medical MCQs – Page 119

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 Review each marked answer and report any item that may be outdated or unclear.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

2361. If resin is packed in sandy stage what will be seen in the processed denture ?
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A. Inhomogeneous colour

B. Increased strength

C. Porosity

D. Distortion

2362. Materials which has high compressive strength and low tensile strength is classified with property of________________?
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A. Malleability

B. Ductility

C. Resilient

D. Brittleness

2363. Flow of a material refers to_______________?
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A. The consistency of material when mixing

B. Continued change of the material under a given load

C. The homogencity of gypsum products

D. Dimensional change of the material during settings

2364. Wasserman test test is diagnostic of__________________?
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A. TB

B. Tyhoid

C. Syphilis

D. Gonorrhea

2365. Inactivated microorganisms are used in the manufacture of which of the following________________?
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A. Salk vaccine

B. All of the above

C. Tetanus toxoid

D. Sabins oral vaccine

2366. To prevent porosity in self-cure acrylic resin, curing should be carried in______________?
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A. Under tap water

B. Under vacuum pressure

C. Hot water

D. Cold water

2367. About polymerization shrinkage of composite all are true, except______________?
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A. Acid etching and priming will decrease polymerization shrinkage

B. Polymerization shrinkage is greater if bonded surface area is lesser than unbounded surface area

C. Polymerization shrinkage is high if within the enamel margins

D. Microleakage can occur because of polymerization shrinkage

2368. Leptospirosis, all are true except______________?
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A. Incubation period is 10 days

B. It is sensitive to penicillin

C. Faeces & urine of rodents is the cause

D. Onset of IgM in 2 days

2369. One bottle system of adhesive resins_____________?
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A. Separate etching step not required

B. Separate etching step is still required

C. 4th generation bonding agents

D. Contains only primer

2370. Which one of the following is used as filler in composite resins ?
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A. Aluminium

B. Silicates

C. Quartz

D. Zinc particles

2371. Which of the following zones is used for melting alloy during casting______________?
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A. Oxidizing flame

B. All of the above

C. Reducing flame

D. Green flame

2372. Vibrio cholera was discovered by_________________?
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A. Virchow

B. Medintoff

C. Koch

D. John snow

2373. Group A carbohydrate of Str. pyogenes cross reacts with human_________________?
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A. Vascular intima

B. Myocardium

C. Cardiac valves

D. Synovial fluid

2374. If resin is packed in sandy stage what will be seen in the processed denture ?
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A. Inhomogeneous colour

B. Distortion

C. Porosity

D. Increased strength

2375. The temperature required for cultivating mycobacterium________________?
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A. 2 degree

B. 27 degrees

C. 37 degrees

D. 0 degree

2376. Tuberculin test screens for_____________?
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A. Hemoral immunity

B. Phagocyte dysfunction

C. Complement function

D. Cell mediated immunity

2377. Bacteria acquire characteristics by all the following except_______________?
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A. Through plasmids

B. Through bacteriophages

C. Incorporating part of host DNA

D. Through conjugation

2378. Subsurface porosity is due to_____________?
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A. Thickness of the resin

B. Thermal changes

C. Lack of temperature

D. Packing past the dough stage

2379. Fimbriae are demonstrated by ___________________?
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A. Culture

B. Gram stain

C. Biochemical reaction

D. Haemagglutination test

2380. Toxic shock syndrome is due to the following virulence factor_____________?
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A. Streptolysin 0

B. M protein

C. Pyrogenic exotoxin

D. Carbohydrate cell wall

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