medical MCQs – Page 283

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 Review each marked answer and report any item that may be outdated or unclear.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

5641. Most of the drug resistances occurs due to_____________?
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A. Transformation

B. Transduction

C. conjugation

D. Mutation

5642. The world german measles is applied for_____________?
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A. Herpes simplex

B. Herpetic ginglvostomatitis

C. Rubeola

D. Rubella

5643. Rapid evaluation of fungal hyphae/spores can be achieved with_______________?
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A. KOH wet mount

B. Grocott Gomori Methenamine silver

C. Peri-iodic Acid Schiff

D. Hematoxylin and Eosin

5644. Moist heat kills all of the following EXCEPT_______________?
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A. Coxiella burnetti

B. Mycobacterium

C. Brucella

D. Salmonella

5645. Group A carbohydrate of Str. pyogenes cross reacts with human_________________?
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A. Cardiac valves

B. Vascular intima

C. Synovial fluid

D. Myocardium

5646. 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

5647. A 6 year old boy comes with abdominal pain, vomiting after consuming mild products within 6 hours. The most likely organism responsible is______________?
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A. B.Cereus

B. Salmonella

C. Clostridium botulinum

D. Staph. aureus

5648. Growth factor needed for Salmonella_________________?
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A. B-12

B. Citrate

C. Niacin

D. Tryptophan

5649. compared with autoclave, use of a dry heat over for sterilization has the following disadvantages______________?
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A. Causes sharp instruments to dull

B. Time-consuming

C. Causes instruments to rust

D. Less effective

5650. VDRL is a________________?
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A. Tube agglutination test

B. Latex agglutination test

C. Tube flocculation test

D. Slide flocculation test

5651. Anaerobic bacteria grow_______________?
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A. in the presence of oxygen

B. in the presence of nitrogen

C. differential media

D. in the absence of oxygen

5652. The commonest method of detection of diptheria carriers is_______________?
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A. Schick test

B. Casonis test

C. Dick test

D. Charles test

5653. One of the following is a treponemal test for diagnosis of syphilis_____________?
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A. FTAB

B. Widal test

C. Kahn test

D. Wasserman test

5654. cAMP reaction is shown by which streptococci ?
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A. Group A

B. Group D

C. Group C

D. Group B

5655. Which of the following organisms are arranged in cubical packets of eight cocci________________?
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A. Aerococcus

B. Sarcina

C. Micrococcus

D. Staphylococcus

5656. Which of the following is obligate aerobe ?
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A. Pseudomonas aerogenosa

B. Proteus

C. coli

D. diphtheria

5657. Function of T-lymphocyte is/are________________?
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A. Production of interferon

B. Rosette formation

C. Lymphokine production

D. All of the above

5658. A full course of immunization agianst. Telanus with 3 doses to Tetanus toxoid, confers immunity for how many years ?
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A. 10

B. 20

C. 15

D. 5

5659. An elderly male patient presented with fever, chest pain, and dry cough, sputum culture showed growth on charcoal yeast Extract Medium, theorganism is______________?
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A. Moraxella catarrhalis

B. Legionella

C. H. influenza

D. Burkholderia cepacia

5660. The single most important laboratory test for determining the virulence of staphylococci is___________?
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A. Detection of coagulase

B. Mannitol fermentation

C. The catalase test

D. Hemolysis of sheep erythrocytes

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