mcq2004

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7. The ideal length of core in the fabrication of crown and coreof endodontically treated tooth is,A. 1.5 of crown lengthB. The length of the crownC. 2/3 tooth/root length

D. ½ root length

8. If aesthetic is not a concern what is the first thing to do totreat soreness under dentures,A. Take the denture off for a weekB. Rinse the denture in nystatinC. Apply tissue conditioner

9. While you finishing a class I cavity, the enamel is sound butyou noticed in the dentine and on the Dento-enamel junctiona brown line, what is your response,A. You leave it and complete the final restorationB. You extend you preparation and clean i tC. You apply a cover of varnish

10. Dental caries of the proximal surfaces are usually start at,A. Somewhere between the ridge and the contact areaB. Just gingival to contact areasC. Just about the gingival margin

11. What is the property of high copper amalgamA. Reduced physical creepB. Higher retention

12. In regards to colours what is Chroma stands for,A. Degree of saturation of hueB. BrightnessC. ValueD. Contrast

13. Frankfort plane extends from,A. horizontally from Sella to nasionB. Sagittal from ….C. Horizontally from point on superior aspect of external

auditory meatus to orbitale

14. Which of the following local anaesthetic is indicated incase of the need to long acting one after a surgical operation,A. LidocaineB. MepivacaineC. Bupivacaine (Marcaine)

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15. In respect to Lidocaine 2% with 1:100000 vasoconstrictor,

A. The toxic threshold is 22mlB. 8.8 ml is the maximum you can give in one session

16. Which one of this restorative method will be LEASTcompromised by a core,A. AmalgamB. CompositeC. GICD. Cast gold

17. In preparing a very small proximal amalgam cavity on amolar tooth what would consider,A. Extend the cavity to the gingival marginB. Extend the cavity beyond the contacts areasC. Achieve at least 2mm in dentineD. Extend cavity just beyond dento enamel junction

18. What is true about partial dentures,A. They cause an immediate changes in the oral plaquebehaviourB. Night wearing of dentures reduces plaque accumulationC. Relieving the gingival area reduces the gingivalenlargement.

19. The biting load of denture base to tissues compared toteeth are,A. Ten times moreB. Ten times lessC. Equal

20. Compound is,A. Very accurate compression materialB. Thermoplastic material

21. the different between normal stone and the dye stone is,A. In the particles sizeB. The amount of water

22. What sort of reaction happens in the GIC restorations,A. Acid Base reaction

23. A patient comes to you with medium pain of tooth filledwith Composite resin as a result of cold or hot drinks, whatyour initial management will be,A. Remove the restorative material and start an Endontic

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treatmentB. Remove the restorative material and place a sedativetemporary materialC. Place a coat of bonding material on the old composite

24. Throbbing pain increases with heat and cold stimuli, theMOST probable diagnosis is,A. CystB. Occlusal traumaC. Advanced pulpitis

25. In making your custom trays which of the following istrue,A. A uniform thickness is requiredB. Perforation is betterC. Only adhesive is better than perforation

26. The beam that leaves the target is called,A. The primary X-rayB. The electronsC. The secondary raysD. X-rays photons

27. The most common cause of caries in children is,A. Soft dietB. High intake of carbohydrateC. Poor oral hygiene

28. The best storage media for avulsed tooth is,A. SalineB. MilkC. WaterD. Saliva

29. An occlusal approaching clasp TIP,A. Should occupy a predetermined undercutB. Contact the tooth under the survey lineC. Rigid

30. In the construction of partial denture the surveyor is notused to,A. Contour the wax as part of the fabrication of the workingcastB. Locate the guide planesC. Determine the location of indirect retainersD. Identify any undesirable undercuts

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31. The advantage of the silicone in soft relining material over….. rubber is,A. Retains high flowB. Prevents the colonization of Candida albicansC. Resilient in long run

D. Better bond strength

32. The main purpose of finishing the enamel walls is,A. Remove loose enamel rodsB. Provide a better surface for the adoption of restorativematerial

33. A female patient comes to you complaining of persistentpain in heavilyrestored central incisor; you suspect pulpitis and you havebeen told that sheis in transit leaving by plane next day. Your treatment will be,A. Remove filling and place a sedative dressingsB. Pulp extirpation and obturate with Ledermix dressingsC. Prescribe analgesics and systemic antibiotic

34. which of the following is true regarding TMJ dysfunction,A. It is always due to arthritis, should be treated with NSAIDSbefore attempting surgeryB. Raising bite increases the space in the joint and should beattempted before surgeryC. It is mostly due to the medial movement of the condylarhead over the glenoid fossa

35. the location of Class V is in,A. The buccal pit /fissure/B. The occlusal surfaceC. The cervical third

36. Occlusal cavity with extension of the buccal fissure isclassified as,A. Class IIB. Class IIIC. Class I

37. Which of the following does not affect the elasticity of retentive clasp?A. Length of the armB. The cross section shapeC. The material usedD. The undercut area

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38. Following calcium hydroxide pulpotomy, the dentist wouldexpect dentine bridge to form at,A. The exact level of amputationB. Level some where below the amputationC. Half way between amputation and apex

D. At the apical region of the tooth

39. In the construction of a full veneer gold crown, futurerecession of gingival tissue can be prevented or at leastminimised by,A. Extension of the crown 1 mm under the gingival creviceB. Reproduction of normal tooth incline in the gingival onethird of the crownC. Slight over contouring of the tooth in the gingival one fifthof the crownD. Slight under contouring of the tooth in the gingival one fifthof the crown

40. A partial denture that seats on the master cast but fails toseat correctly in the mouth is a result of,A. Contraction of the metal framework during castingB. Insufficient expansion of the investment materialC. Distortion of impressionD. Failure to block out unwanted undercuts

41. Which of the following muscles may affect the borders of mandibular complete denture?A. MentalisB. Lateral pterygoidC. Orbicularis orisD. Levator orisE. Temporalis

42. Jaw relations for edentulous patient have beenestablished. The maxillary casthas been mounted on the articulator without face-bow andyou decided toincrease the occlusal vertical dimension by 4 mm. this willnecessitate,

A. Opening the articulator 4 mmB. A new centric relation recordC. Changes in the condylar guide settingsD. Increase in the vertical dimension

43. What is correct in regards to high copper amalgam,A. Reacts and strengthens the amalgam by its dispersionproperties

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B. Reacts to form copper-tin phase thereby eliminating thetin-mercury phaseC. Reacts to form copper-silver phase thereby eliminating thesilver mercury phaseD. Reacts and strengthens the amalgam by its grain diffusion

44. What is the best way to get optimum adoption of ceramicto metal,A. Slow firingB. High compression

45. What is the main purpose of using corticosteroids in pulpalobturation material?A. For their antibiotic actionB. For their antiinflammatory actionC. To relief pulp pressure

46. Which of the following statements is incorrect regardingSmoker’s Keratosis?A. Typically affects the hard palateB. Minor mucous glands are swollen with red orificesC. There is a little regression if smoking is stopped

September 2004 Paper 2MCQs1. The blood supply to the denture bearing areas of themaxillaA. Superior Maxillary arteryB. Grand/greater palatine artery

2. What could be MOST cariogenic,A. Consuming a lot of carbohydrate with mealsB. Consuming a lot of elective sweets during mealsC. Excessive consumption of sugar soft drinks all dayD. Consumption of elective sweets between meals

3. 13 years old boy comes to you with excessive hyperplasiaof the gingiva as a result of Phenytoin what is yourmanagement,

A. Stop the medicationB. Force a strict oral hygiene and surgical removal of excessgingival tissuesC. Debridement and conservative approach

4. During swallowing, a) suprahyoid muscles relax b)masseter contract c) tongue touches the palateA. a and b

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Credits c)widening of the wound by removal of some stitchesd)antihistaminic intake

3)commonest cause of septal perforation is:a)trauma

b)syphilisc)lupusd)blood disease

4)stapedectomy is the operation of choice for:a)otosclerosisb)bell's palsyc)meniere's diseased)cholesteatoma

5)saddle nose may be due to the following except:a)overresection of septal cartilageb)nasal traumac)septal abcessd)rhinosceleroma

6)the best treatment of mild epistaxis from little s area is:a)anterior nasal packb)cautery of the bleeding pointc)posterior nasal packd)blood transfusion

7)referred otalgia may be due to the following except:

a)acute suppurative otitis mediab)quinsyc)dental infectiond)maxillary sinusitis

8 ) a 3 years old boy complained of suuden acute respiratory distress, with spasmodiccough, cyanosis & acting accessory respiratory muscles is most probably due to :a)acute follicular tonsillitisb)foreign body inhalationc)adenoid hypertrophyd)vocal cord nodule

9)proptosis may be due to the following except:a)frontoethmoideceleb)osteomata of the frontoethmoidc)antrochoanal polypd)nasopharyngeal fibroma

10)the most serious complication after tonsillectomy:

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a)respiratory obstructionb)reactionary haemorrhagec)incomplete removald)infection

11)otoscopic manifestation of chronic secretory otitis media may include the followingexcept:a)perforation at pars flaceidab)transverse handle of malleousc)absent cone of lightd)air bubbles behind the tympanic membrane

12)tonsillectomy is absolutely contraindicated in:a)chronic tonsillitisb)quinsyc)haemophiliad)below five years

13)a newly born infant with respiratory distress & different feeding is more likely to be dueto:a)laryngeal web at the anterior half of vocal cordsb)bilateral posterior choanal atresiac)congenital subglottic stenosisd)congenital meatal atresia

14)unilateral offensive blood tinged purulent rhinorrhea in a 3 years old is more l ikely dueto:a)rhinosceleroma

b)lupusc)foreign bodyd)adenoid

15)the following are manifestations of meinere's disease except :a)vertigob)posterior reservoir signc)sensory hearing lossd)tinnitus

16)examination of the chest is more important in :

a)fixed right vocal cordb)fixed left vocal cordc)singer's nodulesd)laryngemalacia

17)manifestations of otogenic facial nerve paralysis may include the following except:a)deviation of the mouth to the same side of lesion

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b)inability to show the teeth on whistlec) inability to close the eyed)inability to raise the eyebrow

18 )conservative septoplasty is:

a)surgical correction of deviated septum above 17 years b)surgical correction of deviatedseptum below 17 years c) closed reduction of fractured septum by ash's forceps

19)a 20 years old man c/o fever & increasing sore throat with drippling of saliva &trismusfor only 2 days on examination( the right tonsil pushed medially & forward ) no response toantibiotics ..rapid relief can be obtained by : a)short course of radiotherapyb)assurance & restc)antidephtheric serumd)incision & drainage

20)the most common cause of conductive deafness is:a)otosclerosisb)secretory otitis mediac)congenital ossicular fixationd)collection of wax

21)anosmia may be caused by:a)peripheral neuritisb)nasal obstructionc)atrophic rhinitisd)all of the above

22)posterior nasal pack may be used in :

a)nasopharyngeal carcinomab)epistaxis from little's areac)CSF rhinorrhead)post_ adenoidectomy bleeding

23)ottitic barotraumas is charactarised by:a)attic perforationb)middle ear effusionc)mucopurulant discharged)central drum perforation

24)otosclerosis mean:a)congenital fixation of incusb)fixation of stapes by fibrous tissuec)ossicular disruptiond)none of the above

25)all of the followings are absoulute contraindications for tonsillectomy except:a)rheumatic fever

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b)heamophiliac)advanced renal disease

26)unilateral clear watery nasal discharge reducing fehling's solution is suggestive of:a)CSF rhinirrhea

b)allergic rhinitisc)viral rhinitisd)nasal dipheteria

27)the most common cause of oroantral fistula is:a)acute sinusitisb)car accidentc)dental extraction of upper second premolar toothd)radical antrum operation

28)ear wash is indicated in the following conditions except:a)waxb)otomycosisc)impacted F.B in the eard)caloric test

29)post-tonsillectomy otalgia is mediated through:a)vagus nerveb)glossolaryngeal nervec)trigeminal nerved)second & third cervical nerve

30)nasopharyngeal carcinoma is managed by:

a)surgical resectionb)surgical resection followed by radiotherapyc)radiotherapy

31)trotter's triad include the followings except:a)otalg iab)epistaxisc)deafnessd)deviation of the septum

32)the medial wall of the middle ear shows all the following anatomical features except:a)eustichian tube orifice

b)horizontal part of facial nervec)promontoryd)oval & round windows

33)the most common cause for posterior septal perforation is:a)T Bb)syphilisc)leprosyd)scleroma

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d)sense of nasal obstruction

42)sever headache, vomiting, dysphagia ,&visual field defects in a patien withcholesteatoma indicate:a)secretory otitis media

b)otogenic facial paralysisc)distant metastasisd)temporal lobe abcess

43)unilateral malignant tumor of the vocal cord with subglottis ectension & lymph nodemetastasisis best treated by: a)unilateral cordectomyb)total laryngectomy with neck dissectionc)cheomotherapyd)tracheostomy only

44)the commenst presentation of laryngeascleroma is:a)vocal cord paralysisb)stridor & hoarsnessc)pain & night sweatingd)metastatic lymph node

45)the commenst nasal polyps are: a)ethmoidal polypb)antrochoanal polypsc)bleeding polypd)inverted papilloma

46)ludwig's angina is manifested by:

a)unilateral submandibular swellingsb)parotid abcessc)parapharyngeal abcessd)sublingual & submental cellulites

47)forign body nose in a child is better extracted:a)under local anaethesiab)under spinal anaethesiac)without anaeathesiad)under general anaethesia

48)the following are possible complications of ear wash except:a)perforation of the tympanicmembraneb)paralysis of facial nervec)caloric reactiond)syncope

49)suppurative labyrinthitis may complicate:

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36) b37) a38 ) d39) b40) c

41) a42) d43) b44) b45) a46) d47) d48 ) b49) c50) c

_________________Niharika here....

mcq2004

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