medical MCQs – Page 285

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 Review each marked answer and report any item that may be outdated or unclear.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

5681. An oxidase-positive, gram-negative rod which produces a bluish-green pigment has been grown in culture from a swab obtained from an infected burn wound. This organism is susceptible to gentamicin, ticarcillin and tobramicin, but resistant to all the other antibiotics which of the following organisms is it likely to be ?
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A. Proteus miribilis

B. Klebsiella pnemoniae

C. Pseudomonas aeruginosa

D. Escherichia coli

5682. Immunoglobulins ar secreted by______________?
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A. Neutrophils

B. T-cells

C. Macrophages

D. Plasma cells

5683. Physical sterilization was discovered by__________________?
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A. Alexander flemings

B. John Hunter

C. Robert Koch

D. Joeph Lister

5684. Causative agents of Vincents angina_____________?
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A. Borrelia burgoloferi and lactobacillus

B. Borrelia recurrents and bateroides

C. Leptospira and Treponema pallidum

D. Borrelia vincenti and fusobacterium fusiformis

5685. Which of the following is an enrichment medium________________?
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A. Selenite F Broth

B. Nutrient Broth

C. Blood agar

D. Mac Conkey agar

5686. Steam under pressure in used in ________ sterilization?
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A. Pasteurization

B. hot air oven

C. Autoclave

D. Kochs sterilizer

5687. Widal test is specific for____________?
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A. Plague

B. Pemhigoid

C. Typhoid

D. Leprosy

5688. ASO (Antistreptolysin 0) test is uesd for the diagnosis of________________?
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A. Rheumatoid arthritis

B. Rickettsial fever

C. Typhoid fever

D. Rheumatie fever

5689. One of the following is a zoonotic disease_____________?
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A. Bacillary dysentery

B. Typhoid

C. Cholera

D. Anthrax

5690. Subacute bacterial endocarditis is caused by_____________?
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A. Haemolytic streptococci

B. Nisseria

C. Streptococcus viridans

D. Staphylococcus aureus

5691. Borrelia vincenti is always associated with______________?
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A. Spirochaetes

B. Treponema vincenti

C. Fusiform bacilli

D. None of the above

5692. Rideal Walker test is used to determine the efficiency of the_____________?
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A. Antibiotics

B. Dry heat sterilization

C. Moist heat sterilisation

D. Disinfectant

5693. Phagocytosis enhanced by coating the surface of antigen is called______________?
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A. Opsonisation

B. CFT

C. De coding

D. Chemotaxis

5694. The minimum time required for the sterilization of surgical instruments by moist heat at 134C is__________________?
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A. 30 minutes

B. 15 minutes

C. 3 minutes

D. 60 minutes

5695. A diabetic patient developed cellulitis due to staphylococcus aureus, which was found to be Methicillin resistant on the antibiotic sensitivity testing. All of the following antibiotics will be appropriate EXCEPT________________?
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A. Linezolid

B. Vancomycin

C. Imipenem

D. Teichoplanin

5696. Smith noguchis media is used for_______________?
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A. Spirochetes

B. Klebsiella

C. Salmonella

D. Bacillus

5697. Group A B-hemolytic streptococcal infection of the pharynx may be followed in some by_____________?
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A. Syphilis

B. Typhoid fever

C. Rheumatic fever

D. Diphtheria

5698. Nagglers reaction detects________________?
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A. Lecithinase

B. None of the above

C. Coagulase

D. Hyaluronidase

5699. Bacteria with tuft of flagella at one end are called_______________?
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A. Lophotrichate

B. Bipolar

C. Peritrichate

D. Monotrichate

5700. The bacterial cell wall has all of the following properties except______________?
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A. It is the structure principally responsible for the reaction of gram staining

B. It consists of a mixed polymer called peptidoglycon

C. It contains D-isomers of amino acids

D. It is a unique flexible plastic structure

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