medical MCQs – Page 116

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 Review each marked answer and report any item that may be outdated or unclear.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

2301. The structure in involved in bacterial attachment to cell surface is_______________?
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A. Fimbria

B. Capsule

C. Flagella

D. None of the above

2302. Organ of locomotion in bacteria is________________?
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A. Cell wall

B. Flagella

C. Fimbria

D. Capsule

2303. Which of the following inhibitor accelerator system uses light activation composite ?
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A. Diketone-amine

B. Peroxide-amine

C. Organic acid-peroxide

D. Organic acid-metal oxide

2304. Which of the following is an example of a composite material ?
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A. Gold alloy

B. Colloidal silica

C. Wax

D. A filled resin

2305. Malignant pustule is referred to_________________?
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A. Facio-cervical actinomycosis

B. Infected squamous cell carcinoma

C. None of the above

D. Cutaneous anthrax

2306. Benzoin methyl ether in a polymer indicates that they may be cured in the presence of________________?
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A. UV light

B. Infrared light

C. Diketone

D. Visible light

2307. Which one of the following is used as filler in composite resins ?
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A. Silicates

B. Zinc particles

C. Quartz

D. Aluminium

2308. All are true about bordetella pertussis except______________?
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A. Presence of antibodies in serum in diagnostic of the disease

B. It may occur in children and young adult after vaccination

C. Bacteria culture from nasopharyngeal swab is the definitive diagnosis

D. Most common cause is B. Petrussis

2309. The commonest method of detection of diptheria carriers is_______________?
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A. Casonis test

B. Charles test

C. Dick test

D. Schick test

2310. Non metal which conducts elactricity______________?
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A. Carbon

B. Acrylic

C. Porcelain

D. Graphite

2311. When restoring a tooth with resin material, acid etching can do all of the following except______________?
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A. Permit chemical bonding between resin and enamel

B. Increase the surface area

C. Create surface irregularities in enamel for better mechanical retention of resin

D. Condition the tooth surface for better wetting

2312. Radio opacity to composite resins is rendered by_______________?
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A. Fluoride particles

B. Silica glass

C. Barium glass and strontium glasses

D. Organic matrix

2313. In self-cure acrylic resin, activator is_____________?
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A. Quaternary ammonium compound

B. Tertiary amine

C. Toluidine

D. Benzoyl peroxide

2314. Thumb print appearance in culture film smear is seen______________?
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A. Bacillus anthracis

B. Brucella species

C. Bordetelia pertussis

D. Clostridium weichii

2315. The imperfection seen on the lingual flange of a lower denture caused by rapid heating during a curing cycle is called_____________?
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A. Gas inclusion porosity

B. Micro porosity

C. Surface porosity

D. Localised Shrinkage porosity

2316. The polymerization of self-curing resin takes faster in______________?
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A. Under pressure

B. Cold water

C. In vaccum

D. Hot water

2317. In initial stages of tyhoid, salmonella can be detected in________________?
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A. Urine

B. All of the above

C. Feacus

D. Blood

2318. Anaerobic bacteria grow_______________?
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A. in the presence of nitrogen

B. in the presence of oxygen

C. differential media

D. in the absence of oxygen

2319. Bacteria with potent exotoxin is_______________?
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A. Pseudomonas

B. Clostridium tetani

C. Shigella

D. Klebsiella

2320. The point at which a stress of a material exhibits a specific limited deviation P is called_______________?
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A. Yield strength

B. Proportional limit

C. Tensile strength

D. Ultimate strength

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