1. Neonatal teeth arePresent 180 days after birthPresent at birthPresent within 45 days of birthErupt within 30 days of birth 2. Styloglossus action is:Retraction of tongueProtrusion of tongueDepression of tongueElevation of tongue 3. 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 amount of smear layer removedThe time necessary to apply the material(s) 4. Possible etiology of internal resorption:Furcation involvementNecrosis of pulpThe presence of low grade chronic pulpitisLuxation injury 5. Krebs cycle does not occur inRBCAll of the aboveHeartMuscle 6. Insulin does not facilitate glucose uptake in the following exceptHeartKidneyRBCLiver 7. Multiple drug resistance is transferred throughmutationTransformationconjugationtransduction 8. 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 inflammation in the PDL.The tooth is nonvital and should be treated with root canal therapy.There is a root fracture present.There is inflammation in the PDL and the surrounding periodontium. 9. All of the following statements concerning teratology or teratogens are true, except:Teratology is the study of developmental anomaliesThe mechanism of teratogenesis is not specific for each teratogenTeratogens are chemical, physical, and biologic agents that cause developmental anomaliesSusceptibility to teratogens is variable 10. Which of the following has a non odontogenic originOKCDentigerous cystRadicular cystSebaceous cyst 11. The procedure shown in the picture isChampy’s plateGap arthroplastyEsmarsh procedureIlizavrov’s procedure 12. Pentameric structure:IgAIgDIgGIgM 13. Rancid butter smelling of urine is seen inAlkaptonuriaPhenylketonuriaTyrosinemiaHartnup disease 14. Diamonds remove tooth structure more efficiently than steel burs, but they leave undesirably rough surfaces and irregular cavosurface finish lines.The first statement is correct, but the second is falseBoth the statements are correctBoth the statements are falseThe first statement is false, but the second is correct 15. Which one of the following skeletal muscle relaxants causes pain on injectionRocuroniumVecuroniumpancuroniumSuccinyl choline 16. Which vitamin is essential for metabolism of sulphur containing amino acidsVitamin CThiamineBiotinFolic acid 17. type of collagen present in hyaline cartilage istype IItype IVtype Itype III 18. Which of the following is the most accurate to measure the height of the floor of the mouth?Use of a special trayUse of periodontal probe and a special trayUsing a straight probeUsing a periodontal probe 19. Oronasal intubation is not indicated in:Le Fort II and III fracturesParietal bone fracturesLe Fort I fracturesMandibular fractures 20. In an edentulous maxilla, the direction of resorption of the alveolar ridge isuniform in all directions.upward and facially.upward and palatally.upward only. 21. Suture with least adhesion to tissues and high plasticity is:PolyglycolatePDSProleneNylon 22. 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 testsANOVAChi square testPaired t testStudent t test 23. Elevation of glucose by corticosteroids is counteracted by insulin is an exampleCompetitive antagonismCHEMICAL antagonismPhysiological antagonismNoncompetitive antagonism 24. For a dental hand instrument with a formula of 10-8.5-8, the number 10 refers to _____.The width of the blade, in tenths of a millimetreThe blade length, in millimetresThe blade angle, in centigradeThe primary cutting edge angle, in centigrades 25. Which of the following is evident on the radiographRoot fractureExtrusionLateral luxationIntrusion 26. Tanaka Johnson analysis uses width of which teeth to estimate the width of maxillary canine and premolars:Mandibular molarsMaxillary incisorsMandibular incisorsMaxillary molars 27. After spleenectomy patient becomes more prone toEncapsulated organismsNon-encapsulatedGram +ve & anaerobicGram -ve & anaerobic 28. 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 29. Following is added to zinc polycarboxylate to improve its manageability:Strontium fluorideMagnesium oxideAluminium oxideStannous fluoride 30. Type 1 muscle fibres areRedGlycolyticlargeAnerobic 31. Which of the following nutrients are not included in Total Parental NutritionCarbohydratesFibersProteinsLipids 32. Most common form of brain herniation isTransfacial herniationTranscalvarial herniationForaminal herniationTranstentorial herniation 33. Receptor for inverse Stretch reflexMuscle spindleIntrafusal fibersExtrafusal fibersGolgi tendon organ 34. With incresed age and irritation which form of dentin is laid downSecondary dentinEburnated dentinRepairative dentinSclerotic dentin 35. nickel is added to wrought gold alloys asage hardnerstrengthenerbalance of colorscavenger 36. Cabbage-like odour is seen inHartnup diseaseAlkaptonuriaPhenylketonuriaTyrosinemia 37. 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 bacteriaCalculusMaterial alba 38. With advancing age pattern of bone resorption in mandible becomes:Centrifugal anteriorly, centripetal posteriorlyDepends upon stageCentripetalCentrifugal 39. True about charge in amino acidCarboxyl group can form positive chargeNeutral at isoelectric pHAmino group can form negative chargeAll of the above 40. Best test to evaluate syphilis after treatment isFTA-ABSVDRLTPATPHA 41. Maximum amount of air that can be inhaled:Inspiratory reserve volumeDead spaceTidal capacityVital capacity 42. the most important bufer system in the saliva isall of the aboveprotein buffersbicarbonate-carbonic acid buffersphosphate buffers 43. ____ is degraded by Streptococcus mutans into ____ and ___ , thereby causing caries initiation and progression.glucose, glucans, lactic acidsucrose, glucose, acetic acidglucose, sucrose, acetic acidsucrose, glucans, lactic acid 44. The major objectives of access preparation include all of the following except which one?The confirmation of clinical diagnosis.The attainment of direct, straight-line access to canal orifices.The conservation of tooth structure.The attainment of direct, straight-line access to the apical portion of the root. 45. Maxillary 1st molar cusp used in Angle classificationDistolingualMesiolingualMesiobuccalDistobuccal 46. When permanent maxillary lateral incisors are congenitally missing, the permanent canine may often erupt:Mesial to the deciduous canineMay be congenitally missingBetween the two CIsDistal to the deciduous canine 47. Dontrix gauze is used to:Measure forceMeasure strength of wireMeasure wire distortionMeasure wire deformation 48. Dental plaque containsSalivary products and food particlesBacteria and bacterial productsBacteria and food productspellicle and food 49. Increasing urine flow rate from 1 mL/min to 10 mL/min will significantly increase the clearance ofinulincreatininepenicillinurea 50. In the maxilla the molar tooth germs develop, with their occlusal surfaces facing firstDistallyMesiallyBuccallyLingually 51. Lactate is formed in all exceptTestisBrainRBCsLens 52. Which of the following is not a technique for protein precipitationtitration with reducing sugarIsoelectric point methodTrichloroacetic acidHeat precipitation 53. What role do the lungs play in the pathogenesis of systemic hypertension?The alveolar capillaries contain antidiuretic hormone (ADH)The type II pneumocytes contain aldosteroneThe alveolar capillaries contain angiotensin-converting enzyme (ACE)The alveolar capillaries contain aldosterone 54. JAK-STAT kinase receptors is associated withNuclear transcriptionIP3-DAGincreased c AMPIon channels 55. Vertical dimension at rest can be defined asVertical dimension at occlusion multipied by freeway spacevertical dimension at occlusion minus freeway spaceVertical dimension at Occlusion plus freeway spaceVertical dimension at occlusion plus freeway space 56. Antibody to HSV will begin to appearIn a week and reach a peak in 3 weeksOnly after one yearNo antibodies are present in primary HSVAntibodies are present In recurrent and chronic apthous stomatitis 57. Direction of the enamel rods in the deciduous and permanent teeth isNone of the aboveSame throughoutDifferent at cervical thirdDifferent at occlusal and ncisal third 58. In an infant, the gum pad is separated from palate by:Transverse grooveGingival grooveLateral sulcusDental groove 59. The most common pathogens responsible for nosocomial pneumonias in the ICU areGram negative organisms.Mycoplasma.Virus infections.Gram positive organisms. 60. When a calcified root canal cannot be located or instrumentedExtraction is the treatment of choice.It is no longer accessible to bacterial infection.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. 61. While obturation selection of master cone is based on:The cone should have a wiggly appearance and reach within 1mm of radiographic apexThe cone must fit well in the canal and be at the radiographic apexThe cone must bind loosely in the canal and reach within 1 mm of the radiographic apexThe cone must fit well in the apical third of the canal and be within 1mm of the radiographic apex 62. The most common pathway of glycolysisUrea pathwayPentose phosphate pathwayEmbden Meyerhof pathwayEntner Doudoroff pathway 63. The dentogingival unit is composed ofPDL fibers and gingival fibersJunctional epithelium and PDL fibersNone of the aboveJunctional epithelium and gingival fibers 64. Maxillary cast is attached to articulator by:Functional recordChanging incisal pinClinical recordUsing facebow 65. Identify the clasp assembly seen in the imageAker claspRPI claspI barRing clasp 66. 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 67. Which of the following is found in the respiratory zone of the lung?Main bronchiMucous cellsType I epithelial cellsGoblet cells 68. During inferior alveolar nerve block, the needle is located in:Massetric spaceTemporal spaceParotid spacePterygomandibular space 69. Space for eruption of permanent mandibular molars is created byResorption at the anterior border of the ramusApposition at the anterior border of ramusApposition of the alveolar processResorption at the posterior border of ramus 70. Which of the following statement(s) is(are) true regarding treatment of a tooth presenting with a sinus tract?Antibiotics are not needed.Treat with conventional root canal therapy.All of the above choices are true.The sinus tract should heal in 2 to 4 weeks after conventional root canal therapy. 71. Infection of dangerous area of face leads toCavernous sinus thrombosisBrain abscessLateral sinus thrombosisCortical venous thrombosis 72. Appliance shown in the picture is used for breaking which habitMouth BreathingNail BitingLip BitingThumb Sucking 73. Second gas effect is exerted by which of the following gas when coadministered with halothaneNitrous oxideHeliumCyclopropaneNitrogen 74. Bacterial enzyme which causes inactivation of allergy mediating immunoglobulinCatalaseHyaluronidaseProteasePeroxidase 75. The number of branches of the internal carotid artery in neck is /are :-TwoFourNoneOne 76. Dilatation of the pupil In head injury is due toall of the abovecompression of III cranial nervepontine haemorrhageCerebral Irritation 77. ehler danlos syndrome issex linked recessivesex linked dominantautosomal recessiveautosomal dominant 78. Which of the following soft tissues of the oro facial region mature first:LipsPosterior 1/3rd of tongueAll soft tissues mature simultaneouslyTip of tongue 79. Most common relationship of the primary molars in deciduous dentition:Mesial stepFlush terminal planeDistal stepAngle Class I 80. Distal part of the impacted third molar is covered by ascending ramus. What is the classificationDistoangular impactionPosition BType IClass II 81. Which of the following muscles adducts the vocal cords?Cricothyroid.Posterior cricoarytenoid.Vocalis.Lateral cricoarytenoid. 82. which of the following bacteria do not invade host tissue cellF.NucleatumP.gingivalisP.intermediaT.denticola 83. The type of bone present in the labial anterior teeth isExophyticCancellousOsteophyticCortical 84. Cubital tunnel syndrome occurs due to compression of which structure:Radial nerveBranchial arteryUlnar nerveMedian nerve 85. nikolsky sign is not seen inbullous Pemphigoidscalded skin syndromecicatricial PemphigoidTEN 86. impression material of choice in patients with submucous fibrosis isplaster of parisaddition siliconezinc oxide eugenolcondensation Silicone 87. A 6 year old patient reports with greenish blue swelling distal to deciduous 2nd molar. Treatment would be:No treatment, only observationInjecting proteolytic solution in the areaSurgical excision of flapBone graft 88. A general anesthetic should not be used for an elective surgical procedure in a patient with less than:12 grams Hb10 grams Hb19 grams Hb8 gams Hb 89. 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 developedhypercalcemia.osteoporosis.hyperchromatosis.diabetes mellitus. 90. Caisson diseaseFat embolismAmniotic fluid embolismGas embolismTumor embolism 91. Comprehensive school based dental care for whole country is adopted byNew ZealandAustraliaSwedenUSA 92. 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 93. an epidemiological index with a true biological gradient issimplified oral hygiene index-green and vermilionperiodontal index-RamfjordPMA index-Schour and maselerperiodontal index-russel 94. Which articulator is based on arbitary theories of motionMonsonTrumanGysiWhipmix 95. Which of the following is not true for lidocaineUndergoes extensive first pass metabolismIt is the most cardiotoxic sodium channel blockersInhibits both active and inactive Na channelMost physicians use IV lignocaine only in patients with ventricular arrhythmias 96. Diabetic patient with periodontitis have significantly higher level of ______________ in GCFAllInterleukin-1PGE2TNF 97. In an ideal Class I occlusion, the cusp of which mandibular tooth is in contact with the central fossa of the maxillary second molar?Mesiobuccal cusp of the second molar.Distobuccal cusp of the first molar.Distobuccal cusp of the second molar.Mesiobuccal cusp of the first molar. 98. Local anesthetics stop axonal conduction by blocking:Potassium channelsSodium channelsAll of the aboveCalcium channels 99. the correctly placed posterior palatal seal createsvaccum in posterior part of palatepartial vaccum beneath the maxillary denturea close adaptation of maxillary denture at tuberosityvaccum beneath the maxillary denture 100. Pyruvate kinase is inhibited byFructose-1,6 biphosphateATPInsulinAll of the above 101. Diagnodent is based on theVisible lightLaserNano technologySound wave 102. Angulation of needle during suturing as the needle enters the tissue:45 degrees135 degrees90 degreesAs close to 0 degree as possible 103. Right 12th nerve damage leads toTongue deviation to right on protrusionNasal twang to voiceScanning speech defectsTongue deviation to left on protrusion 104. an Angle Class I occlusion, the mesiobuccal cusp of the maxillary first molar occludes withmesiobuccal groove of the mandibular first molar.mesiobuccal cusp of the mandibular first molar.mesial marginal ridge of the mandibular first molar.central fossa of the mandibular first molar. 105. 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 inCongenital stagePrimary stageTertiary stageSecondary stage 106. 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 has an inflamed PDL.Further testing is necessary to make a definitive diagnosis.The tooth needs root canal therapy.The tooth is necrotic. 107. Nerve supply to musculature of tongue is:HypoglossalFacialGlossopharyngealVagus 108. Proper radiographic infection control includes all of the following except one. Which one is the exception?Wearing gloves while making radiographsCovering working surfaces with barriersDisinfecting x-ray machine surfaceSterilizing film packets 109. Statins are used for cholesterol reduction, It antagonises HMG COA reductase. What kind of inhibition is seenNon specificCompetitiveNon competitiveFunctional 110. which of the following is required for conversion of prothombin to thrombinthromboplastinlabile factorstable factorfibrin 111. The most common congenitally missing primary tooth is the:Primary mandibular caninePrimary maxillary caninePrimary mandibular first molarPrimary maxillary lateral incisor 112. 2% solution of copper sulphate followed by sodium bicarbonate application is needed for treatingPhenolic burnsAcid burnsPhosphorus burnsAlkali burns 113. Sulphonamides act byNon competitive inhibitionNone of theseAllosteric inhibitionCompetitive inhibition 114. Most common cause of seizures in a patient of AIDS isCryptococcal meningitisToxoplasmosisCNS lymphomaProgressive multifocal leucoencephalopathy 115. The crowns of all 20 primary teeth begin to calcify between:4 to 6 months in utero1 to 2 months in utero8 to 9 months in utero2 to 3 months in utero 116. Which is the earliest symptom of ParkinsonismChoreaTremorsRigidityBradykinesia 117. Candida albicans causes all of the following exceptMeningitisMycetomaOral thrushEndocarditis 118. a patient sustains an injury to mandible. Which is the best projection for evaluation of the condylar neck and ramus areaWaterslateral cephSubmentovertexReverse towne 119. 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 central incisorThe primary maxillary lateral incisor 120. 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 syndromescabieswegener's granulomatosispoisoning by lead or other heavy metal poisoning 121. All of the following are morphological neurological complication of measles exceptOptic neuritisTransverse myelitisEncephalitisSSPE 122. Most of the drug resistance occurs due toTransductionMutationConjugationTransformation 123. Morphine a powerful opioid analgesic drug shuld be avoided in all of the following conditions exceptPancreatitisBronchial asthmaLeft ventricular failureConstipation 124. Aminoglycosides cause all of the following exceptCardiotoxicityOtotoxicityNephrotoxicityneuromuscular blockade 125. 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 pulpitispulp necrosisasymptomatic apical periodontitissymptomatic irreversible pulpitis 126. 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?Distolingual cusp of the maxillary first molar.Mesiolingual cusp of the maxillary second molar.Distolingual cusp of the maxillary second molar.Mesiolingual cusp of the maxillary first molar. 127. An ovoid radiolucency found located in the inferior border of posterior mandible region, which contains salivary gland tissue isaneurysmal bone cystresidual cystStafne cystCentral giant cell granuloma 128. Which of the following is the best indication for transfer of maternal blood components to an infant:Platelets to prevent NAITPlasma to prevent ITPPlasma to prevent NAIT (Neonatal Alloimmune Idiopathic thrombocytopenia)RBCs to prevent TA-GVH 129. Not a part of RED complex:ActinomycetemcomitansP forsythusP gingivalisP denticola 130. Maxillary sinus is seen inReverse Towne projectionWaters viewPA viewSubmento vertex 131. Sickle cell anaemia is caused due to:Substitution of ketoglutarate by valineSubstitution of glutamic acid by valineSubstitution of valine by glutamic acidSubstitution of valine by ketoglutarate 132. Hemolytic Streptococci can cause serious cross infections in hospital settings. These bacteria usually harbor which site in health workers working in the hospitals:SkinHairThroatNails 133. Excessive bleeding occurring during oral surgery can be minimized by maintaining the patient atHead downProneHead upSupine 134. Which of the following is a cause of delayed healing of a fracture:HypercholesterolemiaHypertensionObesityInadequate immobilization 135. Which of the following serves as a principal source of carbon for nonessential amino acidscarbohydratesfatswaterurea 136. All of the following statements about pain are correct exceptNaloxane is a non competitive antagonist and irreversibly opposes the opioidsNSAIDS benefit by preventing prostaglandin synthesisDysphoria is associated with 'k' receptorsAnalgesia is associated with 'u' and 'k' receptors 137. Most common site of zygomatic arch fracture isposterior to itZT sutureanterior to itNo specific location 138. Which one of the following is a good index of the severity of an acute disease?Five year survival.Case fatality rate.Standardized mortality ratio.Cause specific death rate. 139. Modes of attachment of calculus to the tooth surface include all of the following, EXCEPTAttachment by means of an inorganic pelliclePenetration of calculus bacteria into cementumMechanical locking into surface irregularitiesClose adaptation to unaltered cementum 140. NSAID given in once daily dose isPiroxicamNaproxenParacetamolketorolac 141. Necrotizing ulcerative gingivitis (NUG) and acute herpetic gingivostomatitis can be differentiated clinically by (the)lymphadenopathy.location of the lesions.temperature of the patient.pain. 142. Which of the following movements are performed by a non-working condyleDownwards Forwards LateralDownwards Forwards MedialStraight forwardDownwards Backwards Medial 143. Which index correlates the maturational status of a tooth to its developmental stage:Demerijian IndexRoot transparencyGustaffsonSchour and Massler 144. True about hemorrhagePrimary hemorrhage occur within 24 hr postoperativeNone of above is correctReactionary hemorrhage occur at the time of surgerySecondary hemorrhage occur 7 to 14 days postoperative 145. What type of movement is shown here? TranslationRotationTippingIntrusion 146. 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 -Chi square testTwo way ANOVAOne way ANOVAStudent t test 147. Which of the following statements is true regarding the choice between doing a composite or amalgam restoration?Establishing restored proximal contacts is easier with composite.The amalgam is more difficult and technique sensitive.The composite generally uses a more conservative tooth/cavity preparation.Only amalgam should be used for Class II restorations. 148. Widest spectrum aminoglycoside isAmikacinNetimicinStreptomycinFramycetin 149. 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?Factor XIIIHigh molecular weight kininogen (HMWK)PlasminogenThrombin 150. Which of the following is evident on the radiographHamular processMedial pterygoid plateConchaeCoronoid proess 151. Most common presentation of extrapulmonary TBPericardial TBTubercular lymphadenitisTubercular meningitisPeritoneal TB 152. Actinomycosis is sensitive toStreptomycinLodox-uridinePenicillinNystatin 153. RPI clasp in a distal extension cast partial dentureIs contraindicatedProvides push type retentionUsed for buccally tilted molarProvides pull type retention 154. An overextended distobuccal corner of a mandibular denture will push against which muscle during functionZygomaticusTemporalisOrbicularis orisMassater 155. The picture below shows which of the following combination of orthognathic surgeriesBilateral sagittal osteotomy and subapical osteotomyBilateral sagittal osteotomy and genioplastyLe Fort III osteotomy and bilateral sagittal osteotomyLe Fort I osteotomy and bilateral sagittal osteotomy 156. 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?Tachycardia with hypertensionSinus arrhythmia with hypotensionBradycardia with hypertensionBradycardia with hypotension 157. In which surveyor,spring mounted horizontal arm is seenNeyNone of the aboveJelenkoWilliams 158. Hallucinations are seen after following anaesthesiaThiopentoneFentanylKetamineNitorus oxide 159. In which part of oral cavity mucous menbrane is the thinnestFloor of mouthSoft palateLabial mucosaBuccal mucosa 160. If gold content of the alloy decreases:Strength increases, ductility decreasesBoth strength and ductility decreasesStrength decreases, ductility increasesBoth strength and ductility increases 161. hydroxylation of phenylalanine to tyrosine requiresTetrahydrofolateS-adenosyl methioninePyridoxal phosphatetetrahydrobiopterin 162. A light bluish dome shaped lesion on the inside lip of a 2 yr old child is mostlyHemangiomaMelanomaMucoceleHematoma 163. replacing alanine by which amino acid will increase UV absorption of protein at 280um wavelengthleucinetryptophanprolinearginine 164. Beta subunit of insulin receptor binds toIP3-DAGGuanylyl cyclaseadenylyl cyclaseTyrosine kinase 165. Buprenorphine isNonePure agonistPure antagonistPartial agonist 166. Least diffusible ion among followingureaK +Na +Cl - 167. Primary teeth are lighter than permanent teeth because Lighter color of enamelDifference in crystalline structure makes refractive index differentBecause of contrast with the adjacent tissueThin dentin in primary teeth 168. Young's modulus is defined as:Limit where a material shows plastic defonnationStress/strain above elastic limitArea under the stress strain curve till point of fractureStress/strain below elastic limit 169. A patient with hereditary fructose intolerance is deficient in which of the following enzymesAll of the aboveTriokinaeAldolaseFructokinase 170. Diameter of adult tooth brush range0.010-0.0120.004-0.0070.007-0.0150.006-0.009 171. Pulse rate in infant is normally:130 beats/min100 beats/min60 beats/min80 beats/min 172. Which of these amino acids does not enter the krebs cycle by forming Acetyl-CoA via pyruvateGlycineAlanineTyrosineHydroxyproline 173. Best view for horizontally favourable and unfavourable angle fracture:PA towne's viewLateral obliquePA CephOPG 174. Co-factor for phosphofructokinase isMgFeMnZn 175. Most common tumour of mandible in India is:OsteoclastomaSquamous cell carcinomaOsteogenic sarcomaAdammitinoma 176. dental impression compound is characterised by having aspecific melting pointcrystalline atomic structurecross linkage reaction upon heatingrelatively low thermal conductivity 177. At what age the calcification of deciduous teeth startsFourth month of fetal lifeSeventh month of fetal lifeSixth month of fetal lifeSecond month of fetal life 178. Osteotomes differ from chisels In that they areBi-bevelledSharpNon bevelledSlightly curved 179. In Steiner's analysis, SNA is 82 degrees. This indicates:Mandibular protrusionMaxillary protrusionMaxillary retrusionNormal maxillary base 180. True regarding Non accidental traumatic fractures all except:Metaphyseal corner fractureParietal fractureSternal fractureCostochondral joint fracture 181. The propylene glycol in IV valium can cause:phlebitissyncopea unilateral facial paralysiscellulitis 182. The blood in vessels normally doesn't clot because:Vascular endothelium is smooth and coated with glycocalyxThrombin has positive feedback on plasminogenVit K Antagonists are present in plasmaSodium citrate in plasma chelates Ca ions 183. Polyglycolic acid suture is:Nonabsorbable synthetic sutureNonabsorbable natural sutureAbsorbable natural sutureAbsorbable synthetic suture 184. The term "balanced anaesthesia" has been given bylundyFischerSimpsonMortan 185. Virus is usually cultured in:Sabourouds mediumRogosa blood agarEmbryonated hen eggsNon embryonated hen eggs 186. Snow man appearance or figure of 8 appearance is seen inTransposition of great arteriesTricuspid atresiaTotal anomalous pulmonary venous connectionTetralogy of fallot 187. Exclusive of third molars, the permanent dentition is usually completely erupted by the age of15 to 17 years.18 to 21 years.9 to 11 years.12 to 14 years. 188. Which of the following orthognathic surgery is shown in pictureSagittal split osteotomyInferior border modificationLe Fort I advancementLe Fort III advancement 189. Which of the following is the normal arrangement of lingual nerve and vessels in the tongue from medial to lateral?Vein, artery and nerve.Artery, nerve and vein.Nerve, artery and vein.Nerve, artery. 190. Stage of surgical anesthesia during ether administration isLoss of consciousness to beginning of regular respirationLoss of consciousnessRegular respiration to cessation of breathingFailure of circulation 191. According to Cron, the tooth starts erupting afterOne half of the root is formedThree fourths of the root formation is completeThe entire root is formedOne fourth of the root is formed 192. Not an extrinsic membrane of larynxHypoepigloticThyrohyoidCricotrachealCricothyroid 193. 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 survey30040015001200 194. Methemoglobinemia true is:Iron is oxidizedAlteration of globin chainsOxidation of cytochrome oxidaseIncreased oxygen binding capacity 195. Microorganisms associated with periodontal health are all of the following, EXCEPT:viscosusP. gingivalisP. IntermediaS. Sanguis 196. Which of the following is evident on the radiographSinus mucositisRetianed rootSialolithAntrolith 197. 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?Extract it under laReassure the parents as root will develop laterSelective grinding & let it remainExtract the structure under GA 198. Which hormone increases the gingival vascular permeability and increases chances of gingival disease caused by infective micro-organismsOxytocinEstrogenProgestoeroneHuman chorionic gonadotropin 199. A patient has Hemoglobin of 6 gm%. Which of the following should not be administered:Packed red cellsWhole bloodFresh frozen plasmaRandom donor platelets 200. Kennedy applegate classification of partially edentulous arch does not allow consideration ofDifferentiation between tooth borne and tooth tissue supportedVisualizationLength of the edentulous spacesUniversal acceptance 201. Leeway space is due tospace differential between deciduous canine and molar and their succadaneous permanent teethspace differential between deciduous incisors and their succedaneous permanent teethnonedifference between deciduous and permanent maxillary canines 202. Alkaptonuria an inherited metabolic disorder is due to defiiciency ofCystathionaseHomogentisate oxidaseTyrosine transaminasePhenylalanine hydroxylase 203. the heat treatment of soaking the alloy at a high temp to produce a solid solution followed by quenching is known assolution heat treatmentage hardeningstrain hardening heat treatmentliquid heat treatment 204. Which of the following regions of the nephron is capable of the greatest level of sodium reabsorption?Collecting ductDistal convoluted tubuleThick ascending limb of the loop of HenleProximal convoluted tubule 205. Facial index of 85.6% means:Euryprosopic faceHypereuryprosopic faceMesoprosopic faceLeptoprosopic face 206. Which projection is best for examining zygomatic arch fractures?Reverse Towne projectionSubmentovertex projectionWaters projectionLateral cephalometric projection 207. Toxoids arenon-antigenic and toxicantigenic and toxicnon-antigenic and non-toxicantigenic and non-toxic 208. In the drawing below, which area stabilizes the clamp to the tooth.ACBD 209. Identify the salivary gland tumor which has marked tendency to spread through perineural spacesAdenoid cystic carcinomaPleomorphic adenomaWarthins tumorMucoepidermoid carcinoma 210. Iron is absorbed fromIleumDuodenumstomachJejunum 211. Pleoniorphic' shape of bacteria signifies:Long rods shaped bacteriaNon specific shapeIrregular clusters of bacteriaDumb-bell shaped bacteria 212. Vertical food Impaction can be due to all exceptPeriodontal destructionOpen contacts between adjacent toothDifference between adjacent tooth marginal ridges and at irregular levelPlunger cusp 213. All are of adult size at birth exceptTympanic CavityMaxillary antrumMastoid antrumEar osscicle 214. The auriculotemporal nerve encircles which of the following vessels?Maxillary artery.Deep auricular artery.Superficial temporal artery.Middle meningeal artery. 215. EB virus is associated with which carcinoma:Nasopharyngeal carcinomaCarcinoma of larynxChronic lymphocytic leukemiaCarcinoma of bladder 216. Heparin is secreted by:Mast cellT lymphocytesPlasma cellsPlatelet 217. Antrum of highmore' is nother name ofSphenoid sinusFrontal sinusMaxillary sinusEthmoidal sinus 218. iron deficiency anemia showsincrease in transferrin receptorsincrease in transferrin saturationTIBC decreasedTIBC is increases 219. All of the following statements are true except:The crown surfaces of all primary teeth are much smoother than the permanent teethThe pulp cavities are proportionately larger in the primary teethIn general, the crowns of primary teeth are more bulbous and constricted than the permanent counterpartThe primary teeth are darker in color than the permanent teeth 220. which of the following is used to detect the chromosomal differences between neoplastic cells and their normal counterpartsPCRwestern blottingComparative genomic hybridizationSpectral karyotyping 221. dental plaster powder and dental stone powder differ mainly inshelf lifeparticle porositysolubilitychemical formula 222. 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 223. "Classical phenyl ketonuria" is caused by deficiency ofPhenylalanine hydroxylasePhenylalanine transaminaseTyrosine hydroxylaseTyrosine transaminase 224. Which of the following is most likely to decrease in skeletal muscles during exercise?Lactic acid concentrationArteriolar resistanceSympathetic nervous activityCarbon dioxide concentration 225. Immunity that is conferred to the foetus by transfer of IgG and IgA antibodies is called asActive acquired immunityPassive natural immunityPassive acquired ImmunityNatural active immunity 226. Medial squint occurs due to lesion of:Abducent nerveOptic nerveOcculomotor nerveTrochlear nerve 227. Cardiac arrythmias are most commonly seen during administration ofEtherNitrous oxideHalothaneThiopental 228. A facebow is used to record theincisal guidance.vertical dimension of occlusion.relationship of the maxilla to the horizontal hinge axis.horizontal condylar inclination. 229. Killer and Helper cells are part of:MonocytesT cellsB cellsMacrophage 230. Most commonly used blade for oral cavity:No.9No. 11No. 12No. 15 231. Which of these is not a part of ethmoid boneAgger nasi cellsUncinate processCribriform plate or crista galiInferior turbinate 232. The hypercalcification lines that separate lamellae of cellular cementum from that of acellular cementum are known asPerikymatanone ofThe aboveIncremental linesLines of retzius 233. A Common site for intramuscular injection in adults:DeltoidVastus intermediusGluteus maximusPectoralis major 234. True about carbamoyl phosphate synthaseMitochondrial enzymeCytosolic enzymeAll are trueCatalyses condensation reaction 235. Effects associated with cold working i.e lowered ductility and distorted grains can be eliminated by process known asAnnealingEutecticStrain hardeningConcentricity 236. A divided pulp canal is most likely to occur in theroot of a maxillary central incisorroot of a maxillary caninelingual root of a maxillary 1st molarroot of a mandibular canine 237. Wernicke's area is associated with:Long term memoryThoughtAssociation of tasksLanguage interpretation 238. 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?Enhanced sensitivity to vagal stimulationDirect release of bronchoconstrictor mediatorsInhibition of cyclooxygenase pathwayType I hypersensitivity reaction 239. which of the following is the least radiosensitive tissuesconnective tissue cell,endothelial cell,muscle cellRBC,muscle cell,nerve cellWBC,bone cells,epithelial cellsmuscle cells,nerve cells,bone cells 240. Which of the following bacteria are most commonly associated with pregnancy associated gingivitis?S.oralisB. ForsythusP. IntermediaP. Gingivalis 241. Which of the following lung volumes or capacities cannot be measured directly using simple spirometry?Inspiratory reserve volumeExpiratory reserve volumeFunctional residual capacityTidal volume 242. Which of the following test is used to compare the chromosomes between normal and neoplastic cells or for detecting genetic transfer of disease:Western BlottingComparative genomic hybridizationSouthern blottingPCR Loading...