Dental anesthesia (2)
61. Which layer is considered as anatomical barrier to the diffusion of local anesthetic substances
σ� Endoneurium
σ� Epineurium
σ� Fasciculi
σ� Perineurium
62. Afferent or sensory nerves conduct impulses to the
σ� CNS.
σ� Periphery of the body
σ� Motor nerves of muscles
σ� Pain stimulus
63. Efferent or motor neurons conduct messages from:
σ� The periphery of the body to the CNS.
σ� The pain stimulus to the periphery.
σ� The CNS to the periphery
σ� 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
σ� Axoplasm.
σ� Axolemma
σ� Cell body.
σ� CNS
65. For a local anesthetic to be clinically useful is
σ� It should be compatible with the tissues
σ� It’s action should be temporary
σ� It’s action should be completely reversible
σ� All to the above.
66. Which one is the Amide anesthetics type
σ� Lidocaine
σ� Cocaine
σ� Movocaine
σ� Procaine
67. Which one is the ester type of local anesthetic
σ� Mepivacaine( or carbocaine
σ� Prilocaine ( or citanest)
σ� Procaine
σ� Bupivacaine(or Marcaine)
68. Which one are the three major types of local anesthesia can be performed in the maxillary for pain control?
σ� Infiltration, field block, and nerve block
σ� Nerve block, field block, and topical
σ� Field block, infiltration , and intraseptal
σ� Field block, infraorbital , intraosseus
69. How many major types of Local Anesthesia can be performed in the maxillary for pain control?
σ� Three major types
σ� Two major types
σ� One major type
σ� 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.
σ� Nerve block
σ� Field block
σ� Infiltration
σ� Inferior alveolar nerve block
71. Which one is NOT include in the type of infiltration technique?
σ� Supraperiosteal injections
σ� Intraseptal injections
σ� Periodontal ligament injections
σ� Infraorbital injection
72. Local Anesthetic deposited near a larger terminal branch of a nerve is called
σ� Nerve Block
σ� Infiltration
σ� Field block
σ� Periapical injection
73. Local anesthetic deposited near the main nerve trunk and is usually distant form the operative site is called
σ� Field block
σ� Infiltration
σ� Nerve block
σ� Periapical injection
74. Which one are called local anesthesia nerve block?
σ� PSA , MSA, ASA
σ� Periodontal ligament injection
σ� Intraseptal injections
σ� Supraperiosteal injection
75. Which one is the best answer for nerve block of local anesthesia in the maxillary nerve block?
σ� PSA, MSA,ASA, Infraorbital , Greater palatine , and Naso palatine nerve
σ� Supraperiosteal injection, infraseptal injection and periodontal ligament injection
σ� PSA,MSA,ASA, Mental Nerve, Inferior Alveolar Nerve Block and lingual nerve block
σ� 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
σ� PAS, nerve block
σ� MSA nerve block
σ� ASA nerve block
σ� Greater palatine nerve block
77. The technique insertion of mucobuccal fold between apex of 2nd and 3rd molars at 45 degree is called
σ� PSA, nerve block
σ� MSA, nerve block
σ� ASA, nerve block
σ� Infraorbital nerve block
78. The area used to anesthetized the maxillary premolars, corresponding alveolus, and buccal gingival tissue is called
σ� MSA nerve block
σ� PSA nerve block
σ� ASA nerve block
σ� Naso palatine nerve block
79. The technique of insertion at mucobuccal fold in the area of 1st and 2nd premolars is called
σ� PSA nerve block
σ� MSA nerve block
σ� ASA nerve block
σ� Infraorbital nerve block
80. The technique used to anesthetized the maxillary canine, lateral incisor, and central incisors and buccal gingival is called
σ� PSA nerve block
σ� MSA nerve block
σ� ASA nerve block
σ� Greater palatine nerve block
The technique of insertion at mucobuccal fold in the area of lateral incisor and canine on maxillary is called
σ� ASA nerve block technique
σ� PSA nerve block technique
σ� MSA nerve block technique
σ� 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
σ� Infraorbital nerve block
σ� PSA nerve block
σ� MAS nerve block
σ� ASA nerve block
83. The nerve that combines MSA and ASA block is called
σ� Infraorbital nerve block
σ� Greater palatine nerve block
σ� Naso palatine nerve block
σ� 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
σ� Infraorbital nerve block
σ� Posterior superior alveolar nerve block
σ� Middle superior alveolar nerve block
σ� 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
σ� Infraorbital nerve block
σ� Field block
σ� PSA nerve block
σ� 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
σ� Greater palatine nerve block
σ� Naso palatine nerve block
σ� PSA nerve block
σ� 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
σ� Greater Palatine nerve block
σ� PSA nerve block
σ� MSA nerve block
σ� 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
σ� Greater palatine nerve block
σ� Naso palatine nerve block
σ� Infraorbital nerve block
σ� 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
σ� Naso-palatine nerve block
σ� Greater palatine nerve block
σ� Infraorbital nerve block
σ� Posterior superior alveolar nerve block
Which techniques do not work in the adult mandible due to dense cortical bone the below technique is
σ� Infiltration injection technique
σ� Field block
σ� Nerve block
σ� 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
σ� Long buccal nerve block
σ� IAN block, lingual nerve block
σ� Lingual nerve block only
σ� 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
σ� IAN, Akinosi, Gow-Gates, Mental nerve Block
σ� IAN, Akinosi, PSA, MSA, ASA, Greater palatine nerve block
σ� IAN, Long buccal nerve Block, infraorbital nerve block
σ� 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
σ� 25 mm to 27mm
σ� 27mm to 29mm
σ� 29mm to 30 mm
σ� 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
σ� IAN block
σ� Akinosi Nerve Block
σ� Gow-Gate nerve Block
σ� 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
σ� IAN nerve block
σ� Gow-Gate Nerve block
σ� Akinosi Nerve Block
σ� 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
σ� IAN, Long buccal, Lingual nerve block
σ� IAN, Long buccal nerve Block
σ� IAN,Long Buccal nerve block only
σ� 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
σ� Akinosi nerve Block(R)
σ� IAN Block
σ� Long Buccal nerve Block
σ� Lingual nerve Block
Which technique is useful for infected patients with trismus, fractured mandibles, and mentally handicapped individuals
σ� IAN Block
σ� Akinosi Nerve Block(R)
σ� Mental nerve Block
σ� 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
σ� Mental Nerve Block
σ� IAN Block
σ� Gow-Gate Nerve Block
σ� Akinosi Nerve block
100. The area of injection mucobuccal fold between the mandible premolars is called
σ� Mental Nerve Block
σ� IAN Block
σ� 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?
σ� the maxillary nerves
σ� the mandibular nerve
σ� the lingual nerve
σ� 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?
σ� the middle cranial fossa
σ� the posterior cranial fossa
σ� the anterior cranial fossa
σ� 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?
σ� two branches
σ� three branches
σ� four branches
σ� five branches
σ� There two branches of maxillary nerve, which enter the sphenopalatine ganglion.
104. Which of the following nerves are entering the sphenopalatine ganglion?
σ� The greater, the nasopalatine nerve and posterior nasal nerve twigs.
σ� The greater palatine nerve, and the posterior superior alveolar nerve
σ� The greater palatine nerve, and the middle superior alveolar nerve
σ� 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?
σ� at the apex between the canine and first premolar
σ� at the apex between the second premolar and first molar
σ� at the apex between the second and third molar
σ� at the apex between the first and second molar
106. Nerve impulse travel in myelinated nerves by a process called what?
σ� Domino effect
σ� Salutatory conduction
σ� Relative refractory
σ� Nodes of Ranvier
107. Which portion of the nerve do local anesthetics work on?
Neuron
σ� Dendrites
σ� Nerve membrane
σ� Myelinated sheath
σ� Schawann cellS
108. What is one important way that local anesthetic drugs differ from all other drugs used in dentistry?
σ� High potential of overdose
σ� Route of administration
σ� Rate of uptake into bloodstream
σ� Action ceased when absorbed into bloodstream
σ� Blood levels must be sufficient to exert effect
109. When procaine undergoes metabolic breakdown, the major metabolic product (metabolite) is what?
σ� Pseudocholinesterase
σ� chloroprocaine
σ� Succinylcholine
σ� Para-aminobenzoic acid
110. Biotransformation of amides take place where?
σ� liver
σ� kidney
σ� blood plasma
σ� spleen
σ� bloodstream
111. The concentration of epinephrine that is optimal for hemostasis is what?
σ� 1:5000
σ� 1:50,000
σ� 1:150,000
σ� 1:100,000
σ� 1:200,000
112. All of the following are reasons to include a vasoconstrictor, ECEPT one.Which one is the EXCEPTION?
σ� lower blood flow to injection site
σ� increase anesthetic blood levels
σ� increase duration of local anesthetic
σ� lower anesthetic toxicity
σ� 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?
σ� the lower of the two maximum doses for the individual agents
σ� the maximum dose of each drug being administered
σ� 25% of the maximum dose of each drug being administered
σ� 35% of the maximum dose of each drug being administered
σ� Dental work being done in many more than on quadrant
114. One of the many proprietary names for lidocaine is what?
σ� Xylocaine HCL
σ� 35%Polocaine
σ� Sandonest HCL
σ� Mepivacaine
σ� 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?
σ� 4.0
σ� 4.2
σ� 4.4
σ� 4.6
116. All of the following are ways of caring for a syringe EXCEPT one. Which one is the EXCEPTION?
σ� Place in an ultrasonic bath
σ� dismantle and lubricate every 5 uses
σ� Sharpen or replace harpoon as needed
σ� Rinse syringe of saliva and foreign matter
σ� 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:?
σ� Delivery anesthetic solution to a patient
σ� Aspirate
σ� Accept a 30 gauge needle
σ� 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?
σ� A lower portion of RN and higher portion of RNH
σ� A lower portion of RNH+ and a higher portion of RN
σ� Rapid onset of local anesthetic
σ� Increase duration of local anesthetic
σ� Decrease potency of local anesthetic
119. After properly loading the cartridge into the syringe, a few drops of local anesthetic should be expelled. Why?
σ� The ensure proper placement of the harpoon
σ� To ensure free flow of the solution
σ� The ensure the correct anesthetic has been used
σ� To ensure the needle has not been barded
σ� To ensure the ability to aspirate
120. The major factor influencing the ability to aspirate is what?
σ� Gauge of the needle
σ� Size of clinician hand’S
σ� Site of injection
σ� Size of thumb ring
σ� Harpoon being sterile
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