1. Aminoglycosides cause all of the following exceptNephrotoxicityOtotoxicityneuromuscular blockadeCardiotoxicity 2. While obturation selection of master cone is based on:The 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 apexThe cone must bind loosely in the canal and reach within 1 mm of the radiographic apex 3. 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 stageCongenital stageSecondary stagePrimary stage 4. Oronasal intubation is not indicated in:Parietal bone fracturesMandibular fracturesLe Fort II and III fracturesLe Fort I fractures 5. Facial index of 85.6% means:Mesoprosopic faceEuryprosopic faceLeptoprosopic faceHypereuryprosopic face 6. During inferior alveolar nerve block, the needle is located in:Parotid spacePterygomandibular spaceTemporal spaceMassetric space 7. 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 necrosisasymptomatic apical periodontitisreversible pulpitissymptomatic irreversible pulpitis 8. 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 XIIIPlasminogenThrombinHigh molecular weight kininogen (HMWK) 9. Cardiac arrythmias are most commonly seen during administration ofNitrous oxideHalothaneThiopentalEther 10. In an edentulous maxilla, the direction of resorption of the alveolar ridge isupward only.uniform in all directions.upward and facially.upward and palatally. 11. 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.osteoporosis.hyperchromatosis. 12. which of the following is used to detect the chromosomal differences between neoplastic cells and their normal counterpartsPCRSpectral karyotypingComparative genomic hybridizationwestern blotting 13. 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.Distolingual cusp of the maxillary second molar.Mesiolingual cusp of the maxillary second molar.Mesiolingual cusp of the maxillary first molar. 14. The type of bone present in the labial anterior teeth isCorticalExophyticOsteophyticCancellous 15. a patient sustains an injury to mandible. Which is the best projection for evaluation of the condylar neck and ramus arealateral cephSubmentovertexWatersReverse towne 16. A divided pulp canal is most likely to occur in theroot of a mandibular canineroot of a maxillary central incisorroot of a maxillary caninelingual root of a maxillary 1st molar 17. The most common pathogens responsible for nosocomial pneumonias in the ICU areGram negative organisms.Virus infections.Mycoplasma.Gram positive organisms. 18. Local anesthetics stop axonal conduction by blocking:Potassium channelsAll of the aboveSodium channelsCalcium channels 19. 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 is necrotic.The tooth has an inflamed PDL.Further testing is necessary to make a definitive diagnosis.The tooth needs root canal therapy. 20. Alkaptonuria an inherited metabolic disorder is due to defiiciency ofPhenylalanine hydroxylaseCystathionaseHomogentisate oxidaseTyrosine transaminase 21. Polyglycolic acid suture is:Nonabsorbable synthetic sutureNonabsorbable natural sutureAbsorbable synthetic sutureAbsorbable natural suture 22. Receptor for inverse Stretch reflexExtrafusal fibersIntrafusal fibersGolgi tendon organMuscle spindle 23. ehler danlos syndrome issex linked recessiveautosomal dominantautosomal recessivesex linked dominant 24. The term "balanced anaesthesia" has been given bylundySimpsonFischerMortan 25. A 6 year old patient reports with greenish blue swelling distal to deciduous 2nd molar. Treatment would be:Surgical excision of flapBone graftInjecting proteolytic solution in the areaNo treatment, only observation 26. Which vitamin is essential for metabolism of sulphur containing amino acidsThiamineFolic acidBiotinVitamin C 27. Sulphonamides act byNone of theseAllosteric inhibitionCompetitive inhibitionNon competitive inhibition 28. Buprenorphine isPure antagonistNonePure agonistPartial agonist 29. JAK-STAT kinase receptors is associated withincreased c AMPIP3-DAGIon channelsNuclear transcription 30. ____ is degraded by Streptococcus mutans into ____ and ___ , thereby causing caries initiation and progression.sucrose, glucans, lactic acidglucose, sucrose, acetic acidsucrose, glucose, acetic acidglucose, glucans, lactic acid 31. What role do the lungs play in the pathogenesis of systemic hypertension?The alveolar capillaries contain angiotensin-converting enzyme (ACE)The alveolar capillaries contain antidiuretic hormone (ADH)The type II pneumocytes contain aldosteroneThe alveolar capillaries contain aldosterone 32. dental impression compound is characterised by having acrystalline atomic structurespecific melting pointcross linkage reaction upon heatingrelatively low thermal conductivity 33. Which of the following is the normal arrangement of lingual nerve and vessels in the tongue from medial to lateral?Vein, artery and nerve.Nerve, artery.Artery, nerve and vein.Nerve, artery and vein. 34. Which of the following movements are performed by a non-working condyleDownwards Backwards MedialDownwards Forwards MedialDownwards Forwards LateralStraight forward 35. Which of the following orthognathic surgery is shown in pictureInferior border modificationLe Fort III advancementLe Fort I advancementSagittal split osteotomy 36. Morphine a powerful opioid analgesic drug shuld be avoided in all of the following conditions exceptConstipationPancreatitisLeft ventricular failureBronchial asthma 37. The hypercalcification lines that separate lamellae of cellular cementum from that of acellular cementum are known asIncremental linesPerikymataLines of retziusnone ofThe above 38. Which of the following is evident on the radiographMedial pterygoid plateCoronoid proessConchaeHamular process 39. Cubital tunnel syndrome occurs due to compression of which structure:Median nerveRadial nerveBranchial arteryUlnar nerve 40. NSAID given in once daily dose isPiroxicamNaproxenParacetamolketorolac 41. which of the following is the least radiosensitive tissuesWBC,bone cells,epithelial cellsconnective tissue cell,endothelial cell,muscle cellRBC,muscle cell,nerve cellmuscle cells,nerve cells,bone cells 42. The crowns of all 20 primary teeth begin to calcify between:1 to 2 months in utero8 to 9 months in utero2 to 3 months in utero4 to 6 months in utero 43. Heparin is secreted by:T lymphocytesPlasma cellsPlateletMast cell 44. 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 airwayOropharyngeal airwayHold tongue with towel dip 45. Most common cause of seizures in a patient of AIDS isCNS lymphomaProgressive multifocal leucoencephalopathyToxoplasmosisCryptococcal meningitis 46. Which of the following soft tissues of the oro facial region mature first:Posterior 1/3rd of tongueAll soft tissues mature simultaneouslyTip of tongueLips 47. The major objectives of access preparation include all of the following except which one?The attainment of direct, straight-line access to the apical portion of the root.The attainment of direct, straight-line access to canal orifices.The conservation of tooth structure.The confirmation of clinical diagnosis. 48. which of the following is required for conversion of prothombin to thrombinlabile factorstable factorthromboplastinfibrin 49. Tanaka Johnson analysis uses width of which teeth to estimate the width of maxillary canine and premolars:Maxillary molarsMandibular molarsMandibular incisorsMaxillary incisors 50. Most common site of zygomatic arch fracture isNo specific locationZT sutureposterior to itanterior to it 51. Antrum of highmore' is nother name ofSphenoid sinusFrontal sinusEthmoidal sinusMaxillary sinus 52. Wernicke's area is associated with:Long term memoryThoughtAssociation of tasksLanguage interpretation 53. Maxillary 1st molar cusp used in Angle classificationDistobuccalDistolingualMesiolingualMesiobuccal 54. Distal part of the impacted third molar is covered by ascending ramus. What is the classificationType IClass IIDistoangular impactionPosition B 55. 2% solution of copper sulphate followed by sodium bicarbonate application is needed for treatingAcid burnsAlkali burnsPhenolic burnsPhosphorus burns 56. Necrotizing ulcerative gingivitis (NUG) and acute herpetic gingivostomatitis can be differentiated clinically by (the)lymphadenopathy.location of the lesions.temperature of the patient.pain. 57. According to Cron, the tooth starts erupting afterOne fourth of the root is formedThree fourths of the root formation is completeThe entire root is formedOne half of the root is formed 58. All are of adult size at birth exceptMastoid antrumMaxillary antrumEar osscicleTympanic Cavity 59. Least diffusible ion among followingureaNa +K +Cl - 60. Which projection is best for examining zygomatic arch fractures?Lateral cephalometric projectionReverse Towne projectionSubmentovertex projectionWaters projection 61. Elevation of glucose by corticosteroids is counteracted by insulin is an exampleNoncompetitive antagonismCompetitive antagonismPhysiological antagonismCHEMICAL antagonism 62. Pleoniorphic' shape of bacteria signifies:Dumb-bell shaped bacteriaIrregular clusters of bacteriaLong rods shaped bacteriaNon specific shape 63. In which part of oral cavity mucous menbrane is the thinnestSoft palateBuccal mucosaFloor of mouthLabial mucosa 64. Excessive bleeding occurring during oral surgery can be minimized by maintaining the patient atProneSupineHead downHead up 65. Dental plaque containsBacteria and bacterial productsSalivary products and food particlespellicle and foodBacteria and food products 66. Which of the following statements is true regarding the choice between doing a composite or amalgam restoration?The amalgam is more difficult and technique sensitive.The composite generally uses a more conservative tooth/cavity preparation.Establishing restored proximal contacts is easier with composite.Only amalgam should be used for Class II restorations. 67. In Steiner's analysis, SNA is 82 degrees. This indicates:Mandibular protrusionMaxillary protrusionMaxillary retrusionNormal maxillary base 68. 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 width of the blade, in tenths of a millimetreThe blade angle, in centigradeThe blade length, in millimetres 69. In cardio pulmonary resuscitation chest compressions are done:On the xiphisterumOn the middle of the Lower part of the sternumOn the left side of the chestOn the upper part of sternum 70. If gold content of the alloy decreases:Strength increases, ductility decreasesStrength decreases, ductility increasesBoth strength and ductility decreasesBoth strength and ductility increases 71. Beta subunit of insulin receptor binds toGuanylyl cyclaseadenylyl cyclaseTyrosine kinaseIP3-DAG 72. Not an extrinsic membrane of larynxCricotrachealHypoepigloticThyrohyoidCricothyroid 73. 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 stimulationInhibition of cyclooxygenase pathwayType I hypersensitivity reactionDirect release of bronchoconstrictor mediators 74. Which index correlates the maturational status of a tooth to its developmental stage:Schour and MasslerDemerijian IndexGustaffsonRoot transparency 75. In which surveyor,spring mounted horizontal arm is seenNeyWilliamsNone of the aboveJelenko 76. Exclusive of third molars, the permanent dentition is usually completely erupted by the age of12 to 14 years.15 to 17 years.9 to 11 years.18 to 21 years. 77. Which of the following bacteria are most commonly associated with pregnancy associated gingivitis?S.oralisP. IntermediaP. GingivalisB. Forsythus 78. the correctly placed posterior palatal seal createsvaccum beneath the maxillary denturea close adaptation of maxillary denture at tuberositypartial vaccum beneath the maxillary denturevaccum in posterior part of palate 79. Immunity that is conferred to the foetus by transfer of IgG and IgA antibodies is called asNatural active immunityPassive acquired ImmunityPassive natural immunityActive acquired immunity 80. Appliance shown in the picture is used for breaking which habitLip BitingMouth BreathingThumb SuckingNail Biting 81. Which of the following is not a technique for protein precipitationtitration with reducing sugarTrichloroacetic acidIsoelectric point methodHeat precipitation 82. an Angle Class I occlusion, the mesiobuccal cusp of the maxillary first molar occludes withcentral fossa of the mandibular first molar.mesiobuccal cusp of the mandibular first molar.mesiobuccal groove of the mandibular first molar.mesial marginal ridge of the mandibular first molar. 83. Comprehensive school based dental care for whole country is adopted bySwedenAustraliaUSANew Zealand 84. 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. 85. Which of the following is the most accurate to measure the height of the floor of the mouth?Use of a special trayUsing a periodontal probeUse of periodontal probe and a special trayUsing a straight probe 86. Direction of the enamel rods in the deciduous and permanent teeth isDifferent at cervical thirdSame throughoutDifferent at occlusal and ncisal thirdNone of the above 87. The blood in vessels normally doesn't clot because:Thrombin has positive feedback on plasminogenSodium citrate in plasma chelates Ca ionsVascular endothelium is smooth and coated with glycocalyxVit K Antagonists are present in plasma 88. Possible etiology of internal resorption:The presence of low grade chronic pulpitisLuxation injuryFurcation involvementNecrosis of pulp 89. A patient with hereditary fructose intolerance is deficient in which of the following enzymesAldolaseAll of the aboveTriokinaeFructokinase 90. The procedure shown in the picture isChampy’s plateEsmarsh procedureIlizavrov’s procedureGap arthroplasty 91. Sickle cell anaemia is caused due to:Substitution of glutamic acid by valineSubstitution of ketoglutarate by valineSubstitution of valine by glutamic acidSubstitution of valine by ketoglutarate 92. In an infant, the gum pad is separated from palate by:Dental grooveTransverse grooveGingival grooveLateral sulcus 93. The most common congenitally missing primary tooth is the:Primary mandibular caninePrimary maxillary lateral incisorPrimary mandibular first molarPrimary maxillary canine 94. All of the following statements about pain are correct exceptDysphoria is associated with 'k' receptorsNaloxane is a non competitive antagonist and irreversibly opposes the opioidsAnalgesia is associated with 'u' and 'k' receptorsNSAIDS benefit by preventing prostaglandin synthesis 95. Stage of surgical anesthesia during ether administration isFailure of circulationLoss of consciousnessLoss of consciousness to beginning of regular respirationRegular respiration to cessation of breathing 96. Which of the following is most likely to decrease in skeletal muscles during exercise?Carbon dioxide concentrationArteriolar resistanceSympathetic nervous activityLactic acid concentration 97. Best test to evaluate syphilis after treatment isFTA-ABSTPAVDRLTPHA 98. Most common relationship of the primary molars in deciduous dentition:Distal stepAngle Class IFlush terminal planeMesial step 99. Maxillary sinus is seen inSubmento vertexWaters viewPA viewReverse Towne projection 100. The picture below shows which of the following combination of orthognathic surgeriesLe Fort III osteotomy and bilateral sagittal osteotomyBilateral sagittal osteotomy and subapical osteotomyBilateral sagittal osteotomy and genioplastyLe Fort I osteotomy and bilateral sagittal osteotomy 101. 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 102. Most of the drug resistance occurs due toConjugationTransformationTransductionMutation 103. Which of the following is evident on the radiographRetianed rootSialolithAntrolithSinus mucositis 104. Which of the following test is used to compare the chromosomes between normal and neoplastic cells or for detecting genetic transfer of disease:PCRSouthern blottingComparative genomic hybridizationWestern Blotting 105. The dentogingival unit is composed ofJunctional epithelium and gingival fibersNone of the abovePDL fibers and gingival fibersJunctional epithelium and PDL fibers 106. Diameter of adult tooth brush range0.007-0.0150.010-0.0120.004-0.0070.006-0.009 107. In the maxilla the molar tooth germs develop, with their occlusal surfaces facing firstLinguallyDistallyBuccallyMesially 108. A major difference between total-etch and selfetching primer dentin bonding systems include all of the following except _____.The amount of smear layer removedThe bond strengths to enamelThe need for wet bondingThe time necessary to apply the material(s) 109. Which hormone increases the gingival vascular permeability and increases chances of gingival disease caused by infective micro-organismsOxytocinProgestoeroneHuman chorionic gonadotropinEstrogen 110. Toxoids arenon-antigenic and toxicantigenic and toxicantigenic and non-toxicnon-antigenic and non-toxic 111. Diagnodent is based on theVisible lightNano technologyLaserSound wave 112. Space for eruption of permanent mandibular molars is created byApposition of the alveolar processResorption at the anterior border of the ramusApposition at the anterior border of ramusResorption at the posterior border of ramus 113. 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 maxillary lateral incisorThe primary mandibular central incisorThe primary mandibular lateral incisor 114. nickel is added to wrought gold alloys asage hardnerscavengerbalance of colorstrengthener 115. Dontrix gauze is used to:Measure wire deformationMeasure forceMeasure wire distortionMeasure strength of wire 116. Which of the following has a non odontogenic originOKCRadicular cystDentigerous cystSebaceous cyst 117. Following is added to zinc polycarboxylate to improve its manageability:Aluminium oxideStrontium fluorideStannous fluorideMagnesium oxide 118. Best view for horizontally favourable and unfavourable angle fracture:OPGPA towne's viewPA CephLateral oblique 119. Maximum amount of air that can be inhaled:Tidal capacityInspiratory reserve volumeVital capacityDead space 120. The auriculotemporal nerve encircles which of the following vessels?Superficial temporal artery.Middle meningeal artery.Deep auricular artery.Maxillary artery. 121. Which of the following is not true when fixing the matrix band for filling a Class 2 cavity with amalgam? The matrix band shouldBe higher than the occlusal surface of the toothSupport 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 loosely 122. Angulation of needle during suturing as the needle enters the tissue:As close to 0 degree as possible45 degrees90 degrees135 degrees 123. Which of the following is the best indication for transfer of maternal blood components to an infant:Plasma to prevent NAIT (Neonatal Alloimmune Idiopathic thrombocytopenia)Platelets to prevent NAITRBCs to prevent TA-GVHPlasma to prevent ITP 124. Proper radiographic infection control includes all of the following except one. Which one is the exception?Wearing gloves while making radiographsDisinfecting x-ray machine surfaceSterilizing film packetsCovering working surfaces with barriers 125. A Common site for intramuscular injection in adults:Vastus intermediusDeltoidPectoralis majorGluteus maximus 126. Medial squint occurs due to lesion of:Occulomotor nerveAbducent nerveTrochlear nerveOptic nerve 127. The propylene glycol in IV valium can cause:a unilateral facial paralysiscellulitissyncopephlebitis 128. Most common form of brain herniation isTranscalvarial herniationForaminal herniationTransfacial herniationTranstentorial herniation 129. Which of these is not a part of ethmoid boneUncinate processInferior turbinateAgger nasi cellsCribriform plate or crista gali 130. Co-factor for phosphofructokinase isZnMgFeMn 131. Identify the clasp assembly seen in the imageRPI claspI barRing claspAker clasp 132. Which one of the following skeletal muscle relaxants causes pain on injectionRocuroniumpancuroniumVecuroniumSuccinyl choline 133. True regarding Non accidental traumatic fractures all except:Costochondral joint fractureSternal fractureMetaphyseal corner fractureParietal fracture 134. Which articulator is based on arbitary theories of motionTrumanGysiWhipmixMonson 135. Multiple drug resistance is transferred throughconjugationTransformationtransductionmutation 136. In the drawing below, which area stabilizes the clamp to the tooth.CBAD 137. Most common presentation of extrapulmonary TBTubercular lymphadenitisPeritoneal TBPericardial TBTubercular meningitis 138. Pulse rate in infant is normally:130 beats/min100 beats/min60 beats/min80 beats/min 139. Microorganisms associated with periodontal health are all of the following, EXCEPT:P. IntermediaP. gingivalisS. Sanguisviscosus 140. Krebs cycle does not occur inMuscleRBCAll of the aboveHeart 141. All of the following statements concerning teratology or teratogens are true, except:The mechanism of teratogenesis is not specific for each teratogenTeratology is the study of developmental anomaliesTeratogens are chemical, physical, and biologic agents that cause developmental anomaliesSusceptibility to teratogens is variable 142. When making a diagnosis, the primary goal of your diagnostic tests is to reproduce the chief complaint. You test the suspected tooth for percussion sensitivity and palpation sensitivity. Your positive percussion findings can be interpreted as follows:There is a root fracture present.There is inflammation in the PDL and the surrounding periodontium.The tooth is nonvital and should be treated with root canal therapy.There is inflammation in the PDL. 143. Vertical dimension at rest can be defined asvertical dimension at occlusion minus freeway spaceVertical dimension at Occlusion plus freeway spaceVertical dimension at occlusion multipied by freeway spaceVertical dimension at occlusion plus freeway space 144. an epidemiological index with a true biological gradient isPMA index-Schour and maselerperiodontal index-russelsimplified oral hygiene index-green and vermilionperiodontal index-Ramfjord 145. A patient has Hemoglobin of 6 gm%. Which of the following should not be administered:Random donor plateletsFresh frozen plasmaPacked red cellsWhole blood 146. Which of the following is evident on the radiographExtrusionIntrusionRoot fractureLateral luxation 147. Neonatal teeth arePresent at birthPresent 180 days after birthErupt within 30 days of birthPresent within 45 days of birth 148. RPI clasp in a distal extension cast partial dentureProvides pull type retentionUsed for buccally tilted molarProvides push type retentionIs contraindicated 149. 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 correctThe first statement is false, but the second is correctBoth the statements are false 150. 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 151. Which of the following serves as a principal source of carbon for nonessential amino acidswatercarbohydratesureafats 152. All of the following statements are true except:The pulp cavities are proportionately larger in the primary teethThe primary teeth are darker in color than the permanent 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 counterpart 153. Styloglossus action is:Elevation of tongueDepression of tongueProtrusion of tongueRetraction of tongue 154. Actinomycosis is sensitive toLodox-uridineStreptomycinPenicillinNystatin 155. 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.Extraction is the treatment of choice.Retrograde and replantation procedures should be considered.It is no longer accessible to bacterial infection. 156. 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 157. iron deficiency anemia showsTIBC decreasedincrease in transferrin saturationTIBC is increasesincrease in transferrin receptors 158. Killer and Helper cells are part of:B cellsT cellsMonocytesMacrophage 159. Maxillary cast is attached to articulator by:Functional recordUsing facebowChanging incisal pinClinical record 160. 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 hypertensionBradycardia with hypotensionTachycardia with hypertensionSinus arrhythmia with hypotension 161. The number of branches of the internal carotid artery in neck is /are :-NoneFourTwoOne 162. Not a part of RED complex:P gingivalisP denticolaActinomycetemcomitansP forsythus 163. hydroxylation of phenylalanine to tyrosine requiresS-adenosyl methionineTetrahydrofolatePyridoxal phosphatetetrahydrobiopterin 164. True about charge in amino acidAmino group can form negative chargeAll of the aboveCarboxyl group can form positive chargeNeutral at isoelectric pH 165. Osteotomes differ from chisels In that they areSharpBi-bevelledNon bevelledSlightly curved 166. Which of the following regions of the nephron is capable of the greatest level of sodium reabsorption?Distal convoluted tubuleThick ascending limb of the loop of HenleProximal convoluted tubuleCollecting duct 167. Diabetic patient with periodontitis have significantly higher level of ______________ in GCFTNFAllInterleukin-1PGE2 168. the heat treatment of soaking the alloy at a high temp to produce a solid solution followed by quenching is known assolution heat treatmentliquid heat treatmentstrain hardening heat treatmentage hardening 169. With advancing age pattern of bone resorption in mandible becomes:Depends upon stageCentrifugal anteriorly, centripetal posteriorlyCentripetalCentrifugal 170. Insulin does not facilitate glucose uptake in the following exceptLiverRBCHeartKidney 171. Which is the earliest symptom of ParkinsonismRigidityTremorsBradykinesiaChorea 172. Widest spectrum aminoglycoside isStreptomycinAmikacinFramycetinNetimicin 173. Which one of the following is a good index of the severity of an acute disease?Five year survival.Standardized mortality ratio.Case fatality rate.Cause specific death rate. 174. Most commonly used blade for oral cavity:No. 15No. 12No.9No. 11 175. Suture with least adhesion to tissues and high plasticity is:NylonPolyglycolateProlenePDS 176. All of the following are morphological neurological complication of measles exceptEncephalitisSSPEOptic neuritisTransverse myelitis 177. 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 lineMaterial albaChromogenic bacteriaCalculus 178. 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 diameter of the tip of the file and the taper 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 file 179. True about hemorrhageReactionary hemorrhage occur at the time of surgeryNone of above is correctPrimary hemorrhage occur within 24 hr postoperativeSecondary hemorrhage occur 7 to 14 days postoperative 180. A light bluish dome shaped lesion on the inside lip of a 2 yr old child is mostlyHematomaMelanomaMucoceleHemangioma 181. Cabbage-like odour is seen inPhenylketonuriaAlkaptonuriaHartnup diseaseTyrosinemia 182. Caisson diseaseAmniotic fluid embolismGas embolismTumor embolismFat embolism 183. Which of the following is a cause of delayed healing of a fracture:Inadequate immobilizationHypertensionHypercholesterolemiaObesity 184. Infection of dangerous area of face leads toCavernous sinus thrombosisLateral sinus thrombosisCortical venous thrombosisBrain abscess 185. Statins are used for cholesterol reduction, It antagonises HMG COA reductase. What kind of inhibition is seenNon specificCompetitiveNon competitiveFunctional 186. Which of the following is not true for lidocaineUndergoes extensive first pass metabolismMost physicians use IV lignocaine only in patients with ventricular arrhythmiasInhibits both active and inactive Na channelIt is the most cardiotoxic sodium channel blockers 187. Which of the following nutrients are not included in Total Parental NutritionCarbohydratesProteinsFibersLipids 188. Right 12th nerve damage leads toNasal twang to voiceScanning speech defectsTongue deviation to left on protrusionTongue deviation to right on protrusion 189. Vertical food Impaction can be due to all exceptDifference between adjacent tooth marginal ridges and at irregular levelPeriodontal destructionOpen contacts between adjacent toothPlunger cusp 190. The most common pathway of glycolysisEntner Doudoroff pathwayUrea pathwayEmbden Meyerhof pathwayPentose phosphate pathway 191. An overextended distobuccal corner of a mandibular denture will push against which muscle during functionOrbicularis orisTemporalisMassaterZygomaticus 192. Which of these amino acids does not enter the krebs cycle by forming Acetyl-CoA via pyruvateGlycineHydroxyprolineTyrosineAlanine 193. replacing alanine by which amino acid will increase UV absorption of protein at 280um wavelengthprolineargininetryptophanleucine 194. Nerve supply to musculature of tongue is:GlossopharyngealHypoglossalVagusFacial 195. Mean respiratory rate in different kind of smokers and nonsmokers, categorized as four categories mild, moderate, heavy and nonsmoker. test used to assess the means between them -Two way ANOVAStudent t testChi square testOne way ANOVA 196. Identify the salivary gland tumor which has marked tendency to spread through perineural spacesPleomorphic adenomaMucoepidermoid carcinomaAdenoid cystic carcinomaWarthins tumor 197. Increasing urine flow rate from 1 mL/min to 10 mL/min will significantly increase the clearance ofureainulincreatininepenicillin 198. the most important bufer system in the saliva isprotein buffersphosphate buffersbicarbonate-carbonic acid buffersall of the above 199. 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.Distobuccal cusp of the first molar.Mesiobuccal cusp of the first molar.Mesiobuccal cusp of the second molar. 200. A lady with an Infant reported to clinic with the complaint of white teeth like structure, at the level of gingiva in mandibular anterior region. What should dentist do?Selective grinding & let it remainReassure the parents as root will develop laterExtract it under laExtract the structure under GA 201. What type of movement is shown here? TranslationIntrusionRotationTipping 202. Antibody to HSV will begin to appearNo antibodies are present in primary HSVAntibodies are present In recurrent and chronic apthous stomatitis In a week and reach a peak in 3 weeksOnly after one year 203. Hallucinations are seen after following anaesthesiaKetamineFentanylThiopentoneNitorus oxide 204. At what age the calcification of deciduous teeth startsSixth month of fetal lifeSeventh month of fetal lifeFourth month of fetal lifeSecond month of fetal life 205. Iron is absorbed fromstomachJejunumDuodenumIleum 206. "Classical phenyl ketonuria" is caused by deficiency ofPhenylalanine transaminasePhenylalanine hydroxylaseTyrosine hydroxylaseTyrosine transaminase 207. which of the following bacteria do not invade host tissue cellP.gingivalisT.denticolaF.NucleatumP.intermedia 208. type of collagen present in hyaline cartilage istype IItype Itype IVtype III 209. A facebow is used to record thevertical dimension of occlusion.horizontal condylar inclination.incisal guidance.relationship of the maxilla to the horizontal hinge axis. 210. nikolsky sign is not seen inscalded skin syndromecicatricial PemphigoidTENbullous Pemphigoid 211. Snow man appearance or figure of 8 appearance is seen inTransposition of great arteriesTotal anomalous pulmonary venous connectionTricuspid atresiaTetralogy of fallot 212. Rancid butter smelling of urine is seen inAlkaptonuriaTyrosinemiaPhenylketonuriaHartnup disease 213. Most common tumour of mandible in India is:Squamous cell carcinomaOsteogenic sarcomaOsteoclastomaAdammitinoma 214. 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 survey15004001200300 215. Kennedy applegate classification of partially edentulous arch does not allow consideration ofDifferentiation between tooth borne and tooth tissue supportedVisualizationUniversal acceptanceLength of the edentulous spaces 216. True about carbamoyl phosphate synthaseCatalyses condensation reactionAll are trueMitochondrial enzymeCytosolic enzyme 217. Virus is usually cultured in:Sabourouds mediumEmbryonated hen eggsRogosa blood agarNon embryonated hen eggs 218. With incresed age and irritation which form of dentin is laid downEburnated dentinSecondary dentinRepairative dentinSclerotic dentin 219. Which of the following muscles adducts the vocal cords?Vocalis.Posterior cricoarytenoid.Cricothyroid.Lateral cricoarytenoid. 220. Which of the following is found in the respiratory zone of the lung?Mucous cellsGoblet cellsType I epithelial cellsMain bronchi 221. dental plaster powder and dental stone powder differ mainly inshelf lifechemical formulasolubilityparticle porosity 222. Lactate is formed in all exceptBrainRBCsTestisLens 223. impression material of choice in patients with submucous fibrosis isaddition siliconeplaster of pariscondensation Siliconezinc oxide eugenol 224. Bacterial enzyme which causes inactivation of allergy mediating immunoglobulinCatalaseHyaluronidaseProteasePeroxidase 225. Methemoglobinemia true is:Oxidation of cytochrome oxidaseIron is oxidizedIncreased oxygen binding capacityAlteration of globin chains 226. After spleenectomy patient becomes more prone toGram +ve & anaerobicNon-encapsulatedGram -ve & anaerobicEncapsulated organisms 227. Modes of attachment of calculus to the tooth surface include all of the following, EXCEPTClose adaptation to unaltered cementumPenetration of calculus bacteria into cementumAttachment by means of an inorganic pellicleMechanical locking into surface irregularities 228. Type 1 muscle fibres areRedAnerobicGlycolyticlarge 229. Young's modulus is defined as:Limit where a material shows plastic defonnationStress/strain below elastic limitStress/strain above elastic limitArea under the stress strain curve till point of fracture 230. 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 granulomatosisscabiespoisoning by lead or other heavy metal poisoningHutchinson syndrome 231. EB virus is associated with which carcinoma:Nasopharyngeal carcinomaCarcinoma of larynxCarcinoma of bladderChronic lymphocytic leukemia 232. Which of the following lung volumes or capacities cannot be measured directly using simple spirometry?Expiratory reserve volumeFunctional residual capacityInspiratory reserve volumeTidal volume 233. Pyruvate kinase is inhibited byAll of the aboveFructose-1,6 biphosphateATPInsulin 234. Effects associated with cold working i.e lowered ductility and distorted grains can be eliminated by process known asAnnealingConcentricityEutecticStrain hardening 235. Pentameric structure:IgDIgMIgGIgA 236. Primary teeth are lighter than permanent teeth because Because of contrast with the adjacent tissueDifference in crystalline structure makes refractive index differentLighter color of enamelThin dentin in primary teeth 237. Dilatation of the pupil In head injury is due toCerebral Irritationpontine haemorrhageall of the abovecompression of III cranial nerve 238. Second gas effect is exerted by which of the following gas when coadministered with halothaneHeliumNitrous oxideNitrogenCyclopropane 239. Hemolytic Streptococci can cause serious cross infections in hospital settings. These bacteria usually harbor which site in health workers working in the hospitals:HairThroatNailsSkin 240. 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 testsPaired t testANOVAChi square testStudent t test 241. Candida albicans causes all of the following exceptMeningitisOral thrushMycetomaEndocarditis 242. When permanent maxillary lateral incisors are congenitally missing, the permanent canine may often erupt:Distal to the deciduous canineBetween the two CIsMesial to the deciduous canineMay be congenitally missing Loading...