1. Killer and Helper cells are part of:MacrophageB cellsMonocytesT cells 2. Comprehensive school based dental care for whole country is adopted byNew ZealandUSASwedenAustralia 3. Receptor for inverse Stretch reflexIntrafusal fibersMuscle spindleGolgi tendon organExtrafusal fibers 4. In the drawing below, which area stabilizes the clamp to the tooth.BCDA 5. dental plaster powder and dental stone powder differ mainly inchemical formulasolubilityshelf lifeparticle porosity 6. Which of the following is most likely to decrease in skeletal muscles during exercise?Lactic acid concentrationArteriolar resistanceSympathetic nervous activityCarbon dioxide concentration 7. Pulse rate in infant is normally:130 beats/min60 beats/min100 beats/min80 beats/min 8. 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 angiotensin-converting enzyme (ACE)The alveolar capillaries contain aldosterone 9. Medial squint occurs due to lesion of:Occulomotor nerveAbducent nerveOptic nerveTrochlear nerve 10. Maxillary sinus is seen inReverse Towne projectionWaters viewSubmento vertexPA view 11. dental impression compound is characterised by having across linkage reaction upon heatingspecific melting pointcrystalline atomic structurerelatively low thermal conductivity 12. Which is the earliest symptom of ParkinsonismRigidityChoreaTremorsBradykinesia 13. Osteotomes differ from chisels In that they areNon bevelledBi-bevelledSharpSlightly curved 14. Beta subunit of insulin receptor binds toadenylyl cyclaseGuanylyl cyclaseTyrosine kinaseIP3-DAG 15. an epidemiological index with a true biological gradient isperiodontal index-russelsimplified oral hygiene index-green and vermilionperiodontal index-RamfjordPMA index-Schour and maseler 16. Iron is absorbed fromstomachJejunumIleumDuodenum 17. Rancid butter smelling of urine is seen inAlkaptonuriaHartnup diseaseTyrosinemiaPhenylketonuria 18. Cubital tunnel syndrome occurs due to compression of which structure:Median nerveUlnar nerveBranchial arteryRadial nerve 19. Space for eruption of permanent mandibular molars is created byResorption at the posterior border of ramusResorption at the anterior border of the ramusApposition at the anterior border of ramusApposition of the alveolar process 20. A patient has Hemoglobin of 6 gm%. Which of the following should not be administered:Random donor plateletsPacked red cellsWhole bloodFresh frozen plasma 21. Which vitamin is essential for metabolism of sulphur containing amino acidsBiotinVitamin CFolic acidThiamine 22. All are of adult size at birth exceptMaxillary antrumMastoid antrumEar osscicleTympanic Cavity 23. Which of the following bacteria are most commonly associated with pregnancy associated gingivitis?S.oralisP. GingivalisB. ForsythusP. Intermedia 24. Distal part of the impacted third molar is covered by ascending ramus. What is the classificationType IPosition BClass IIDistoangular impaction 25. an Angle Class I occlusion, the mesiobuccal cusp of the maxillary first molar occludes withmesiobuccal cusp of the mandibular first molar.mesial marginal ridge of the mandibular first molar.central fossa of the mandibular first molar.mesiobuccal groove of the mandibular first molar. 26. Necrotizing ulcerative gingivitis (NUG) and acute herpetic gingivostomatitis can be differentiated clinically by (the)pain.temperature of the patient.location of the lesions.lymphadenopathy. 27. Heparin is secreted by:Plasma cellsMast cellT lymphocytesPlatelet 28. The picture below shows which of the following combination of orthognathic surgeriesLe Fort III osteotomy and bilateral sagittal osteotomyLe Fort I osteotomy and bilateral sagittal osteotomyBilateral sagittal osteotomy and genioplastyBilateral sagittal osteotomy and subapical osteotomy 29. Maxillary cast is attached to articulator by:Clinical recordChanging incisal pinUsing facebowFunctional record 30. Widest spectrum aminoglycoside isNetimicinAmikacinStreptomycinFramycetin 31. Cabbage-like odour is seen inTyrosinemiaHartnup diseasePhenylketonuriaAlkaptonuria 32. iron deficiency anemia showsincrease in transferrin saturationTIBC decreasedincrease in transferrin receptorsTIBC is increases 33. True about hemorrhageReactionary hemorrhage occur at the time of surgeryPrimary hemorrhage occur within 24 hr postoperativeSecondary hemorrhage occur 7 to 14 days postoperativeNone of above is correct 34. Suture with least adhesion to tissues and high plasticity is:NylonProlenePolyglycolatePDS 35. Actinomycosis is sensitive toPenicillinLodox-uridineNystatinStreptomycin 36. Best view for horizontally favourable and unfavourable angle fracture:PA CephLateral obliquePA towne's viewOPG 37. Pyruvate kinase is inhibited byATPInsulinAll of the aboveFructose-1,6 biphosphate 38. Most common tumour of mandible in India is:AdammitinomaSquamous cell carcinomaOsteogenic sarcomaOsteoclastoma 39. Excessive bleeding occurring during oral surgery can be minimized by maintaining the patient atSupineProneHead upHead down 40. Dontrix gauze is used to:Measure strength of wireMeasure wire distortionMeasure wire deformationMeasure force 41. 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 packingFit the cervical margin of the proximal box looselyBe higher than the occlusal surface of the toothProvide a physiological contour for the proximal surface of the restoration 42. Statins are used for cholesterol reduction, It antagonises HMG COA reductase. What kind of inhibition is seenNon specificNon competitiveFunctionalCompetitive 43. A patient with hereditary fructose intolerance is deficient in which of the following enzymesAll of the aboveTriokinaeAldolaseFructokinase 44. During inferior alveolar nerve block, the needle is located in:Parotid spaceMassetric spaceTemporal spacePterygomandibular space 45. nikolsky sign is not seen inbullous Pemphigoidscalded skin syndromecicatricial PemphigoidTEN 46. Least diffusible ion among followingureaK +Cl -Na + 47. Multiple drug resistance is transferred throughmutationconjugationtransductionTransformation 48. With advancing age pattern of bone resorption in mandible becomes:CentripetalCentrifugalCentrifugal anteriorly, centripetal posteriorlyDepends upon stage 49. Not a part of RED complex:P forsythusActinomycetemcomitansP denticolaP gingivalis 50. Pentameric structure:IgDIgMIgAIgG 51. Which one of the following skeletal muscle relaxants causes pain on injectionRocuroniumpancuroniumVecuroniumSuccinyl choline 52. Tanaka Johnson analysis uses width of which teeth to estimate the width of maxillary canine and premolars:Mandibular molarsMaxillary incisorsMaxillary molarsMandibular incisors 53. The number of branches of the internal carotid artery in neck is /are :-FourOneTwoNone 54. The procedure shown in the picture isEsmarsh procedureChampy’s plateIlizavrov’s procedureGap arthroplasty 55. Candida albicans causes all of the following exceptMycetomaMeningitisEndocarditisOral thrush 56. Second gas effect is exerted by which of the following gas when coadministered with halothaneCyclopropaneHeliumNitrous oxideNitrogen 57. The term "balanced anaesthesia" has been given bySimpsonFischerMortanlundy 58. Toxoids areantigenic and toxicantigenic and non-toxicnon-antigenic and toxicnon-antigenic and non-toxic 59. Hallucinations are seen after following anaesthesiaNitorus oxideKetamineThiopentoneFentanyl 60. Antibody to HSV will begin to appearOnly after one yearNo antibodies are present in primary HSVIn a week and reach a peak in 3 weeksAntibodies are present In recurrent and chronic apthous stomatitis 61. Which projection is best for examining zygomatic arch fractures?Submentovertex projectionReverse Towne projectionLateral cephalometric projectionWaters projection 62. The most common pathogens responsible for nosocomial pneumonias in the ICU areGram negative organisms.Mycoplasma.Gram positive organisms.Virus infections. 63. The auriculotemporal nerve encircles which of the following vessels?Maxillary artery.Deep auricular artery.Middle meningeal artery.Superficial temporal artery. 64. Direction of the enamel rods in the deciduous and permanent teeth isDifferent at cervical thirdSame throughoutNone of the aboveDifferent at occlusal and ncisal third 65. Type 1 muscle fibres areGlycolyticRedlargeAnerobic 66. Increasing urine flow rate from 1 mL/min to 10 mL/min will significantly increase the clearance ofcreatininepenicillinureainulin 67. ____ is degraded by Streptococcus mutans into ____ and ___ , thereby causing caries initiation and progression.sucrose, glucose, acetic acidglucose, glucans, lactic acidglucose, sucrose, acetic acidsucrose, glucans, lactic acid 68. Modes of attachment of calculus to the tooth surface include all of the following, EXCEPTPenetration of calculus bacteria into cementumClose adaptation to unaltered cementumAttachment by means of an inorganic pellicleMechanical locking into surface irregularities 69. Snow man appearance or figure of 8 appearance is seen inTotal anomalous pulmonary venous connectionTetralogy of fallotTransposition of great arteriesTricuspid atresia 70. Pleoniorphic' shape of bacteria signifies:Dumb-bell shaped bacteriaLong rods shaped bacteriaNon specific shapeIrregular clusters of bacteria 71. Neonatal teeth arePresent within 45 days of birthErupt within 30 days of birthPresent at birthPresent 180 days after birth 72. A 6 year old patient reports with greenish blue swelling distal to deciduous 2nd molar. Treatment would be:Surgical excision of flapNo treatment, only observationInjecting proteolytic solution in the areaBone graft 73. Sulphonamides act byNon competitive inhibitionNone of theseAllosteric inhibitionCompetitive inhibition 74. Best test to evaluate syphilis after treatment isTPHATPAVDRLFTA-ABS 75. Oronasal intubation is not indicated in:Mandibular fracturesLe Fort I fracturesParietal bone fracturesLe Fort II and III fractures 76. which of the following bacteria do not invade host tissue cellT.denticolaP.intermediaF.NucleatumP.gingivalis 77. a patient sustains an injury to mandible. Which is the best projection for evaluation of the condylar neck and ramus areaSubmentovertexlateral cephWatersReverse towne 78. At what age the calcification of deciduous teeth startsSixth month of fetal lifeSecond month of fetal lifeFourth month of fetal lifeSeventh month of fetal life 79. Co-factor for phosphofructokinase isMnZnFeMg 80. The propylene glycol in IV valium can cause:syncopephlebitiscellulitisa unilateral facial paralysis 81. After spleenectomy patient becomes more prone toNon-encapsulatedEncapsulated organismsGram -ve & anaerobicGram +ve & anaerobic 82. Most common form of brain herniation isForaminal herniationTransfacial herniationTranscalvarial herniationTranstentorial herniation 83. Following is added to zinc polycarboxylate to improve its manageability:Stannous fluorideStrontium fluorideAluminium oxideMagnesium oxide 84. the correctly placed posterior palatal seal createsvaccum beneath the maxillary denturevaccum in posterior part of palatea close adaptation of maxillary denture at tuberositypartial vaccum beneath the maxillary denture 85. Cardiac arrythmias are most commonly seen during administration ofEtherThiopentalNitrous oxideHalothane 86. Which of the following is evident on the radiographAntrolithRetianed rootSinus mucositisSialolith 87. 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 length of the fileThe length of the file and the diameter of the tip of the fileThe taper of the file and the length of the fileThe diameter of the tip of the file and the taper of the file 88. 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 survey15001200300400 89. Infection of dangerous area of face leads toCavernous sinus thrombosisLateral sinus thrombosisBrain abscessCortical venous thrombosis 90. Which of the following is not true for lidocaineMost physicians use IV lignocaine only in patients with ventricular arrhythmiasInhibits both active and inactive Na channelIt is the most cardiotoxic sodium channel blockersUndergoes extensive first pass metabolism 91. A trauma patient with bleeding in emergency is not able to maintain tongue position voluntarilyThe tongue is best managed byIntubation and definite airwayDeep suture and tractionHold tongue with towel dipOropharyngeal airway 92. Which articulator is based on arbitary theories of motionTrumanWhipmixGysiMonson 93. Morphine a powerful opioid analgesic drug shuld be avoided in all of the following conditions exceptLeft ventricular failurePancreatitisConstipationBronchial asthma 94. 2% solution of copper sulphate followed by sodium bicarbonate application is needed for treatingPhenolic burnsAlkali burnsAcid burnsPhosphorus burns 95. 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 second molar.Mesiolingual cusp of the maxillary first molar.Distolingual cusp of the maxillary second molar.Distolingual cusp of the maxillary first molar. 96. What type of movement is shown here? RotationIntrusionTranslationTipping 97. Which of the following is evident on the radiographHamular processConchaeMedial pterygoid plateCoronoid proess 98. True regarding Non accidental traumatic fractures all except:Metaphyseal corner fractureParietal fractureSternal fractureCostochondral joint fracture 99. Microorganisms associated with periodontal health are all of the following, EXCEPT:P. IntermediaP. gingivalisS. Sanguisviscosus 100. Which of the following has a non odontogenic originOKCSebaceous cystRadicular cystDentigerous cyst 101. True about carbamoyl phosphate synthaseCatalyses condensation reactionCytosolic enzymeMitochondrial enzymeAll are true 102. Possible etiology of internal resorption:Furcation involvementNecrosis of pulpLuxation injuryThe presence of low grade chronic pulpitis 103. 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) 104. Methemoglobinemia true is:Iron is oxidizedIncreased oxygen binding capacityOxidation of cytochrome oxidaseAlteration of globin chains 105. For a dental hand instrument with a formula of 10-8.5-8, the number 10 refers to _____.The primary cutting edge angle, in centigradesThe blade length, in millimetresThe blade angle, in centigradeThe width of the blade, in tenths of a millimetre 106. A divided pulp canal is most likely to occur in thelingual root of a maxillary 1st molarroot of a mandibular canineroot of a maxillary canineroot of a maxillary central incisor 107. Which index correlates the maturational status of a tooth to its developmental stage:Schour and MasslerDemerijian IndexGustaffsonRoot transparency 108. Maximum amount of air that can be inhaled:Inspiratory reserve volumeVital capacityDead spaceTidal capacity 109. nickel is added to wrought gold alloys asstrengthenerscavengerage hardnerbalance of color 110. replacing alanine by which amino acid will increase UV absorption of protein at 280um wavelengthprolineleucineargininetryptophan 111. Effects associated with cold working i.e lowered ductility and distorted grains can be eliminated by process known asEutecticAnnealingConcentricityStrain hardening 112. The blood in vessels normally doesn't clot because:Vit K Antagonists are present in plasmaVascular endothelium is smooth and coated with glycocalyxSodium citrate in plasma chelates Ca ionsThrombin has positive feedback on plasminogen 113. Which of the following orthognathic surgery is shown in pictureSagittal split osteotomyLe Fort III advancementInferior border modificationLe Fort I advancement 114. The type of bone present in the labial anterior teeth isCancellousExophyticCorticalOsteophytic 115. With incresed age and irritation which form of dentin is laid downRepairative dentinEburnated dentinSclerotic dentinSecondary dentin 116. All of the following are morphological neurological complication of measles exceptEncephalitisSSPEOptic neuritisTransverse myelitis 117. 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 must fit well in the canal and be at the radiographic apexThe cone must fit well in the apical third of the canal and be within 1mm of the radiographic apexThe cone should have a wiggly appearance and reach within 1mm of radiographic apex 118. Which of the following is found in the respiratory zone of the lung?Main bronchiType I epithelial cellsGoblet cellsMucous cells 119. Young's modulus is defined as:Stress/strain above elastic limitArea under the stress strain curve till point of fractureStress/strain below elastic limitLimit where a material shows plastic defonnation 120. EB virus is associated with which carcinoma:Carcinoma of bladderChronic lymphocytic leukemiaCarcinoma of larynxNasopharyngeal carcinoma 121. Which of the following is a cause of delayed healing of a fracture:Inadequate immobilizationHypertensionHypercholesterolemiaObesity 122. Buprenorphine isPure agonistPartial agonistPure antagonistNone 123. Which of the following statement(s) is(are) true regarding treatment of a tooth presenting with a sinus tract?Antibiotics are not needed.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. 124. "Classical phenyl ketonuria" is caused by deficiency ofTyrosine hydroxylasePhenylalanine transaminasePhenylalanine hydroxylaseTyrosine transaminase 125. RPI clasp in a distal extension cast partial dentureUsed for buccally tilted molarProvides push type retentionProvides pull type retentionIs contraindicated 126. Bacterial enzyme which causes inactivation of allergy mediating immunoglobulinCatalaseProteaseHyaluronidasePeroxidase 127. Most commonly used blade for oral cavity:No. 12No. 11No. 15No.9 128. 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 inTertiary stagePrimary stageCongenital stageSecondary stage 129. Angulation of needle during suturing as the needle enters the tissue:As close to 0 degree as possible90 degrees45 degrees135 degrees 130. 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 131. The most common pathway of glycolysisPentose phosphate pathwayEntner Doudoroff pathwayEmbden Meyerhof pathwayUrea pathway 132. Dental plaque containsBacteria and food productsSalivary products and food particlesBacteria and bacterial productspellicle and food 133. According to Cron, the tooth starts erupting afterThree fourths of the root formation is completeThe entire root is formedOne fourth of the root is formedOne half of the root is formed 134. Which of the following movements are performed by a non-working condyleDownwards Forwards MedialDownwards Forwards LateralDownwards Backwards MedialStraight forward 135. Which of the following soft tissues of the oro facial region mature first:Posterior 1/3rd of tongueTip of tongueLipsAll soft tissues mature simultaneously 136. Elevation of glucose by corticosteroids is counteracted by insulin is an exampleCompetitive antagonismCHEMICAL antagonismPhysiological antagonismNoncompetitive antagonism 137. Which of the following serves as a principal source of carbon for nonessential amino acidsfatscarbohydrateswaterurea 138. 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. 139. 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.The tooth is nonvital and should be treated with root canal therapy.There is inflammation in the PDL and the surrounding periodontium. 140. impression material of choice in patients with submucous fibrosis iscondensation Siliconeplaster of parisaddition siliconezinc oxide eugenol 141. Most of the drug resistance occurs due toConjugationTransductionMutationTransformation 142. Most common site of zygomatic arch fracture isNo specific locationposterior to itZT sutureanterior to it 143. A Common site for intramuscular injection in adults:Vastus intermediusGluteus maximusDeltoidPectoralis major 144. 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.The composite generally uses a more conservative tooth/cavity preparation.Establishing restored proximal contacts is easier with composite.The amalgam is more difficult and technique sensitive. 145. 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 straight probeUse of a special trayUsing a periodontal probe 146. Kennedy applegate classification of partially edentulous arch does not allow consideration ofVisualizationDifferentiation between tooth borne and tooth tissue supportedLength of the edentulous spacesUniversal acceptance 147. Aminoglycosides cause all of the following exceptCardiotoxicityOtotoxicityneuromuscular blockadeNephrotoxicity 148. JAK-STAT kinase receptors is associated withincreased c AMPIon channelsNuclear transcriptionIP3-DAG 149. Polyglycolic acid suture is:Absorbable natural sutureNonabsorbable synthetic sutureNonabsorbable natural sutureAbsorbable synthetic suture 150. the most important bufer system in the saliva isphosphate buffersprotein buffersbicarbonate-carbonic acid buffersall of the above 151. Dilatation of the pupil In head injury is due tocompression of III cranial nervepontine haemorrhageCerebral Irritationall of the above 152. The most common congenitally missing primary tooth is the:Primary mandibular first molarPrimary mandibular caninePrimary maxillary lateral incisorPrimary maxillary canine 153. 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 first molar.Distobuccal cusp of the second molar.Mesiobuccal cusp of the second molar.Distobuccal cusp of the first molar. 154. Right 12th nerve damage leads toTongue deviation to right on protrusionNasal twang to voiceScanning speech defectsTongue deviation to left on protrusion 155. When a calcified root canal cannot be located or instrumentedRetrograde and replantation procedures should be considered.The 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. 156. ehler danlos syndrome issex linked recessivesex linked dominantautosomal recessiveautosomal dominant 157. 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 testStudent t testPaired t testANOVA 158. Most common cause of seizures in a patient of AIDS isCryptococcal meningitisCNS lymphomaToxoplasmosisProgressive multifocal leucoencephalopathy 159. Exclusive of third molars, the permanent dentition is usually completely erupted by the age of12 to 14 years.9 to 11 years.15 to 17 years.18 to 21 years. 160. An overextended distobuccal corner of a mandibular denture will push against which muscle during functionTemporalisOrbicularis orisMassaterZygomaticus 161. Primary teeth are lighter than permanent teeth because Lighter color of enamelThin dentin in primary teethBecause of contrast with the adjacent tissueDifference in crystalline structure makes refractive index different 162. Diagnodent is based on theSound waveVisible lightNano technologyLaser 163. The hypercalcification lines that separate lamellae of cellular cementum from that of acellular cementum are known asnone ofThe aboveLines of retziusPerikymataIncremental lines 164. In which part of oral cavity mucous menbrane is the thinnestLabial mucosaFloor of mouthSoft palateBuccal mucosa 165. Which of the following regions of the nephron is capable of the greatest level of sodium reabsorption?Collecting ductProximal convoluted tubuleThick ascending limb of the loop of HenleDistal convoluted tubule 166. which of the following is used to detect the chromosomal differences between neoplastic cells and their normal counterpartsPCRSpectral karyotypingwestern blottingComparative genomic hybridization 167. A light bluish dome shaped lesion on the inside lip of a 2 yr old child is mostlyMelanomaMucoceleHemangiomaHematoma 168. Vertical food Impaction can be due to all exceptPeriodontal destructionDifference between adjacent tooth marginal ridges and at irregular levelOpen contacts between adjacent toothPlunger cusp 169. Sickle cell anaemia is caused due to:Substitution of glutamic acid by valineSubstitution of ketoglutarate by valineSubstitution of valine by ketoglutarateSubstitution of valine by glutamic acid 170. A facebow is used to record therelationship of the maxilla to the horizontal hinge axis.incisal guidance.vertical dimension of occlusion.horizontal condylar inclination. 171. In cardio pulmonary resuscitation chest compressions are done:On the left side of the chestOn the upper part of sternumOn the middle of the Lower part of the sternumOn the xiphisterum 172. The dentogingival unit is composed ofPDL fibers and gingival fibersJunctional epithelium and gingival fibersJunctional epithelium and PDL fibersNone of the above 173. True about charge in amino acidNeutral at isoelectric pHAmino group can form negative chargeAll of the aboveCarboxyl group can form positive charge 174. Appliance shown in the picture is used for breaking which habitMouth BreathingNail BitingThumb SuckingLip Biting 175. Which of these amino acids does not enter the krebs cycle by forming Acetyl-CoA via pyruvateGlycineTyrosineHydroxyprolineAlanine 176. Identify the salivary gland tumor which has marked tendency to spread through perineural spacesWarthins tumorAdenoid cystic carcinomaMucoepidermoid carcinomaPleomorphic adenoma 177. Not an extrinsic membrane of larynxCricotrachealCricothyroidHypoepigloticThyrohyoid 178. If gold content of the alloy decreases:Strength decreases, ductility increasesBoth strength and ductility increasesBoth strength and ductility decreasesStrength increases, ductility decreases 179. Maxillary 1st molar cusp used in Angle classificationDistolingualDistobuccalMesiolingualMesiobuccal 180. Which of these is not a part of ethmoid boneAgger nasi cellsUncinate processInferior turbinateCribriform plate or crista gali 181. Facial index of 85.6% means:Hypereuryprosopic faceLeptoprosopic faceMesoprosopic faceEuryprosopic face 182. When permanent maxillary lateral incisors are congenitally missing, the permanent canine may often erupt:May be congenitally missingBetween the two CIsDistal to the deciduous canineMesial to the deciduous canine 183. All of the following statements are true except:The pulp cavities are proportionately larger in the primary teethThe 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 primary teeth are darker in color than the permanent teeth 184. Most common relationship of the primary molars in deciduous dentition:Mesial stepFlush terminal planeAngle Class IDistal step 185. type of collagen present in hyaline cartilage istype Itype IVtype IItype III 186. 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 hybridizationSouthern blottingPCRWestern Blotting 187. Krebs cycle does not occur inHeartRBCAll of the aboveMuscle 188. Diameter of adult tooth brush range0.004-0.0070.006-0.0090.007-0.0150.010-0.012 189. 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.The tooth is necrotic.The tooth needs root canal therapy.Further testing is necessary to make a definitive diagnosis. 190. In which surveyor,spring mounted horizontal arm is seenJelenkoWilliamsNeyNone of the above 191. 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?wegener's granulomatosispoisoning by lead or other heavy metal poisoningscabiesHutchinson syndrome 192. 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?Reassure the parents as root will develop laterExtract the structure under GASelective grinding & let it remainExtract it under la 193. Local anesthetics stop axonal conduction by blocking:Potassium channelsAll of the aboveCalcium channelsSodium channels 194. the heat treatment of soaking the alloy at a high temp to produce a solid solution followed by quenching is known asliquid heat treatmentsolution heat treatmentage hardeningstrain hardening heat treatment 195. All of the following statements concerning teratology or teratogens are true, except:Susceptibility to teratogens is variableTeratology is the study of developmental anomaliesThe mechanism of teratogenesis is not specific for each teratogenTeratogens are chemical, physical, and biologic agents that cause developmental anomalies 196. Which of the following is evident on the radiographRoot fractureIntrusionLateral luxationExtrusion 197. An ovoid radiolucency found located in the inferior border of posterior mandible region, which contains salivary gland tissue isaneurysmal bone cystresidual cystCentral giant cell granulomaStafne cyst 198. hydroxylation of phenylalanine to tyrosine requiresTetrahydrofolatetetrahydrobiopterinPyridoxal phosphateS-adenosyl methionine 199. 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 200. 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 developedhyperchromatosis.hypercalcemia.osteoporosis.diabetes mellitus. 201. 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?ThrombinFactor XIIIPlasminogenHigh molecular weight kininogen (HMWK) 202. which of the following is required for conversion of prothombin to thrombinstable factorfibrinlabile factorthromboplastin 203. Virus is usually cultured in:Embryonated hen eggsNon embryonated hen eggsSabourouds mediumRogosa blood agar 204. Lactate is formed in all exceptTestisLensBrainRBCs 205. Wernicke's area is associated with:ThoughtLanguage interpretationAssociation of tasksLong term memory 206. 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 207. Diabetic patient with periodontitis have significantly higher level of ______________ in GCFTNFAllPGE2Interleukin-1 208. Immunity that is conferred to the foetus by transfer of IgG and IgA antibodies is called asPassive acquired ImmunityNatural active immunityActive acquired immunityPassive natural immunity 209. The crowns of all 20 primary teeth begin to calcify between:2 to 3 months in utero1 to 2 months in utero8 to 9 months in utero4 to 6 months in utero 210. The major objectives of access preparation include all of the following except which one?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.The confirmation of clinical diagnosis. 211. 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?Direct release of bronchoconstrictor mediatorsEnhanced sensitivity to vagal stimulationInhibition of cyclooxygenase pathwayType I hypersensitivity reaction 212. Which of the following is not a technique for protein precipitationIsoelectric point methodHeat precipitationTrichloroacetic acidtitration with reducing sugar 213. Caisson diseaseFat embolismAmniotic fluid embolismGas embolismTumor embolism 214. 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?pulp necrosisreversible pulpitisasymptomatic apical periodontitissymptomatic irreversible pulpitis 215. In an edentulous maxilla, the direction of resorption of the alveolar ridge isupward only.upward and facially.uniform in all directions.upward and palatally. 216. In the maxilla the molar tooth germs develop, with their occlusal surfaces facing firstDistallyBuccallyLinguallyMesially 217. Stage of surgical anesthesia during ether administration isFailure of circulationLoss of consciousness to beginning of regular respirationLoss of consciousnessRegular respiration to cessation of breathing 218. Most common presentation of extrapulmonary TBPeritoneal TBPericardial TBTubercular lymphadenitisTubercular meningitis 219. Which hormone increases the gingival vascular permeability and increases chances of gingival disease caused by infective micro-organismsEstrogenHuman chorionic gonadotropinOxytocinProgestoerone 220. Vertical dimension at rest can be defined asVertical dimension at Occlusion plus freeway spaceVertical dimension at occlusion multipied by freeway spacevertical dimension at occlusion minus freeway spaceVertical dimension at occlusion plus freeway space 221. Leeway space is due tononedifference between deciduous and permanent maxillary caninesspace differential between deciduous canine and molar and their succadaneous permanent teethspace differential between deciduous incisors and their succedaneous permanent teeth 222. Insulin does not facilitate glucose uptake in the following exceptKidneyLiverRBCHeart 223. Identify the clasp assembly seen in the imageI barRPI claspRing claspAker clasp 224. In Steiner's analysis, SNA is 82 degrees. This indicates:Normal maxillary baseMaxillary retrusionMandibular protrusionMaxillary protrusion 225. 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 testStudent t testOne way ANOVATwo way ANOVA 226. 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 227. Proper radiographic infection control includes all of the following except one. Which one is the exception?Covering working surfaces with barriersDisinfecting x-ray machine surfaceSterilizing film packetsWearing gloves while making radiographs 228. Which of the following muscles adducts the vocal cords?Vocalis.Cricothyroid.Lateral cricoarytenoid.Posterior cricoarytenoid. 229. A general anesthetic should not be used for an elective surgical procedure in a patient with less than:12 grams Hb19 grams Hb10 grams Hb8 gams Hb 230. Nerve supply to musculature of tongue is:FacialVagusGlossopharyngealHypoglossal 231. 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 hypotensionTachycardia with hypertensionBradycardia with hypertensionBradycardia with hypotension 232. NSAID given in once daily dose isNaproxenketorolacPiroxicamParacetamol 233. Alkaptonuria an inherited metabolic disorder is due to defiiciency ofPhenylalanine hydroxylaseHomogentisate oxidaseCystathionaseTyrosine transaminase 234. which of the following is the least radiosensitive tissuesconnective tissue cell,endothelial cell,muscle cellWBC,bone cells,epithelial cellsmuscle cells,nerve cells,bone cellsRBC,muscle cell,nerve cell 235. Hemolytic Streptococci can cause serious cross infections in hospital settings. These bacteria usually harbor which site in health workers working in the hospitals:HairNailsSkinThroat 236. Which of the following lung volumes or capacities cannot be measured directly using simple spirometry?Functional residual capacityTidal volumeInspiratory reserve volumeExpiratory reserve volume 237. Antrum of highmore' is nother name ofFrontal sinusSphenoid sinusMaxillary sinusEthmoidal sinus 238. In an infant, the gum pad is separated from palate by:Lateral sulcusGingival grooveDental grooveTransverse groove 239. 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. 240. Styloglossus action is:Protrusion of tongueDepression of tongueRetraction of tongueElevation of tongue 241. Which of the following nutrients are not included in Total Parental NutritionLipidsCarbohydratesFibersProteins 242. Which of the following is the best indication for transfer of maternal blood components to an infant:Platelets to prevent NAITPlasma to prevent NAIT (Neonatal Alloimmune Idiopathic thrombocytopenia)RBCs to prevent TA-GVHPlasma to prevent ITP Loading...