxilla with thin cortical nature of bone, to tissue immediately surgical site is called.
σ½ Nerve block
σ½ Field block
σ¾ Infiltration
σ½ Inferior alveolar nerve block
71. Which one is NOT include in the type of infiltration technique?
σ½ Supraperiosteal injections
σ½ Intraseptal injections
σ½ Periodontal ligament injections
σ¾ Infraorbital injection
72. Local Anesthetic deposited near a larger terminal branch of a nerve is called
σ½ Nerve Block
σ½ Infiltration
σ¾ Field block
σ½ Periapical injection
73. Local anesthetic deposited near the main nerve trunk and is usually distant form the operative site is called
σ½ Field block
σ½ Infiltration
σ¾ Nerve block
σ½ Periapical injection
74. Which one are called local anesthesia nerve block?
σ¾ PSA , MSA, ASA
σ½ Periodontal ligament injection
σ½ Intraseptal injections
σ½ Supraperiosteal injection
75. Which one is the best answer for nerve block of local anesthesia in the maxillary nerve block?
σ¾ PSA, MSA,ASA, Infraorbital , Greater palatine , and Naso palatine nerve
σ½ Supraperiosteal injection, infraseptal injection and periodontal ligament injection
σ½ PSA,MSA,ASA, Mental Nerve, Inferior Alveolar Nerve Block and lingual nerve block
σ½ PSA,MSA,ASA, Greater Palatine and Lingual Nerve block
76. The area used to anesthetized the pulp tissue corresponding alveolar bone and buccal gingival tissue to maxillary 1st, 2nd, 3rd is called
σ¾ PAS, nerve block
σ½ MSA nerve block
σ½ ASA nerve block
σ½ Greater palatine nerve block
77. The technique insertion of mucobuccal fold between apex of 2nd and 3rd molars at 45 degree is called
σ¾ PSA, nerve block
σ½ MSA, nerve block
σ½ ASA, nerve block
σ½ Infraorbital nerve block
78. The area used to anesthetized the maxillary premolars, corresponding alveolus, and buccal gingival tissue is called
σ¾ MSA nerve block
σ½ PSA nerve block
σ½ ASA nerve block
σ½ Naso palatine nerve block
79. The technique of insertion at mucobuccal fold in the area of 1st and 2nd premolars is called
σ½ PSA nerve block
σ¾ MSA nerve block
σ½ ASA nerve block
σ½ Infraorbital nerve block
80. The technique used to anesthetized the maxillary canine, lateral incisor, and central incisors and buccal gingival is called
σ½ PSA nerve block
σ½ MSA nerve block
σ¾ ASA nerve block
σ½ Greater palatine nerve block
The technique of insertion at mucobuccal fold in the area of lateral incisor and canine on maxillary is called
σ¾ ASA nerve block technique
σ½ PSA nerve block technique
σ½ MSA nerve block technique
σ½ Greater palatine nerve block technique
82. The technique used to anesthetizes the maxillary 1st and 2nd premolars, canine, lateral incisor, central incisor, corresponding alveolar bone, and buccal gingiva is called
σ¾ Infraorbital nerve block
σ½ PSA nerve block
σ½ MAS nerve block
σ½ ASA nerve block
83. The nerve that combines MSA and ASA block is called
σ¾ Infraorbital nerve block
σ½ Greater palatine nerve block
σ½ Naso palatine nerve block
σ½ Posterior superior alveolar nerve block
When given nerve block , will also cause anesthetized to the lower eyelid, lateral aspect of nasal skin tissue, and skin of infraorbital region is called
σ¾ Infraorbital nerve block
σ½ Posterior superior alveolar nerve block
σ½ Middle superior alveolar nerve block
σ½ Anterior superior alveolar nerve block
85. 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
σ¾ Infraorbital nerve block
σ½ Field block
σ½ PSA nerve block
σ½ Middle superior alveolar nerve block
86. 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
σ¾ Greater palatine nerve block
σ½ Naso palatine nerve block
σ½ PSA nerve block
σ½ Infraorbital nerve block
The area of insertion needle of local anesthesia is about 1cm medial from 1st and 2nd maxillary molar on the hard palate foramen is called
σ¾ Greater Palatine nerve block
σ½ PSA nerve block
σ½ MSA nerve block
σ½ ASA nerve block
88. The technique can be used to anesthetize the soft and hard tissue of the maxillary anterior palate from canine to canine is called
σ½ Greater palatine nerve block
σ¾ Naso palatine nerve block
σ½ Infraorbital nerve block
σ½ Posterior superior alveolar nerve block
The area of insertion needle is at the incisive papilla into incisive foramen and inject 0.3cc to 0.5cc of local anesthetic is called
σ¾ Naso-palatine nerve block
σ½ Greater palatine nerve block
σ½ Infraorbital nerve block
σ½ Posterior superior alveolar nerve block
Which techniques do not work in the adult mandible due to dense cortical bone the below technique is
σ¾ Infiltration injection technique
σ½ Field block
σ½ Nerve block
σ½ Mental nerve block
The area of insertion needle is at the mucous membrane of the medial border of the mandibular ramus at the intersection of a horizontal line and vertical line is called
σ½ Long buccal nerve block
σ¾ IAN block, lingual nerve block
σ½ Lingual nerve block only
σ½ Akinosi or close mouth nerve block
92. Which one are the following technique used only on the mandibular nerve Block , please choice the best answer
σ¾ IAN, Akinosi, Gow-Gates, Mental nerve Block
σ½ IAN, Akinosi, PSA, MSA, ASA, Greater palatine nerve block
σ½ IAN, Long buccal nerve Block, infraorbital nerve block
σ½ IAN, Lingual nerve Block , Gow-Gate nerve Block
93. Inferior alveolar nerve block (IAN) mouth must be open for this technique, best to utilize mouth drop, the depth of injection is about
σ¾ 25 mm to 27mm
σ½ 27mm to 29mm
σ½ 29mm to 30 mm
σ½ 30 mm to 33 mm
The technique that the mouth must be open widely during injection and the area of injection from contralateral premolar region is called
σ¾ IAN block
σ½ Akinosi Nerve Block
σ½ Gow-Gate nerve Block
σ½ Mental Nerve Block
95. The technique that use the non-dominant hand to retract the buccal soft tissue at the area of coronoid notch of mandible , and index finger on posterior border of extra oral mandible is called
σ¾ IAN nerve block
σ½ Gow-Gate Nerve block
σ½ Akinosi Nerve Block
σ½ Mental Nerve Block
The technique of about 1.0 cc of local Anesthetic and continues to inject about 0.5 cc on removal from injection site to anesthetize the lingual branch, inject remaining anesthetic in to corrode notch region of mandible in the mucous membrance distal and buccal to most distal molar to perform a long buccal nerve block is called
σ¾ IAN, Long buccal, Lingual nerve block
σ½ IAN, Long buccal nerve Block
σ½ IAN,Long Buccal nerve block only
σ½ IAN, Mental nerve Block and Lingual nerve Block
The technique Provides same area of anesthesia as the Inferior alveolar nerve block and useful for injected patients with trismus, fractured mandible are needs to be used
σ¾ Akinosi nerve Block(R)
σ½ IAN Block
σ½ Long Buccal nerve Block
σ½ Lingual nerve Block
Which technique is useful for infected patients with trismus, fractured mandibles, and mentally handicapped individuals
σ½ IAN Block
σ¾ Akinosi Nerve Block(R)
σ½ Mental nerve Block
σ½ Lomng Buccal Nerve Block
99. The technique Provides sensory input for the lower lip skin, mucous membrane, pulpal and alveolar tissue for the premolar, canine and incisors on the side blocked is called
σ¾ Mental Nerve Block
σ½ IAN Block
σ½ Gow-Gate Nerve Block
σ½ Akinosi Nerve block
100. The area of injection mucobuccal fold between the mandible premolars is called
σ¾ Mental Nerve Block
σ½ IAN Block
σ½ Long buccal Nerve block
101. 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?
σ¾ the maxillary nerves
σ½ the mandibular nerve
σ½ the lingual nerve
σ½ the infra-orbital nerve
102. The trigeminal nerve is the sensory fibres form the semilunar ganglion (the Gasserian ganglion). Where does these ganglion or Gasserian lie in the bottom of the following?
σ¾ the middle cranial fossa
σ½ the posterior cranial fossa
σ½ the anterior cranial fossa
σ½ the roof of the cranial fossa
103. The maxillary nerve exclusively sensory, passes through the foramen rotundum to reach the pterygopalatine fossa, where it off a number of branches.How many branches will theses nerves passes through the sphenopalatine ganglion?
σ¾ two branches
σ½ three branches
σ½ four branches
σ½ five branches
σ½ There two branches of maxillary nerve, which enter the sphenopalatine ganglion.
104. Which of the following nerves are entering the sphenopalatine ganglion?
σ¾ The greater, the nasopalatine nerve and posterior nasal nerve twigs.
σ½ The greater palatine nerve, and the posterior superior alveolar nerve
σ½ The greater palatine nerve, and the middle superior alveolar nerve
σ½ The greater palatine nerve, and the anterior superior alveolar nerve
105. The infraorbital nerve are supply for the front teeth both side left and right of the maxillary , especially for anterior superior alveolar nerve twigs and leave the trunk just before it exit of the infraorbital foramen and outside the foramen twigs to the skin between the nostril and eye.Which area is used for injection local anesthesia for these teeth?
σ¾ at the apex between the canine and first premolar
σ½ at the apex between the second premolar and first molar
σ½ at the apex between the second and third molar
σ½ at the apex between the first and second molar
106. Nerve impulse travel in myelinated nerves by a process called what?
σ½ Domino effect
σ¾ Salutatory conduction
σ½ Relative refractory
σ½ Nodes of Ranvier
107. Which portion of the nerve do local anesthetics work on?
 Neuron
σ½ Dendrites
σ¾ Nerve membrane
σ½ Myelinated sheath
σ½ Schawann cellS
108. What is one important way that local anesthetic drugs differ from all other drugs used in dentistry?
σ½ High potential of overdose
σ½ Route of administration
σ½ Rate of uptake into bloodstream
σ¾ Action ceased when absorbed into bloodstream
σ½ Blood levels must be sufficient to exert effect
109. When procaine undergoes metabolic breakdown, the major metabolic product (metabolite) is what?
σ½ Pseudocholinesterase
σ½ chloroprocaine
σ½ Succinylcholine
σ¾ Para-aminobenzoic acid
110. Biotransformation of amides take place where?
σ¾ liver
σ½ kidney
σ½ blood plasma
σ½ spleen
σ½ bloodstream
111. The concentration of epinephrine that is optimal for hemostasis is what?
σ½ 1:5000
σ¾ 1:50,000
σ½ 1:150,000
σ½ 1:100,000
σ½ 1:200,000
112. All of the following are reasons to include a vasoconstrictor, ECEPT one.Which one is the EXCEPTION?
σ½ lower blood flow to injection site
σ¾ increase anesthetic blood levels
σ½ increase duration of local anesthetic
σ½ lower anesthetic toxicity
σ½ improve field of vision for treatment
113. When it is necessary to administer more than one anesthetic drug, a safe total should be determined by not exceeding what?
σ¾ the lower of the two maximum doses for the individual agents
σ½ the maximum dose of each drug being administered
σ½ 25% of the maximum dose of each drug being administered
σ½ 35% of the maximum dose of each drug being administered
σ½ Dental work being done in many more than on quadrant
114. One of the many proprietary names for lidocaine is what?
σ¾ Xylocaine HCL
σ½ 35%Polocaine
σ½ Sandonest HCL
σ½ Mepivacaine
σ½ Candicaine HCL
115. 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?
σ½ 4.0
σ¾ 4.2
σ½ 4.4
σ½ 4.6
116. All of the following are ways of caring for a syringe EXCEPT one. Which one is the EXCEPTION?
σ½ Place in an ultrasonic bath
σ½ dismantle and lubricate every 5 uses
σ½ Sharpen or replace harpoon as needed
σ½ Rinse syringe of saliva and foreign matter
σ¾ clean with an ultrasonic instrument
117. In the dental office, the MOST important consideration when selecting a syringe type is the ability of the following:?
σ½ Delivery anesthetic solution to a patient
σ¾ Aspirate
σ½ Accept a 30 gauge needle
σ½ Be cost effective
118. In local anesthetic dissociation, tissues with a low pH would have effect on base(RN) and cation(RNH+) in the solution?
σ¾ A lower portion of RN and higher portion of RNH
σ½ A lower portion of RNH+ and a higher portion of RN
σ½ Rapid onset of local anesthetic
σ½ Increase duration of local anesthetic
σ½ Decrease potency of local anesthetic
119. After properly loading the cartridge into the syringe, a few drops of local anesthetic should be expelled. Why?
σ½ The ensure proper placement of the harpoon
σ¾ To ensure free flow of the solution
σ½ The ensure the correct anesthetic has been used
σ½ To ensure the needle has not been barded
σ½ To ensure the ability to aspirate
120. The major factor influencing the ability to aspirate is what?
σ¾ Gauge of the needle
σ½ Size of clinician hand’S
σ½ Site of injection
σ½ Size of thumb ring
σ½ Harpoon being sterile
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