medical MCQs – Page 125

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

medical Mcqs

1. oral anatomy 2. microbiology 3. oral pathology and medicine 4. physiology 5. biochemistry 6. general anatomy 7. dental materials 8. pharmacology 9. pathology 10. oral histology

2481. For adhesion to be present between solid and liquid________________?
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A. Should have high contact angle

B. Liquid should wet solid surface

C. None of the above

D. Mechanical interlocking should be present

2482. What is the polymerization shrinkage if 3:1 powder: liquid ratio is used____________?
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A. 10%

B. 8%

C. 6%

D. 21%

2483. The mechanism of genetic transfer where a phage serves as a vehicle is_______________?
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A. Transduction

B. Conjugation

C. Translation

D. Lysogeny

2484. Stainless steel orthodontic wire can be hardened by________________?
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A. Work hardening

B. Age hardening

C. Precipitation hardening

D. Tempering

2485. VLC resins are also called as______________?
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A. Heat activated resins

B. Light activated resins

C. Tertiary amine-activated resins

D. Microwave-activated resins

2486. Widal test is specific for____________?
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A. Plague

B. Leprosy

C. Typhoid

D. Pemhigoid

2487. Maxwell Voigt Model is to determine________________?
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A. Elastic Behaviour

B. Plastic Behaviour

C. Viscoelastic Behaviour

D. All of the above

2488. All are true about widel test except________________________?
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A. H antigen cannot differentiate between subtypes

B. High titre value in a single widal test is not confirmative

C. O antibodiest last longer and hence is not indicative of recent infection

D. Base lines differ depending on the endemicity of the disease

2489. cAMP reaction is shown by which streptococci ?
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A. Group D

B. Group A

C. Group C

D. Group B

2490. A fluid having constant viscosity that does not depend upon the strain rate is said to be_______________?
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A. Plastic

B. Pseudoplastic

C. Viscoelastic

D. Newtonian

2491. KHN value of Amalgam is_________________?
0

A. 343

B. 67

C. 90

D. 450

2492. Nagglers reaction detects________________?
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A. Hyaluronidase

B. Lecithinase

C. None of the above

D. Coagulase

2493. One of the claims for the superiority composite resin restoration over silicate cement restorations is that the resin restorations_____________?
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A. Are practically insoluble in oral fluids

B. Prevent galvanic action

C. Have a higher coefficient of thermal expansion

D. Adapt to the walls of the cavity better

2494. The type of spatula used to mix composite is________________?
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A. Stainless steel

B. None of the above

C. Iron

D. Plastic

2495. One of the following is a treponemal test for diagnosis of syphilis_____________?
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A. FTAB

B. Kahn test

C. Widal test

D. Wasserman test

2496. Dentin bonding agents usually contain_____________?
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A. Only Hydrophobic component

B. Lyophillic and lyophobic component

C. Hydrophobic and hydrophilic component

D. Only Hydrophilic component

2497. Causative agents of Vincents angina_____________?
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A. Leptospira and Treponema pallidum

B. Borrelia recurrents and bateroides

C. Borrelia vincenti and fusobacterium fusiformis

D. Borrelia burgoloferi and lactobacillus

2498. The single most important laboratory test for determining the virulence of staphylococci is___________?
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A. Hemolysis of sheep erythrocytes

B. Mannitol fermentation

C. Detection of coagulase

D. The catalase test

2499. The % of free monomer in a heat cured acrylic resin is_______________?
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A. 3% to 5%

B. 0.2% to 0.5%

C. 8% to 10%

D. 0.6% to 0.8%

2500. Which of the following procedure is indicated to produce cross-linking in the polymerization of linear chains of acrylic_______________?
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A. Addition of grain refining agents

B. Incorporation of terminating agents

C. Addition of difunctional monomers

D. Increasing the amount of heat required for linear polymerization

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