Medical MCQs

Page No. 9

Which of the following is correct?


aFibronectin helps in attachment of fibroblasts to collagen

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bCementicles are found in periodontal ligament of order individuals

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cThe large nerve fibres are myelinated and are concerned with discerment of touch

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dAll of the above

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View Answer All of the above

Which of the following is not correct ?


aIn case of pituitary gigantis, all sinuses assume a larger volume than normal

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bIn chronic infections, the pain may mimic neuralgia of dental origin

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cMalignant lesions of maxillary sinus produce their manifestations in maxillary teeth

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dNone of the above

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View Answer None of the above

Decrease the porosity


aH2O interferes with hygroscopic expansion

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bH2O inhibits polymerization of dental resin

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cH2O interferes with Crystallization of dihydrate

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d Gypsum is slightly soluble in water and the surface of the cast will be eroded

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The deoxidizing agent added to dental alloys is______________?


aPalladium

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bSilver

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cCopper

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dZinc

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View Answer Zinc

Function of wetting agents used in casting procedure is_________________?


aTo felicitate wetting of ring liner

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bTo felicitate mixing investment

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cTo reduce contact angle of liquid with max surface

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dFor better wax elimination

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The rate of tarnish and corrosion of class II cast material having VHN 200 is_______________?


a 0%

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b2 to 3%

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c 5 to 10%

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d <1%

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View Answer 0%

Within an hour after cementation of cast gold onlay patient complains of shooting pain every time the teeth comes together Most probable explanation is ______________?


aSupracocclusion of restoration

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bRetained cement in gingival sulcus

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cExcess acid in mix

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dGalvanic current caused by gold onlay occluding with a large restoration

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Modern dental noble metal casting alloys generally have equiaxed fine grain structures because of the incorporation of small amounts of______________?


aChromium

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bIndium

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c Irridium

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dPalladium

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View Answer Irridium

Which of the following properties of dental materials is time dependent_______________?


aCreep

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bResillience

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cElastic limit

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dUltimate strength

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View Answer Resillience

The commonest method of detection of diptheria carriers is_______________?


aSchick test

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bDick test

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cCasoni’s test

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dCharles’ test

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View Answer Schick test

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