1. Best test to evaluate syphilis after treatment isFTA-ABSTPAVDRLTPHA 2. Cardiac arrythmias are most commonly seen during administration ofNitrous oxideEtherHalothaneThiopental 3. Which of these amino acids does not enter the krebs cycle by forming Acetyl-CoA via pyruvateAlanineGlycineTyrosineHydroxyproline 4. What role do the lungs play in the pathogenesis of systemic hypertension?The alveolar capillaries contain angiotensin-converting enzyme (ACE)The alveolar capillaries contain aldosteroneThe type II pneumocytes contain aldosteroneThe alveolar capillaries contain antidiuretic hormone (ADH) 5. Which of the following is the best indication for transfer of maternal blood components to an infant:RBCs to prevent TA-GVHPlatelets to prevent NAITPlasma to prevent ITPPlasma to prevent NAIT (Neonatal Alloimmune Idiopathic thrombocytopenia) 6. The auriculotemporal nerve encircles which of the following vessels?Maxillary artery.Middle meningeal artery.Deep auricular artery.Superficial temporal artery. 7. All of the following are morphological neurological complication of measles exceptOptic neuritisTransverse myelitisSSPEEncephalitis 8. Killer and Helper cells are part of:T cellsB cellsMonocytesMacrophage 9. Which of the following muscles adducts the vocal cords?Posterior cricoarytenoid.Lateral cricoarytenoid.Vocalis.Cricothyroid. 10. type of collagen present in hyaline cartilage istype IVtype IItype IIItype I 11. Vertical food Impaction can be due to all exceptPlunger cuspOpen contacts between adjacent toothPeriodontal destructionDifference between adjacent tooth marginal ridges and at irregular level 12. A divided pulp canal is most likely to occur in theroot of a maxillary caninelingual root of a maxillary 1st molarroot of a mandibular canineroot of a maxillary central incisor 13. In which surveyor,spring mounted horizontal arm is seenNeyJelenkoWilliamsNone of the above 14. If gold content of the alloy decreases:Both strength and ductility increasesBoth strength and ductility decreasesStrength increases, ductility decreasesStrength decreases, ductility increases 15. nikolsky sign is not seen inTENcicatricial Pemphigoidbullous Pemphigoidscalded skin syndrome 16. All are of adult size at birth exceptTympanic CavityEar osscicleMastoid antrumMaxillary antrum 17. 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 18. Which of the following is found in the respiratory zone of the lung?Main bronchiGoblet cellsMucous cellsType I epithelial cells 19. A major difference between total-etch and selfetching primer dentin bonding systems include all of the following except _____.The bond strengths to enamelThe time necessary to apply the material(s)The amount of smear layer removedThe need for wet bonding 20. 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 testOne way ANOVAStudent t testTwo way ANOVA 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 developeddiabetes mellitus.hypercalcemia.hyperchromatosis.osteoporosis. 22. Which one of the following skeletal muscle relaxants causes pain on injectionVecuroniumRocuroniumpancuroniumSuccinyl choline 23. ____ is degraded by Streptococcus mutans into ____ and ___ , thereby causing caries initiation and progression.sucrose, glucose, acetic acidsucrose, glucans, lactic acidglucose, glucans, lactic acidglucose, sucrose, acetic acid 24. 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 survey12003004001500 25. which of the following is used to detect the chromosomal differences between neoplastic cells and their normal counterpartsComparative genomic hybridizationwestern blottingSpectral karyotypingPCR 26. Effects associated with cold working i.e lowered ductility and distorted grains can be eliminated by process known asConcentricityStrain hardeningAnnealingEutectic 27. Pentameric structure:IgDIgAIgMIgG 28. Stage of surgical anesthesia during ether administration isLoss of consciousness to beginning of regular respirationRegular respiration to cessation of breathingLoss of consciousnessFailure of circulation 29. 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 syndromepoisoning by lead or other heavy metal poisoningscabieswegener's granulomatosis 30. Right 12th nerve damage leads toScanning speech defectsTongue deviation to right on protrusionNasal twang to voiceTongue deviation to left on protrusion 31. With advancing age pattern of bone resorption in mandible becomes:CentrifugalCentrifugal anteriorly, centripetal posteriorlyCentripetalDepends upon stage 32. Which of the following orthognathic surgery is shown in pictureInferior border modificationLe Fort I advancementLe Fort III advancementSagittal split osteotomy 33. The hypercalcification lines that separate lamellae of cellular cementum from that of acellular cementum are known asIncremental linesnone ofThe abovePerikymataLines of retzius 34. Iron is absorbed fromDuodenumIleumstomachJejunum 35. With incresed age and irritation which form of dentin is laid downRepairative dentinSclerotic dentinEburnated dentinSecondary dentin 36. 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.Distolingual cusp of the maxillary second molar.Mesiolingual cusp of the maxillary second molar.Distolingual cusp of the maxillary first molar. 37. Second gas effect is exerted by which of the following gas when coadministered with halothaneHeliumNitrogenCyclopropaneNitrous oxide 38. Heparin is secreted by:Plasma cellsT lymphocytesPlateletMast cell 39. Buprenorphine isNonePure antagonistPartial agonistPure agonist 40. In the drawing below, which area stabilizes the clamp to the tooth.ABCD 41. 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?PlasminogenFactor XIIIHigh molecular weight kininogen (HMWK)Thrombin 42. All of the following statements about pain are correct exceptDysphoria is associated with 'k' receptorsNSAIDS benefit by preventing prostaglandin synthesisNaloxane is a non competitive antagonist and irreversibly opposes the opioidsAnalgesia is associated with 'u' and 'k' receptors 43. Following is added to zinc polycarboxylate to improve its manageability:Magnesium oxideStrontium fluorideAluminium oxideStannous fluoride 44. What type of movement is shown here? IntrusionRotationTippingTranslation 45. 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?symptomatic irreversible pulpitisreversible pulpitispulp necrosisasymptomatic apical periodontitis 46. Most common form of brain herniation isTransfacial herniationTranstentorial herniationForaminal herniationTranscalvarial herniation 47. Maximum amount of air that can be inhaled:Dead spaceInspiratory reserve volumeTidal capacityVital capacity 48. According to Cron, the tooth starts erupting afterThree fourths of the root formation is completeOne fourth of the root is formedOne half of the root is formedThe entire root is formed 49. Pulse rate in infant is normally:130 beats/min100 beats/min60 beats/min80 beats/min 50. Maxillary 1st molar cusp used in Angle classificationMesiobuccalDistolingualDistobuccalMesiolingual 51. Widest spectrum aminoglycoside isNetimicinStreptomycinAmikacinFramycetin 52. Maxillary sinus is seen inWaters viewReverse Towne projectionPA viewSubmento vertex 53. impression material of choice in patients with submucous fibrosis isplaster of pariszinc oxide eugenoladdition siliconecondensation Silicone 54. 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 hybridizationPCRSouthern blotting 55. Modes of attachment of calculus to the tooth surface include all of the following, EXCEPTAttachment by means of an inorganic pellicleMechanical locking into surface irregularitiesPenetration of calculus bacteria into cementumClose adaptation to unaltered cementum 56. RPI clasp in a distal extension cast partial dentureUsed for buccally tilted molarIs contraindicatedProvides push type retentionProvides pull type retention 57. Identify the salivary gland tumor which has marked tendency to spread through perineural spacesPleomorphic adenomaAdenoid cystic carcinomaWarthins tumorMucoepidermoid carcinoma 58. Angulation of needle during suturing as the needle enters the tissue:90 degrees135 degreesAs close to 0 degree as possible45 degrees 59. Polyglycolic acid suture is:Absorbable synthetic sutureAbsorbable natural sutureNonabsorbable synthetic sutureNonabsorbable natural suture 60. Increasing urine flow rate from 1 mL/min to 10 mL/min will significantly increase the clearance ofinulincreatininepenicillinurea 61. Leeway space is due todifference between deciduous and permanent maxillary caninesnonespace differential between deciduous incisors and their succedaneous permanent teethspace differential between deciduous canine and molar and their succadaneous permanent teeth 62. Diamonds remove tooth structure more efficiently than steel burs, but they leave undesirably rough surfaces and irregular cavosurface finish lines.Both the statements are correctThe first statement is false, but the second is correctBoth the statements are falseThe first statement is correct, but the second is false 63. Which of the following lung volumes or capacities cannot be measured directly using simple spirometry?Functional residual capacityInspiratory reserve volumeTidal volumeExpiratory reserve volume 64. All of the following statements are true except:The crown surfaces of all primary teeth are much smoother 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 teethThe primary teeth are darker in color than the permanent teeth 65. Hemolytic Streptococci can cause serious cross infections in hospital settings. These bacteria usually harbor which site in health workers working in the hospitals:ThroatSkinNailsHair 66. Multiple drug resistance is transferred throughtransductionmutationconjugationTransformation 67. Diabetic patient with periodontitis have significantly higher level of ______________ in GCFPGE2AllTNFInterleukin-1 68. Caisson diseaseFat embolismTumor embolismAmniotic fluid embolismGas embolism 69. Infection of dangerous area of face leads toLateral sinus thrombosisBrain abscessCavernous sinus thrombosisCortical venous thrombosis 70. Co-factor for phosphofructokinase isZnMgFeMn 71. an Angle Class I occlusion, the mesiobuccal cusp of the maxillary first molar occludes withcentral fossa of the mandibular first molar.mesiobuccal groove of the mandibular first molar.mesial marginal ridge of the mandibular first molar.mesiobuccal cusp of the mandibular first molar. 72. A trauma patient with bleeding in emergency is not able to maintain tongue position voluntarilyThe tongue is best managed byDeep suture and tractionIntubation and definite airwayHold tongue with towel dipOropharyngeal airway 73. Proper radiographic infection control includes all of the following except one. Which one is the exception?Sterilizing film packetsDisinfecting x-ray machine surfaceCovering working surfaces with barriersWearing gloves while making radiographs 74. Possible etiology of internal resorption:The presence of low grade chronic pulpitisNecrosis of pulpLuxation injuryFurcation involvement 75. In Steiner's analysis, SNA is 82 degrees. This indicates:Maxillary protrusionNormal maxillary baseMaxillary retrusionMandibular protrusion 76. Dontrix gauze is used to:Measure wire distortionMeasure strength of wireMeasure forceMeasure wire deformation 77. Direction of the enamel rods in the deciduous and permanent teeth isNone of the aboveDifferent at cervical thirdSame throughoutDifferent at occlusal and ncisal third 78. Suture with least adhesion to tissues and high plasticity is:NylonPDSPolyglycolateProlene 79. A patient has Hemoglobin of 6 gm%. Which of the following should not be administered:Random donor plateletsWhole bloodFresh frozen plasmaPacked red cells 80. Most common cause of seizures in a patient of AIDS isCryptococcal meningitisCNS lymphomaToxoplasmosisProgressive multifocal leucoencephalopathy 81. An overextended distobuccal corner of a mandibular denture will push against which muscle during functionOrbicularis orisTemporalisZygomaticusMassater 82. The propylene glycol in IV valium can cause:a unilateral facial paralysiscellulitissyncopephlebitis 83. Nerve supply to musculature of tongue is:VagusFacialHypoglossalGlossopharyngeal 84. 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?Inhibition of cyclooxygenase pathwayDirect release of bronchoconstrictor mediatorsType I hypersensitivity reactionEnhanced sensitivity to vagal stimulation 85. NSAID given in once daily dose isParacetamolketorolacPiroxicamNaproxen 86. Which of the following is evident on the radiographHamular processConchaeMedial pterygoid plateCoronoid proess 87. Which of the following has a non odontogenic originRadicular cystDentigerous cystSebaceous cystOKC 88. Morphine a powerful opioid analgesic drug shuld be avoided in all of the following conditions exceptLeft ventricular failurePancreatitisConstipationBronchial asthma 89. Immunity that is conferred to the foetus by transfer of IgG and IgA antibodies is called asPassive acquired ImmunityNatural active immunityPassive natural immunityActive acquired immunity 90. Excessive bleeding occurring during oral surgery can be minimized by maintaining the patient atProneHead downSupineHead up 91. The procedure shown in the picture isEsmarsh procedureIlizavrov’s procedureGap arthroplastyChampy’s plate 92. In an edentulous maxilla, the direction of resorption of the alveolar ridge isupward and facially.upward and palatally.uniform in all directions.upward only. 93. Which of the following is most likely to decrease in skeletal muscles during exercise?Sympathetic nervous activityArteriolar resistanceLactic acid concentrationCarbon dioxide concentration 94. Which of the following is evident on the radiographLateral luxationRoot fractureIntrusionExtrusion 95. In which part of oral cavity mucous menbrane is the thinnestLabial mucosaBuccal mucosaSoft palateFloor of mouth 96. During inferior alveolar nerve block, the needle is located in:Massetric spacePterygomandibular spaceTemporal spaceParotid space 97. Most common relationship of the primary molars in deciduous dentition:Flush terminal planeAngle Class IMesial stepDistal step 98. dental impression compound is characterised by having acrystalline atomic structurerelatively low thermal conductivityspecific melting pointcross linkage reaction upon heating 99. which of the following is the least radiosensitive tissuesmuscle cells,nerve cells,bone cellsWBC,bone cells,epithelial cellsconnective tissue cell,endothelial cell,muscle cellRBC,muscle cell,nerve cell 100. Necrotizing ulcerative gingivitis (NUG) and acute herpetic gingivostomatitis can be differentiated clinically by (the)temperature of the patient.pain.lymphadenopathy.location of the lesions. 101. a patient sustains an injury to mandible. Which is the best projection for evaluation of the condylar neck and ramus areaWatersReverse townelateral cephSubmentovertex 102. Which of the following is the normal arrangement of lingual nerve and vessels in the tongue from medial to lateral?Artery, nerve and vein.Nerve, artery.Vein, artery and nerve.Nerve, artery and vein. 103. Receptor for inverse Stretch reflexGolgi tendon organIntrafusal fibersMuscle spindleExtrafusal fibers 104. which of the following bacteria do not invade host tissue cellP.intermediaP.gingivalisF.NucleatumT.denticola 105. Distal part of the impacted third molar is covered by ascending ramus. What is the classificationClass IIDistoangular impactionType IPosition B 106. 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 teratogenSusceptibility to teratogens is variableTeratogens are chemical, physical, and biologic agents that cause developmental anomalies 107. A facebow is used to record thevertical dimension of occlusion.relationship of the maxilla to the horizontal hinge axis.incisal guidance.horizontal condylar inclination. 108. Bacterial enzyme which causes inactivation of allergy mediating immunoglobulinCatalasePeroxidaseProteaseHyaluronidase 109. For a dental hand instrument with a formula of 10-8.5-8, the number 10 refers to _____.The blade length, in millimetresThe blade angle, in centigradeThe primary cutting edge angle, in centigradesThe width of the blade, in tenths of a millimetre 110. Which index correlates the maturational status of a tooth to its developmental stage:Schour and MasslerDemerijian IndexRoot transparencyGustaffson 111. The crowns of all 20 primary teeth begin to calcify between:8 to 9 months in utero4 to 6 months in utero2 to 3 months in utero1 to 2 months in utero 112. EB virus is associated with which carcinoma:Nasopharyngeal carcinomaChronic lymphocytic leukemiaCarcinoma of bladderCarcinoma of larynx 113. Osteotomes differ from chisels In that they areBi-bevelledSlightly curvedNon bevelledSharp 114. Primary teeth are lighter than permanent teeth because Because of contrast with the adjacent tissueDifference in crystalline structure makes refractive index differentThin dentin in primary teethLighter color of enamel 115. Medial squint occurs due to lesion of:Optic nerveAbducent nerveTrochlear nerveOcculomotor nerve 116. Pyruvate kinase is inhibited byATPFructose-1,6 biphosphateInsulinAll of the above 117. iron deficiency anemia showsincrease in transferrin receptorsTIBC is increasesincrease in transferrin saturationTIBC decreased 118. Which hormone increases the gingival vascular permeability and increases chances of gingival disease caused by infective micro-organismsOxytocinProgestoeroneHuman chorionic gonadotropinEstrogen 119. an epidemiological index with a true biological gradient isperiodontal index-Ramfjordperiodontal index-russelPMA index-Schour and maselersimplified oral hygiene index-green and vermilion 120. Which of the following nutrients are not included in Total Parental NutritionLipidsProteinsCarbohydratesFibers 121. Cubital tunnel syndrome occurs due to compression of which structure:Radial nerveMedian nerveUlnar nerveBranchial artery 122. Which of these is not a part of ethmoid boneCribriform plate or crista galiInferior turbinateAgger nasi cellsUncinate process 123. A Common site for intramuscular injection in adults:DeltoidPectoralis majorVastus intermediusGluteus maximus 124. Cabbage-like odour is seen inPhenylketonuriaHartnup diseaseAlkaptonuriaTyrosinemia 125. Tanaka Johnson analysis uses width of which teeth to estimate the width of maxillary canine and premolars:Maxillary molarsMandibular incisorsMaxillary incisorsMandibular molars 126. 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 restorationFit the cervical margin of the proximal box looselyBe higher than the occlusal surface of the tooth 127. replacing alanine by which amino acid will increase UV absorption of protein at 280um wavelengthtryptophanarginineleucineproline 128. A patient with hereditary fructose intolerance is deficient in which of the following enzymesAldolaseTriokinaeFructokinaseAll of the above 129. A general anesthetic should not be used for an elective surgical procedure in a patient with less than:12 grams Hb19 grams Hb8 gams Hb10 grams Hb 130. The most common congenitally missing primary tooth is the:Primary mandibular caninePrimary maxillary caninePrimary mandibular first molarPrimary maxillary lateral incisor 131. Which of the following bacteria are most commonly associated with pregnancy associated gingivitis?B. ForsythusS.oralisP. GingivalisP. Intermedia 132. At what age the calcification of deciduous teeth startsSecond month of fetal lifeSeventh month of fetal lifeFourth month of fetal lifeSixth month of fetal life 133. Wernicke's area is associated with:ThoughtLanguage interpretationLong term memoryAssociation of tasks 134. Styloglossus action is:Retraction of tongueDepression of tongueElevation of tongueProtrusion of tongue 135. Dilatation of the pupil In head injury is due tocompression of III cranial nerveCerebral Irritationall of the abovepontine haemorrhage 136. Which of the following movements are performed by a non-working condyleDownwards Backwards MedialStraight forwardDownwards Forwards LateralDownwards Forwards Medial 137. hydroxylation of phenylalanine to tyrosine requirestetrahydrobiopterinPyridoxal phosphateTetrahydrofolateS-adenosyl methionine 138. The most common pathway of glycolysisPentose phosphate pathwayEntner Doudoroff pathwayEmbden Meyerhof pathwayUrea pathway 139. Which of the following is the most accurate to measure the height of the floor of the mouth?Use of periodontal probe and a special trayUsing a periodontal probeUse of a special trayUsing a straight probe 140. Candida albicans causes all of the following exceptMeningitisMycetomaOral thrushEndocarditis 141. Which articulator is based on arbitary theories of motionMonsonTrumanWhipmixGysi 142. Virus is usually cultured in:Sabourouds mediumRogosa blood agarNon embryonated hen eggsEmbryonated hen eggs 143. Not an extrinsic membrane of larynxThyrohyoidCricotrachealHypoepigloticCricothyroid 144. Which of the following is a cause of delayed healing of a fracture:Inadequate immobilizationHypercholesterolemiaObesityHypertension 145. True about charge in amino acidAmino group can form negative chargeCarboxyl group can form positive chargeNeutral at isoelectric pHAll of the above 146. 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 second molar.Mesiobuccal cusp of the second molar.Mesiobuccal cusp of the first molar.Distobuccal cusp of the first molar. 147. Best view for horizontally favourable and unfavourable angle fracture:PA CephPA towne's viewOPGLateral oblique 148. Type 1 muscle fibres arelargeAnerobicGlycolyticRed 149. ehler danlos syndrome isautosomal recessivesex linked recessivesex linked dominantautosomal dominant 150. 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.There is a root fracture present.There is inflammation in the PDL and the surrounding periodontium.The tooth is nonvital and should be treated with root canal therapy. 151. 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 testsStudent t testPaired t testChi square testANOVA 152. A light bluish dome shaped lesion on the inside lip of a 2 yr old child is mostlyMucoceleHemangiomaMelanomaHematoma 153. Diagnodent is based on theLaserSound waveNano technologyVisible light 154. Least diffusible ion among followingK +ureaNa +Cl - 155. JAK-STAT kinase receptors is associated withIP3-DAGIon channelsincreased c AMPNuclear transcription 156. Which of the following serves as a principal source of carbon for nonessential amino acidscarbohydrateswaterureafats 157. Sulphonamides act byNone of theseAllosteric inhibitionNon competitive inhibitionCompetitive inhibition 158. Rancid butter smelling of urine is seen inTyrosinemiaAlkaptonuriaHartnup diseasePhenylketonuria 159. Which of the following is not a technique for protein precipitationTrichloroacetic acidHeat precipitationIsoelectric point methodtitration with reducing sugar 160. the correctly placed posterior palatal seal createsvaccum in posterior part of palatevaccum beneath the maxillary denturea close adaptation of maxillary denture at tuberositypartial vaccum beneath the maxillary denture 161. The term "balanced anaesthesia" has been given byMortanSimpsonlundyFischer 162. the most important bufer system in the saliva isbicarbonate-carbonic acid buffersprotein buffersphosphate buffersall of the above 163. Toxoids areantigenic and toxicnon-antigenic and toxicnon-antigenic and non-toxicantigenic and non-toxic 164. Which of the following soft tissues of the oro facial region mature first:Posterior 1/3rd of tongueLipsTip of tongueAll soft tissues mature simultaneously 165. Which of the following regions of the nephron is capable of the greatest level of sodium reabsorption?Thick ascending limb of the loop of HenleCollecting ductProximal convoluted tubuleDistal convoluted tubule 166. When permanent maxillary lateral incisors are congenitally missing, the permanent canine may often erupt:May be congenitally missingMesial to the deciduous canineDistal to the deciduous canineBetween the two CIs 167. Which tooth is the only anterior tooth in either dentition to have a shorter inciso-cervical height than the mesio-distal width?The primary maxillary central incisorThe primary mandibular lateral incisorThe primary maxillary lateral incisorThe primary mandibular central incisor 168. In cardio pulmonary resuscitation chest compressions are done:On the left side of the chestOn the middle of the Lower part of the sternumOn the upper part of sternumOn the xiphisterum 169. Which vitamin is essential for metabolism of sulphur containing amino acidsVitamin CFolic acidBiotinThiamine 170. Identify the clasp assembly seen in the imageRPI claspRing claspAker claspI bar 171. Dental plaque containsSalivary products and food particlesBacteria and food productsBacteria and bacterial productspellicle and food 172. nickel is added to wrought gold alloys asage hardnerstrengthenerbalance of colorscavenger 173. Pleoniorphic' shape of bacteria signifies:Dumb-bell shaped bacteriaIrregular clusters of bacteriaNon specific shapeLong rods shaped bacteria 174. 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 the structure under GAReassure the parents as root will develop laterExtract it under laSelective grinding & let it remain 175. 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:Material albaCalculusChromogenic bacteriaNeonatal line 176. The number of branches of the internal carotid artery in neck is /are :-OneFourNoneTwo 177. Most common tumour of mandible in India is:AdammitinomaSquamous cell carcinomaOsteogenic sarcomaOsteoclastoma 178. True about hemorrhageReactionary hemorrhage occur at the time of surgerySecondary hemorrhage occur 7 to 14 days postoperativeNone of above is correctPrimary hemorrhage occur within 24 hr postoperative 179. Exclusive of third molars, the permanent dentition is usually completely erupted by the age of9 to 11 years.12 to 14 years.15 to 17 years.18 to 21 years. 180. which of the following is required for conversion of prothombin to thrombinfibrinstable factorlabile factorthromboplastin 181. 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.Further testing is necessary to make a definitive diagnosis.The tooth has an inflamed PDL. 182. Appliance shown in the picture is used for breaking which habitLip BitingNail BitingThumb SuckingMouth Breathing 183. Oronasal intubation is not indicated in:Le Fort II and III fracturesParietal bone fracturesLe Fort I fracturesMandibular fractures 184. When a calcified root canal cannot be located or instrumentedThe dentist must proceed with the understanding that an unexplored or unfilled canal is worse than a perforation.It is no longer accessible to bacterial infection.Extraction is the treatment of choice.Retrograde and replantation procedures should be considered. 185. The picture below shows which of the following combination of orthognathic surgeriesBilateral sagittal osteotomy and genioplastyLe Fort III osteotomy and bilateral sagittal osteotomyLe Fort I osteotomy and bilateral sagittal osteotomyBilateral sagittal osteotomy and subapical osteotomy 186. Alkaptonuria an inherited metabolic disorder is due to defiiciency ofTyrosine transaminaseHomogentisate oxidasePhenylalanine hydroxylaseCystathionase 187. Diameter of adult tooth brush range0.007-0.0150.010-0.0120.006-0.0090.004-0.007 188. Insulin does not facilitate glucose uptake in the following exceptLiverRBCKidneyHeart 189. Methemoglobinemia true is:Oxidation of cytochrome oxidaseAlteration of globin chainsIncreased oxygen binding capacityIron is oxidized 190. Lactate is formed in all exceptLensTestisRBCsBrain 191. Vertical dimension at rest can be defined asVertical dimension at occlusion multipied by freeway spaceVertical dimension at Occlusion plus freeway spacevertical dimension at occlusion minus freeway spaceVertical dimension at occlusion plus freeway space 192. dental plaster powder and dental stone powder differ mainly insolubilitychemical formulashelf lifeparticle porosity 193. the heat treatment of soaking the alloy at a high temp to produce a solid solution followed by quenching is known asstrain hardening heat treatmentliquid heat treatmentage hardeningsolution heat treatment 194. Local anesthetics stop axonal conduction by blocking:Potassium channelsCalcium channelsSodium channelsAll of the above 195. Which projection is best for examining zygomatic arch fractures?Lateral cephalometric projectionReverse Towne projectionSubmentovertex projectionWaters projection 196. Sickle cell anaemia is caused due to:Substitution of valine by ketoglutarateSubstitution of ketoglutarate by valineSubstitution of valine by glutamic acidSubstitution of glutamic acid by valine 197. In the maxilla the molar tooth germs develop, with their occlusal surfaces facing firstMesiallyLinguallyDistallyBuccally 198. 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 the apical portion of the root.The attainment of direct, straight-line access to canal orifices.The conservation of tooth structure. 199. Not a part of RED complex:P forsythusP gingivalisP denticolaActinomycetemcomitans 200. Antibody to HSV will begin to appearAntibodies are present In recurrent and chronic apthous stomatitis In a week and reach a peak in 3 weeksOnly after one yearNo antibodies are present in primary HSV 201. You are instrumenting a canal with a size 30, 25 mm k-type file. What does each of the sizes denote, respectively?The length of the file and the diameter of the tip of the fileThe diameter of the tip of the file and the length of the fileThe diameter of the tip of the file and the taper of the fileThe taper of the file and the length of the file 202. Snow man appearance or figure of 8 appearance is seen inTricuspid atresiaTotal anomalous pulmonary venous connectionTransposition of great arteriesTetralogy of fallot 203. Kennedy applegate classification of partially edentulous arch does not allow consideration ofVisualizationLength of the edentulous spacesUniversal acceptanceDifferentiation between tooth borne and tooth tissue supported 204. Most common site of zygomatic arch fracture isanterior to itposterior to itZT sutureNo specific location 205. Young's modulus is defined as:Area under the stress strain curve till point of fractureStress/strain above elastic limitStress/strain below elastic limitLimit where a material shows plastic defonnation 206. "Classical phenyl ketonuria" is caused by deficiency ofTyrosine transaminasePhenylalanine hydroxylasePhenylalanine transaminaseTyrosine hydroxylase 207. 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?Bradycardia with hypertensionSinus arrhythmia with hypotensionBradycardia with hypotensionTachycardia with hypertension 208. Facial index of 85.6% means:Euryprosopic faceLeptoprosopic faceHypereuryprosopic faceMesoprosopic face 209. While obturation selection of master cone is based on:The 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 apexThe cone should have a wiggly appearance and reach within 1mm of radiographic apexThe cone must bind loosely in the canal and reach within 1 mm of the radiographic apex 210. Actinomycosis is sensitive toPenicillinStreptomycinLodox-uridineNystatin 211. Elevation of glucose by corticosteroids is counteracted by insulin is an exampleNoncompetitive antagonismCHEMICAL antagonismPhysiological antagonismCompetitive antagonism 212. A 6 year old patient reports with greenish blue swelling distal to deciduous 2nd molar. Treatment would be:Injecting proteolytic solution in the areaSurgical excision of flapBone graftNo treatment, only observation 213. Hallucinations are seen after following anaesthesiaKetamineFentanylNitorus oxideThiopentone 214. After spleenectomy patient becomes more prone toGram -ve & anaerobicGram +ve & anaerobicNon-encapsulatedEncapsulated organisms 215. In an infant, the gum pad is separated from palate by:Lateral sulcusDental grooveTransverse grooveGingival groove 216. Which of the following is not true for lidocaineInhibits both active and inactive Na channelIt is the most cardiotoxic sodium channel blockersUndergoes extensive first pass metabolismMost physicians use IV lignocaine only in patients with ventricular arrhythmias 217. Antrum of highmore' is nother name ofMaxillary sinusFrontal sinusSphenoid sinusEthmoidal sinus 218. Most common presentation of extrapulmonary TBTubercular meningitisPericardial TBTubercular lymphadenitisPeritoneal TB 219. Krebs cycle does not occur inHeartAll of the aboveMuscleRBC 220. Maxillary cast is attached to articulator by:Using facebowChanging incisal pinFunctional recordClinical record 221. The dentogingival unit is composed ofJunctional epithelium and PDL fibersJunctional epithelium and gingival fibersNone of the abovePDL fibers and gingival fibers 222. Which of the following is evident on the radiographSialolithSinus mucositisRetianed rootAntrolith 223. The type of bone present in the labial anterior teeth isOsteophyticCorticalCancellousExophytic 224. Statins are used for cholesterol reduction, It antagonises HMG COA reductase. What kind of inhibition is seenNon specificCompetitiveNon competitiveFunctional 225. Which one of the following is a good index of the severity of an acute disease?Case fatality rate.Standardized mortality ratio.Five year survival.Cause specific death rate. 226. Comprehensive school based dental care for whole country is adopted byUSAAustraliaSwedenNew Zealand 227. True about carbamoyl phosphate synthaseCytosolic enzymeCatalyses condensation reactionAll are trueMitochondrial enzyme 228. Neonatal teeth arePresent within 45 days of birthErupt within 30 days of birthPresent 180 days after birthPresent at birth 229. Which is the earliest symptom of ParkinsonismRigidityBradykinesiaTremorsChorea 230. Most commonly used blade for oral cavity:No. 11No. 12No.9No. 15 231. Beta subunit of insulin receptor binds toGuanylyl cyclaseadenylyl cyclaseIP3-DAGTyrosine kinase 232. The blood in vessels normally doesn't clot because:Thrombin has positive feedback on plasminogenVit K Antagonists are present in plasmaVascular endothelium is smooth and coated with glycocalyxSodium citrate in plasma chelates Ca ions 233. The most common pathogens responsible for nosocomial pneumonias in the ICU areMycoplasma.Gram positive organisms.Gram negative organisms.Virus infections. 234. 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.Antibiotics are not needed.The sinus tract should heal in 2 to 4 weeks after conventional root canal therapy.Treat with conventional root canal therapy. 235. Space for eruption of permanent mandibular molars is created byResorption at the anterior border of the ramusApposition at the anterior border of ramusResorption at the posterior border of ramusApposition of the alveolar process 236. 2% solution of copper sulphate followed by sodium bicarbonate application is needed for treatingPhenolic burnsPhosphorus burnsAcid burnsAlkali burns 237. True regarding Non accidental traumatic fractures all except:Metaphyseal corner fractureCostochondral joint fractureParietal fractureSternal fracture 238. Most of the drug resistance occurs due toTransformationMutationTransductionConjugation 239. Aminoglycosides cause all of the following exceptneuromuscular blockadeOtotoxicityCardiotoxicityNephrotoxicity 240. 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.Only amalgam should be used for Class II restorations.The composite generally uses a more conservative tooth/cavity preparation.The amalgam is more difficult and technique sensitive. 241. Microorganisms associated with periodontal health are all of the following, EXCEPT:P. IntermediaP. gingivalisviscosusS. Sanguis 242. 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 stageSecondary stageTertiary stageCongenital stage Loading...