1. Comprehensive school based dental care for whole country is adopted bySwedenNew ZealandUSAAustralia 2. Immunity that is conferred to the foetus by transfer of IgG and IgA antibodies is called asNatural active immunityPassive acquired ImmunityActive acquired immunityPassive natural immunity 3. A patient has Hemoglobin of 6 gm%. Which of the following should not be administered:Fresh frozen plasmaRandom donor plateletsWhole bloodPacked red cells 4. Caisson diseaseAmniotic fluid embolismGas embolismFat embolismTumor embolism 5. Which of the following soft tissues of the oro facial region mature first:LipsPosterior 1/3rd of tongueAll soft tissues mature simultaneouslyTip of tongue 6. The crowns of all 20 primary teeth begin to calcify between:1 to 2 months in utero8 to 9 months in utero2 to 3 months in utero4 to 6 months in utero 7. With incresed age and irritation which form of dentin is laid downSclerotic dentinEburnated dentinRepairative dentinSecondary dentin 8. Aminoglycosides cause all of the following exceptneuromuscular blockadeNephrotoxicityCardiotoxicityOtotoxicity 9. Necrotizing ulcerative gingivitis (NUG) and acute herpetic gingivostomatitis can be differentiated clinically by (the)temperature of the patient.location of the lesions.lymphadenopathy.pain. 10. Which of the following is evident on the radiographSinus mucositisRetianed rootAntrolithSialolith 11. Sickle cell anaemia is caused due to:Substitution of valine by glutamic acidSubstitution of glutamic acid by valineSubstitution of ketoglutarate by valineSubstitution of valine by ketoglutarate 12. Alkaptonuria an inherited metabolic disorder is due to defiiciency ofPhenylalanine hydroxylaseTyrosine transaminaseHomogentisate oxidaseCystathionase 13. Styloglossus action is:Protrusion of tongueRetraction of tongueElevation of tongueDepression of tongue 14. Pulse rate in infant is normally:80 beats/min130 beats/min60 beats/min100 beats/min 15. Which of the following muscles adducts the vocal cords?Lateral cricoarytenoid.Vocalis.Cricothyroid.Posterior cricoarytenoid. 16. Identify the salivary gland tumor which has marked tendency to spread through perineural spacesAdenoid cystic carcinomaWarthins tumorMucoepidermoid carcinomaPleomorphic adenoma 17. Wernicke's area is associated with:ThoughtLanguage interpretationAssociation of tasksLong term memory 18. Vertical dimension at rest can be defined asVertical dimension at Occlusion plus freeway spaceVertical dimension at occlusion multipied by freeway spaceVertical dimension at occlusion plus freeway spacevertical dimension at occlusion minus freeway space 19. When a calcified root canal cannot be located or instrumentedIt is no longer accessible to bacterial infection.Extraction is the treatment of choice.The dentist must proceed with the understanding that an unexplored or unfilled canal is worse than a perforation.Retrograde and replantation procedures should be considered. 20. Pentameric structure:IgMIgGIgAIgD 21. A previously well-controlled periodontal patient now demonstrates the presence of bleeding in 60% of sites and significantly increased probing depths. The patient has most likely developedosteoporosis.diabetes mellitus.hyperchromatosis.hypercalcemia. 22. Elevation of glucose by corticosteroids is counteracted by insulin is an exampleCompetitive antagonismNoncompetitive antagonismPhysiological antagonismCHEMICAL antagonism 23. True about carbamoyl phosphate synthaseMitochondrial enzymeCytosolic enzymeAll are trueCatalyses condensation reaction 24. You are instrumenting a canal with a size 30, 25 mm k-type file. What does each of the sizes denote, respectively?The diameter of the tip of the file and the taper of the fileThe taper of the file and the length of the fileThe diameter of the tip of the file and the length of the fileThe length of the file and the diameter of the tip of the file 25. Cubital tunnel syndrome occurs due to compression of which structure:Median nerveUlnar nerveBranchial arteryRadial nerve 26. Oronasal intubation is not indicated in:Le Fort I fracturesMandibular fracturesLe Fort II and III fracturesParietal bone fractures 27. All are of adult size at birth exceptTympanic CavityMaxillary antrumMastoid antrumEar osscicle 28. The term "balanced anaesthesia" has been given bySimpsonMortanFischerlundy 29. Which of these is not a part of ethmoid boneAgger nasi cellsCribriform plate or crista galiUncinate processInferior turbinate 30. Best view for horizontally favourable and unfavourable angle fracture:PA towne's viewPA CephOPGLateral oblique 31. Excessive bleeding occurring during oral surgery can be minimized by maintaining the patient atHead downSupineProneHead up 32. Identify the clasp assembly seen in the imageI barAker claspRPI claspRing clasp 33. Which of the following is evident on the radiographMedial pterygoid plateConchaeHamular processCoronoid proess 34. The major objectives of access preparation include all of the following except which one?The attainment of direct, straight-line access to the apical portion of the root.The confirmation of clinical diagnosis.The conservation of tooth structure.The attainment of direct, straight-line access to canal orifices. 35. Mother of a child is worried about green stains on the recently erupted upper anterior teeth of her child. The stains are most probably due to:Neonatal lineChromogenic bacteriaMaterial albaCalculus 36. Which articulator is based on arbitary theories of motionGysiTrumanWhipmixMonson 37. Buprenorphine isNonePure antagonistPartial agonistPure agonist 38. Which of the following is the normal arrangement of lingual nerve and vessels in the tongue from medial to lateral?Nerve, artery and vein.Vein, artery and nerve.Artery, nerve and vein.Nerve, artery. 39. Which of the following is a cause of delayed healing of a fracture:ObesityInadequate immobilizationHypercholesterolemiaHypertension 40. The most common pathogens responsible for nosocomial pneumonias in the ICU areMycoplasma.Gram negative organisms.Gram positive organisms.Virus infections. 41. Hemolytic Streptococci can cause serious cross infections in hospital settings. These bacteria usually harbor which site in health workers working in the hospitals:HairNailsThroatSkin 42. Which is the earliest symptom of ParkinsonismChoreaTremorsBradykinesiaRigidity 43. Methemoglobinemia true is:Alteration of globin chainsIncreased oxygen binding capacityIron is oxidizedOxidation of cytochrome oxidase 44. Which of the following movements are performed by a non-working condyleStraight forwardDownwards Forwards LateralDownwards Forwards MedialDownwards Backwards Medial 45. Krebs cycle does not occur inMuscleHeartAll of the aboveRBC 46. Microorganisms associated with periodontal health are all of the following, EXCEPT:P. gingivalisviscosusS. SanguisP. Intermedia 47. A facebow is used to record thevertical dimension of occlusion.relationship of the maxilla to the horizontal hinge axis.horizontal condylar inclination.incisal guidance. 48. In cardio pulmonary resuscitation chest compressions are done:On the left side of the chestOn the xiphisterumOn the upper part of sternumOn the middle of the Lower part of the sternum 49. nickel is added to wrought gold alloys asbalance of colorscavengerstrengthenerage hardner 50. which of the following bacteria do not invade host tissue cellF.NucleatumP.gingivalisP.intermediaT.denticola 51. Rancid butter smelling of urine is seen inTyrosinemiaAlkaptonuriaHartnup diseasePhenylketonuria 52. Exclusive of third molars, the permanent dentition is usually completely erupted by the age of12 to 14 years.18 to 21 years.15 to 17 years.9 to 11 years. 53. Which of the following is not true when fixing the matrix band for filling a Class 2 cavity with amalgam? The matrix band shouldSupport the marginal ridge of the restoration during amalgam packingProvide a physiological contour for the proximal surface of the restorationBe higher than the occlusal surface of the toothFit the cervical margin of the proximal box loosely 54. The auriculotemporal nerve encircles which of the following vessels?Maxillary artery.Middle meningeal artery.Deep auricular artery.Superficial temporal artery. 55. In which part of oral cavity mucous menbrane is the thinnestLabial mucosaFloor of mouthSoft palateBuccal mucosa 56. A lady with an Infant reported to clinic with the complaint of white teeth like structure, at the level of gingiva in mandibular anterior region. What should dentist do?Selective grinding & let it remainExtract it under laReassure the parents as root will develop laterExtract the structure under GA 57. Neonatal teeth arePresent within 45 days of birthErupt within 30 days of birthPresent 180 days after birthPresent at birth 58. Diameter of adult tooth brush range0.006-0.0090.010-0.0120.004-0.0070.007-0.015 59. Which of the following is most likely to decrease in skeletal muscles during exercise?Lactic acid concentrationCarbon dioxide concentrationSympathetic nervous activityArteriolar resistance 60. which of the following is used to detect the chromosomal differences between neoplastic cells and their normal counterpartsSpectral karyotypingComparative genomic hybridizationPCRwestern blotting 61. Morphine a powerful opioid analgesic drug shuld be avoided in all of the following conditions exceptPancreatitisConstipationBronchial asthmaLeft ventricular failure 62. After spleenectomy patient becomes more prone toNon-encapsulatedGram -ve & anaerobicGram +ve & anaerobicEncapsulated organisms 63. Most common cause of seizures in a patient of AIDS isCryptococcal meningitisToxoplasmosisProgressive multifocal leucoencephalopathyCNS lymphoma 64. NSAID given in once daily dose isketorolacNaproxenParacetamolPiroxicam 65. The type of bone present in the labial anterior teeth isExophyticCancellousCorticalOsteophytic 66. Facial index of 85.6% means:Leptoprosopic faceMesoprosopic faceHypereuryprosopic faceEuryprosopic face 67. Medial squint occurs due to lesion of:Trochlear nerveOcculomotor nerveAbducent nerveOptic nerve 68. Most common tumour of mandible in India is:OsteoclastomaAdammitinomaOsteogenic sarcomaSquamous cell carcinoma 69. Angulation of needle during suturing as the needle enters the tissue:135 degrees45 degrees90 degreesAs close to 0 degree as possible 70. The number of branches of the internal carotid artery in neck is /are :-TwoNoneFourOne 71. Which of the following is not a technique for protein precipitationHeat precipitationtitration with reducing sugarTrichloroacetic acidIsoelectric point method 72. Which of the following statement(s) is(are) true regarding treatment of a tooth presenting with a sinus tract?All of the above choices are true.Treat with conventional root canal therapy.The sinus tract should heal in 2 to 4 weeks after conventional root canal therapy.Antibiotics are not needed. 73. Most common relationship of the primary molars in deciduous dentition:Angle Class IDistal stepFlush terminal planeMesial step 74. The hypercalcification lines that separate lamellae of cellular cementum from that of acellular cementum are known asnone ofThe abovePerikymataIncremental linesLines of retzius 75. At what age the calcification of deciduous teeth startsSixth month of fetal lifeSecond month of fetal lifeSeventh month of fetal lifeFourth month of fetal life 76. Candida albicans causes all of the following exceptEndocarditisMeningitisMycetomaOral thrush 77. Modes of attachment of calculus to the tooth surface include all of the following, EXCEPTMechanical locking into surface irregularitiesPenetration of calculus bacteria into cementumClose adaptation to unaltered cementumAttachment by means of an inorganic pellicle 78. A light bluish dome shaped lesion on the inside lip of a 2 yr old child is mostlyHematomaMelanomaMucoceleHemangioma 79. A general anesthetic should not be used for an elective surgical procedure in a patient with less than:8 gams Hb10 grams Hb12 grams Hb19 grams Hb 80. Which of the following is the best indication for transfer of maternal blood components to an infant:Plasma to prevent NAIT (Neonatal Alloimmune Idiopathic thrombocytopenia)Plasma to prevent ITPPlatelets to prevent NAITRBCs to prevent TA-GVH 81. In an Angle Class I occlusion, which cusp of which permanent tooth moves between the mesiolingual and distolingual cusps of the mandibular second molar in a working side movement?Mesiolingual cusp of the maxillary first molar.Mesiolingual cusp of the maxillary second molar.Distolingual cusp of the maxillary second molar.Distolingual cusp of the maxillary first molar. 82. Which of the following orthognathic surgery is shown in pictureLe Fort III advancementInferior border modificationLe Fort I advancementSagittal split osteotomy 83. Most common form of brain herniation isTranstentorial herniationForaminal herniationTranscalvarial herniationTransfacial herniation 84. Infection of dangerous area of face leads toLateral sinus thrombosisCavernous sinus thrombosisBrain abscessCortical venous thrombosis 85. Which of the following nutrients are not included in Total Parental NutritionProteinsFibersCarbohydratesLipids 86. Local anesthetics stop axonal conduction by blocking:Calcium channelsAll of the abovePotassium channelsSodium channels 87. Maxillary sinus is seen inPA viewSubmento vertexReverse Towne projectionWaters view 88. A divided pulp canal is most likely to occur in theroot of a maxillary canineroot of a maxillary central incisorroot of a mandibular caninelingual root of a maxillary 1st molar 89. In an ideal Class I occlusion, the cusp of which mandibular tooth is in contact with the central fossa of the maxillary second molar?Distobuccal cusp of the first molar.Mesiobuccal cusp of the second molar.Distobuccal cusp of the second molar.Mesiobuccal cusp of the first molar. 90. Most commonly used blade for oral cavity:No.9No. 11No. 15No. 12 91. JAK-STAT kinase receptors is associated withIon channelsincreased c AMPIP3-DAGNuclear transcription 92. Possible etiology of internal resorption:Necrosis of pulpFurcation involvementThe presence of low grade chronic pulpitisLuxation injury 93. "Classical phenyl ketonuria" is caused by deficiency ofTyrosine transaminaseTyrosine hydroxylasePhenylalanine hydroxylasePhenylalanine transaminase 94. Suture with least adhesion to tissues and high plasticity is:NylonPolyglycolatePDSProlene 95. Space for eruption of permanent mandibular molars is created byApposition of the alveolar processResorption at the anterior border of the ramusApposition at the anterior border of ramusResorption at the posterior border of ramus 96. An ovoid radiolucency found located in the inferior border of posterior mandible region, which contains salivary gland tissue isresidual cystStafne cystCentral giant cell granulomaaneurysmal bone cyst 97. The propylene glycol in IV valium can cause:syncopecellulitisphlebitisa unilateral facial paralysis 98. All of the following are morphological neurological complication of measles exceptTransverse myelitisEncephalitisSSPEOptic neuritis 99. Recently two methods of cPAP: conventional and bubble cPAP were compared. In the conventional method, 90 out of 160 showed extubation failure while 40 out of 160 showed extubation failure in the bubble method. Which test would be the best to compare the statistical significance between the rates of extubation failure in the two testsChi square testPaired t testANOVAStudent t test 100. A 6 year old patient reports with greenish blue swelling distal to deciduous 2nd molar. Treatment would be:Injecting proteolytic solution in the areaBone graftNo treatment, only observationSurgical excision of flap 101. True regarding Non accidental traumatic fractures all except:Metaphyseal corner fractureCostochondral joint fractureSternal fractureParietal fracture 102. In the maxilla the molar tooth germs develop, with their occlusal surfaces facing firstMesiallyBuccallyDistallyLingually 103. Distal part of the impacted third molar is covered by ascending ramus. What is the classificationClass IIType IDistoangular impactionPosition B 104. Type 1 muscle fibres arelargeAnerobicGlycolyticRed 105. Most of the drug resistance occurs due toTransductionConjugationMutationTransformation 106. Virus is usually cultured in:Sabourouds mediumNon embryonated hen eggsRogosa blood agarEmbryonated hen eggs 107. All of the following statements about pain are correct exceptAnalgesia is associated with 'u' and 'k' receptorsDysphoria is associated with 'k' receptorsNaloxane is a non competitive antagonist and irreversibly opposes the opioidsNSAIDS benefit by preventing prostaglandin synthesis 108. With advancing age pattern of bone resorption in mandible becomes:Depends upon stageCentrifugalCentrifugal anteriorly, centripetal posteriorlyCentripetal 109. Antibody to HSV will begin to appearAntibodies are present In recurrent and chronic apthous stomatitis No antibodies are present in primary HSVIn a week and reach a peak in 3 weeksOnly after one year 110. If gold content of the alloy decreases:Strength decreases, ductility increasesStrength increases, ductility decreasesBoth strength and ductility decreasesBoth strength and ductility increases 111. Cardiac arrythmias are most commonly seen during administration ofThiopentalNitrous oxideEtherHalothane 112. Beta subunit of insulin receptor binds toTyrosine kinaseIP3-DAGGuanylyl cyclaseadenylyl cyclase 113. The most common congenitally missing primary tooth is the:Primary mandibular caninePrimary mandibular first molarPrimary maxillary lateral incisorPrimary maxillary canine 114. In the clotting process, as the hemostatic plug develops, fibrin polymerizes into monomeric threads that are held together by noncovalent bonds. Which clotting protein increases the strength of the clot by cross-linking the newly formed fibrin threads?High molecular weight kininogen (HMWK)ThrombinPlasminogenFactor XIII 115. a patient sustains an injury to mandible. Which is the best projection for evaluation of the condylar neck and ramus areaReverse towneWatersSubmentovertexlateral ceph 116. an Angle Class I occlusion, the mesiobuccal cusp of the maxillary first molar occludes withmesial marginal ridge of the mandibular first molar.mesiobuccal cusp of the mandibular first molar.central fossa of the mandibular first molar.mesiobuccal groove of the mandibular first molar. 117. Which one of the following is a good index of the severity of an acute disease?Cause specific death rate.Standardized mortality ratio.Case fatality rate.Five year survival. 118. Snow man appearance or figure of 8 appearance is seen inTotal anomalous pulmonary venous connectionTricuspid atresiaTransposition of great arteriesTetralogy of fallot 119. Widest spectrum aminoglycoside isStreptomycinAmikacinNetimicinFramycetin 120. In an infant, the gum pad is separated from palate by:Transverse grooveLateral sulcusGingival grooveDental groove 121. Which of the following bacteria are most commonly associated with pregnancy associated gingivitis?P. GingivalisS.oralisB. ForsythusP. Intermedia 122. Nerve supply to musculature of tongue is:VagusGlossopharyngealHypoglossalFacial 123. A patient complaints of multiple episodes of blood stained vomits .On examination, he has a saddle nose and typical strawberry gingivitis. what is the probable diagnosis?Hutchinson syndromewegener's granulomatosispoisoning by lead or other heavy metal poisoningscabies 124. During inferior alveolar nerve block, the needle is located in:Massetric spacePterygomandibular spaceParotid spaceTemporal space 125. ehler danlos syndrome isautosomal recessivesex linked recessiveautosomal dominantsex linked dominant 126. The most common pathway of glycolysisPentose phosphate pathwayEmbden Meyerhof pathwayEntner Doudoroff pathwayUrea pathway 127. Dontrix gauze is used to:Measure wire deformationMeasure forceMeasure strength of wireMeasure wire distortion 128. What type of movement is shown here? TippingRotationTranslationIntrusion 129. Hallucinations are seen after following anaesthesiaThiopentoneFentanylNitorus oxideKetamine 130. Which of the following test is used to compare the chromosomes between normal and neoplastic cells or for detecting genetic transfer of disease:Comparative genomic hybridizationWestern BlottingSouthern blottingPCR 131. the correctly placed posterior palatal seal createspartial vaccum beneath the maxillary denturevaccum beneath the maxillary denturea close adaptation of maxillary denture at tuberosityvaccum in posterior part of palate 132. True about hemorrhagePrimary hemorrhage occur within 24 hr postoperativeReactionary hemorrhage occur at the time of surgeryNone of above is correctSecondary hemorrhage occur 7 to 14 days postoperative 133. Polyglycolic acid suture is:Nonabsorbable synthetic sutureAbsorbable synthetic sutureAbsorbable natural sutureNonabsorbable natural suture 134. Diabetic patient with periodontitis have significantly higher level of ______________ in GCFInterleukin-1PGE2AllTNF 135. Antrum of highmore' is nother name ofEthmoidal sinusFrontal sinusMaxillary sinusSphenoid sinus 136. 2% solution of copper sulphate followed by sodium bicarbonate application is needed for treatingAlkali burnsPhenolic burnsAcid burnsPhosphorus burns 137. Second gas effect is exerted by which of the following gas when coadministered with halothaneNitrous oxideHeliumNitrogenCyclopropane 138. In an edentulous maxilla, the direction of resorption of the alveolar ridge isupward and facially.upward only.uniform in all directions.upward and palatally. 139. Which index correlates the maturational status of a tooth to its developmental stage:Demerijian IndexGustaffsonSchour and MasslerRoot transparency 140. Vertical food Impaction can be due to all exceptPeriodontal destructionOpen contacts between adjacent toothDifference between adjacent tooth marginal ridges and at irregular levelPlunger cusp 141. Which tooth is the only anterior tooth in either dentition to have a shorter inciso-cervical height than the mesio-distal width?The primary mandibular lateral incisorThe primary mandibular central incisorThe primary maxillary lateral incisorThe primary maxillary central incisor 142. Sulphonamides act byNon competitive inhibitionAllosteric inhibitionCompetitive inhibitionNone of these 143. Most common presentation of extrapulmonary TBTubercular lymphadenitisTubercular meningitisPeritoneal TBPericardial TB 144. While obturation selection of master cone is based on:The cone must bind loosely in the canal and reach within 1 mm of the radiographic apexThe cone should have a wiggly appearance and reach within 1mm of radiographic apexThe cone must fit well in the apical third of the canal and be within 1mm of the radiographic apexThe cone must fit well in the canal and be at the radiographic apex 145. Young's modulus is defined as:Area under the stress strain curve till point of fractureStress/strain below elastic limitStress/strain above elastic limitLimit where a material shows plastic defonnation 146. Stage of surgical anesthesia during ether administration isLoss of consciousnessLoss of consciousness to beginning of regular respirationRegular respiration to cessation of breathingFailure of circulation 147. All of the following statements concerning teratology or teratogens are true, except:Teratology is the study of developmental anomaliesTeratogens are chemical, physical, and biologic agents that cause developmental anomaliesThe mechanism of teratogenesis is not specific for each teratogenSusceptibility to teratogens is variable 148. Effects associated with cold working i.e lowered ductility and distorted grains can be eliminated by process known asEutecticConcentricityStrain hardeningAnnealing 149. Pleoniorphic' shape of bacteria signifies:Long rods shaped bacteriaDumb-bell shaped bacteriaNon specific shapeIrregular clusters of bacteria 150. Maximum amount of air that can be inhaled:Dead spaceTidal capacityVital capacityInspiratory reserve volume 151. In the drawing below, which area stabilizes the clamp to the tooth.BDAC 152. Right 12th nerve damage leads toNasal twang to voiceTongue deviation to right on protrusionScanning speech defectsTongue deviation to left on protrusion 153. Which one of the following skeletal muscle relaxants causes pain on injectionRocuroniumVecuroniumSuccinyl cholinepancuronium 154. The dentogingival unit is composed ofJunctional epithelium and gingival fibersNone of the aboveJunctional epithelium and PDL fibersPDL fibers and gingival fibers 155. replacing alanine by which amino acid will increase UV absorption of protein at 280um wavelengthleucineprolinetryptophanarginine 156. EB virus is associated with which carcinoma:Nasopharyngeal carcinomaCarcinoma of bladderCarcinoma of larynxChronic lymphocytic leukemia 157. Co-factor for phosphofructokinase isFeMgZnMn 158. Which of the following has a non odontogenic originSebaceous cystRadicular cystDentigerous cystOKC 159. All of the following statements are true except:The crown surfaces of all primary teeth are much smoother than the permanent teethThe primary teeth are darker in color than the permanent teethIn general, the crowns of primary teeth are more bulbous and constricted than the permanent counterpartThe pulp cavities are proportionately larger in the primary teeth 160. the most important bufer system in the saliva isall of the aboveprotein buffersbicarbonate-carbonic acid buffersphosphate buffers 161. ____ is degraded by Streptococcus mutans into ____ and ___ , thereby causing caries initiation and progression.glucose, glucans, lactic acidsucrose, glucans, lactic acidglucose, sucrose, acetic acidsucrose, glucose, acetic acid 162. The procedure shown in the picture isChampy’s plateIlizavrov’s procedureGap arthroplastyEsmarsh procedure 163. Direction of the enamel rods in the deciduous and permanent teeth isDifferent at cervical thirdNone of the aboveSame throughoutDifferent at occlusal and ncisal third 164. Which of the following is evident on the radiographIntrusionExtrusionLateral luxationRoot fracture 165. Which of the following regions of the nephron is capable of the greatest level of sodium reabsorption?Distal convoluted tubuleProximal convoluted tubuleCollecting ductThick ascending limb of the loop of Henle 166. Best test to evaluate syphilis after treatment isFTA-ABSTPATPHAVDRL 167. which of the following is the least radiosensitive tissuesWBC,bone cells,epithelial cellsconnective tissue cell,endothelial cell,muscle cellmuscle cells,nerve cells,bone cellsRBC,muscle cell,nerve cell 168. Proper radiographic infection control includes all of the following except one. Which one is the exception?Covering working surfaces with barriersDisinfecting x-ray machine surfaceWearing gloves while making radiographsSterilizing film packets 169. Maxillary cast is attached to articulator by:Clinical recordFunctional recordUsing facebowChanging incisal pin 170. Killer and Helper cells are part of:MonocytesMacrophageT cellsB cells 171. nikolsky sign is not seen incicatricial PemphigoidTENscalded skin syndromebullous Pemphigoid 172. Which of the following statements is true regarding the choice between doing a composite or amalgam restoration?Only amalgam should be used for Class II restorations.Establishing restored proximal contacts is easier with composite.The composite generally uses a more conservative tooth/cavity preparation.The amalgam is more difficult and technique sensitive. 173. Heparin is secreted by:PlateletPlasma cellsT lymphocytesMast cell 174. A trauma patient with bleeding in emergency is not able to maintain tongue position voluntarilyThe tongue is best managed byDeep suture and tractionHold tongue with towel dipOropharyngeal airwayIntubation and definite airway 175. Which of the following is found in the respiratory zone of the lung?Type I epithelial cellsMucous cellsGoblet cellsMain bronchi 176. When permanent maxillary lateral incisors are congenitally missing, the permanent canine may often erupt:Mesial to the deciduous canineDistal to the deciduous canineMay be congenitally missingBetween the two CIs 177. In which surveyor,spring mounted horizontal arm is seenNeyWilliamsJelenkoNone of the above 178. Most common site of zygomatic arch fracture isposterior to itNo specific locationZT sutureanterior to it 179. When making a diagnosis as to the vitality of a tooth, you employ the electric pulp tester. You obtain a measurement that suggests the tooth is necrotic. With this information alone, you can determine that:The tooth needs root canal therapy.The tooth is necrotic.The tooth has an inflamed PDL.Further testing is necessary to make a definitive diagnosis. 180. During a surgical procedure, cranial nerves IX and X are accidentally cut bilaterally. What would be the immediate change in the patient's hemodynamic condition?Sinus arrhythmia with hypotensionBradycardia with hypotensionTachycardia with hypertensionBradycardia with hypertension 181. Which hormone increases the gingival vascular permeability and increases chances of gingival disease caused by infective micro-organismsOxytocinHuman chorionic gonadotropinProgestoeroneEstrogen 182. Which of these amino acids does not enter the krebs cycle by forming Acetyl-CoA via pyruvateTyrosineGlycineHydroxyprolineAlanine 183. dental impression compound is characterised by having acrystalline atomic structurecross linkage reaction upon heatingspecific melting pointrelatively low thermal conductivity 184. Dental plaque containspellicle and foodBacteria and food productsSalivary products and food particlesBacteria and bacterial products 185. A patient with hereditary fructose intolerance is deficient in which of the following enzymesFructokinaseTriokinaeAll of the aboveAldolase 186. Insulin does not facilitate glucose uptake in the following exceptLiverKidneyRBCHeart 187. Kennedy applegate classification of partially edentulous arch does not allow consideration ofDifferentiation between tooth borne and tooth tissue supportedVisualizationUniversal acceptanceLength of the edentulous spaces 188. For a dental hand instrument with a formula of 10-8.5-8, the number 10 refers to _____.The blade angle, in centigradeThe width of the blade, in tenths of a millimetreThe blade length, in millimetresThe primary cutting edge angle, in centigrades 189. iron deficiency anemia showsTIBC is increasesincrease in transferrin receptorsincrease in transferrin saturationTIBC decreased 190. Which vitamin is essential for metabolism of sulphur containing amino acidsVitamin CThiamineFolic acidBiotin 191. The picture below shows which of the following combination of orthognathic surgeriesLe Fort I osteotomy and bilateral sagittal osteotomyBilateral sagittal osteotomy and subapical osteotomyBilateral sagittal osteotomy and genioplastyLe Fort III osteotomy and bilateral sagittal osteotomy 192. Which of the following is the most accurate to measure the height of the floor of the mouth?Using a periodontal probeUse of a special trayUsing a straight probeUse of periodontal probe and a special tray 193. RPI clasp in a distal extension cast partial dentureUsed for buccally tilted molarIs contraindicatedProvides push type retentionProvides pull type retention 194. Cabbage-like odour is seen inPhenylketonuriaHartnup diseaseTyrosinemiaAlkaptonuria 195. Primary teeth are lighter than permanent teeth because Thin dentin in primary teethDifference in crystalline structure makes refractive index differentLighter color of enamelBecause of contrast with the adjacent tissue 196. Pyruvate kinase is inhibited byATPInsulinFructose-1,6 biphosphateAll of the above 197. Appliance shown in the picture is used for breaking which habitMouth BreathingLip BitingNail BitingThumb Sucking 198. Diagnodent is based on theLaserSound waveNano technologyVisible light 199. An overextended distobuccal corner of a mandibular denture will push against which muscle during functionMassaterZygomaticusOrbicularis orisTemporalis 200. In Steiner's analysis, SNA is 82 degrees. This indicates:Maxillary protrusionMaxillary retrusionMandibular protrusionNormal maxillary base 201. Iron is absorbed fromDuodenumJejunumstomachIleum 202. the heat treatment of soaking the alloy at a high temp to produce a solid solution followed by quenching is known assolution heat treatmentage hardeningliquid heat treatmentstrain hardening heat treatment 203. an epidemiological index with a true biological gradient isPMA index-Schour and maselersimplified oral hygiene index-green and vermilionperiodontal index-Ramfjordperiodontal index-russel 204. impression material of choice in patients with submucous fibrosis isaddition siliconecondensation Siliconezinc oxide eugenolplaster of paris 205. True about charge in amino acidCarboxyl group can form positive chargeNeutral at isoelectric pHAll of the aboveAmino group can form negative charge 206. hydroxylation of phenylalanine to tyrosine requiresTetrahydrofolateS-adenosyl methioninePyridoxal phosphatetetrahydrobiopterin 207. A Common site for intramuscular injection in adults:DeltoidGluteus maximusPectoralis majorVastus intermedius 208. dental plaster powder and dental stone powder differ mainly inparticle porositysolubilitychemical formulashelf life 209. When making a diagnosis, the primary goal of your diagnostic tests is to reproduce the chief complaint. You test the suspected tooth for percussion sensitivity and palpation sensitivity. Your positive percussion findings can be interpreted as follows:There is a root fracture present.There is inflammation in the PDL and the surrounding periodontium.There is inflammation in the PDL.The tooth is nonvital and should be treated with root canal therapy. 210. Least diffusible ion among followingK +Na +Cl -urea 211. Diamonds remove tooth structure more efficiently than steel burs, but they leave undesirably rough surfaces and irregular cavosurface finish lines.The first statement is false, but the second is correctBoth the statements are correctBoth the statements are falseThe first statement is correct, but the second is false 212. Not a part of RED complex:P denticolaP gingivalisP forsythusActinomycetemcomitans 213. Lactate is formed in all exceptRBCsBrainLensTestis 214. The blood in vessels normally doesn't clot because:Vascular endothelium is smooth and coated with glycocalyxVit K Antagonists are present in plasmaSodium citrate in plasma chelates Ca ionsThrombin has positive feedback on plasminogen 215. Receptor for inverse Stretch reflexExtrafusal fibersGolgi tendon organIntrafusal fibersMuscle spindle 216. A patient has recurrent attacks of asthma that occur most frequently after aspirin administration. Which of the following is the pathogenetic mechanism in this form of asthma?Type I hypersensitivity reactionEnhanced sensitivity to vagal stimulationInhibition of cyclooxygenase pathwayDirect release of bronchoconstrictor mediators 217. Multiple drug resistance is transferred throughTransformationconjugationmutationtransduction 218. Increasing urine flow rate from 1 mL/min to 10 mL/min will significantly increase the clearance ofpenicillincreatinineureainulin 219. Which of the following serves as a principal source of carbon for nonessential amino acidsureacarbohydrateswaterfats 220. Mean respiratory rate in different kind of smokers and nonsmokers, categorized as four categories mild, moderate, heavy and nonsmoker. test used to assess the means between them -Two way ANOVAChi square testOne way ANOVAStudent t test 221. Tanaka Johnson analysis uses width of which teeth to estimate the width of maxillary canine and premolars:Mandibular molarsMandibular incisorsMaxillary incisorsMaxillary molars 222. According to Cron, the tooth starts erupting afterOne fourth of the root is formedOne half of the root is formedThree fourths of the root formation is completeThe entire root is formed 223. Maxillary 1st molar cusp used in Angle classificationDistolingualMesiolingualMesiobuccalDistobuccal 224. Leeway space is due todifference between deciduous and permanent maxillary caninesspace differential between deciduous incisors and their succedaneous permanent teethnonespace differential between deciduous canine and molar and their succadaneous permanent teeth 225. A patient walks into your office for an emergency visit. He asks the receptionist for a cold glass of water and seems to be tilting his head sideways as to hold the water on one side of his mouth. Immediately, you suspect which reason for his visit?reversible pulpitisasymptomatic apical periodontitissymptomatic irreversible pulpitispulp necrosis 226. Bacterial enzyme which causes inactivation of allergy mediating immunoglobulinProteaseHyaluronidaseCatalasePeroxidase 227. Toxoids arenon-antigenic and toxicantigenic and non-toxicantigenic and toxicnon-antigenic and non-toxic 228. Osteotomes differ from chisels In that they areNon bevelledBi-bevelledSharpSlightly curved 229. Dilatation of the pupil In head injury is due tocompression of III cranial nervepontine haemorrhageall of the aboveCerebral Irritation 230. Actinomycosis is sensitive toPenicillinNystatinStreptomycinLodox-uridine 231. Which projection is best for examining zygomatic arch fractures?Submentovertex projectionReverse Towne projectionLateral cephalometric projectionWaters projection 232. A patient had come with a painful ulcerated lesion on the lip along with enlarged lymph nodes.He was diagnosed with syphilis.Which stage of syphilis is he inPrimary stageTertiary stageCongenital stageSecondary stage 233. Which of the following is not true for lidocaineInhibits both active and inactive Na channelUndergoes extensive first pass metabolismMost physicians use IV lignocaine only in patients with ventricular arrhythmiasIt is the most cardiotoxic sodium channel blockers 234. A Path finder survey for oral health needs to be done at 12 sites for 4 index age groups at each site. What should be the sample size for the survey12003001500400 235. Statins are used for cholesterol reduction, It antagonises HMG COA reductase. What kind of inhibition is seenNon specificCompetitiveFunctionalNon competitive 236. which of the following is required for conversion of prothombin to thrombinlabile factorthromboplastinfibrinstable factor 237. What role do the lungs play in the pathogenesis of systemic hypertension?The type II pneumocytes contain aldosteroneThe alveolar capillaries contain antidiuretic hormone (ADH)The alveolar capillaries contain aldosteroneThe alveolar capillaries contain angiotensin-converting enzyme (ACE) 238. Which of the following lung volumes or capacities cannot be measured directly using simple spirometry?Expiratory reserve volumeTidal volumeInspiratory reserve volumeFunctional residual capacity 239. Following is added to zinc polycarboxylate to improve its manageability:Aluminium oxideStrontium fluorideStannous fluorideMagnesium oxide 240. A major difference between total-etch and selfetching primer dentin bonding systems include all of the following except _____.The bond strengths to enamelThe need for wet bondingThe time necessary to apply the material(s)The amount of smear layer removed 241. Not an extrinsic membrane of larynxCricothyroidThyrohyoidCricotrachealHypoepiglotic 242. type of collagen present in hyaline cartilage istype IItype IVtype IIItype I Loading...