medical MCQs – Page 292

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 Review each marked answer and report any item that may be outdated or unclear.

5821. The exact part of the antigen that reacts with the immune system is called as_____________?
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A. Idiotope

B. Clone

C. Epitope

D. Paratope

5822. Secretory piece of IgA is synthesized in______________?
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A. Lymph nodes

B. Mucosal epithelium

C. B-cells

D. T-cells

5823. Example of immune complex hyper-sensitivity reaction is______________?
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A. Transfusion reaction

B. Serum sickness

C. Atopic allergy

D. Contact dermatitis

5824. Bacterial spores are destroyed by_______________?
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A. Disinfection by hypochlorite solution

B. Boiling at 100C

C. Autoclave

D. Pasteurisation

5825. Streptococcus is classified based on__________________?
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A. Bile Solubility

B. Cultural characteristics

C. M Protein

D. Cell wall carbohydrate
5826. Erysipelas is caused by________________?
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A. Pneumococci

B. Group A steptococci

C. Group B staphylococci

D. Gonococci

5827. The most frequently encountered clostridial species in gas gangrene is______________?
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A. Clostridium tetani

B. Clostridium botulinum

C. Clostridium difficile

D. Clostridium welchii
5828. About Psedomonas. All are true except________________?
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A. Strick aerobes

B. Most common organism is burn patient

C. Can grow in disinfectants in hospital

D. Infection is mostly due to endogenous source
5829. The optimal time and temperature required for sterilization in an autoclave is___________________?
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A. 121C 15 mts. x 15 lbs pr.

B. 121F x 15 sec. x 15 lbs pr.

C. 140C x 2 hrs. x 10 lbs pr.

D. 121F x 15 mts. x 15 lbs pr.

5830. All of the following are true of streptococcus except_____________?
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A. Most common is animals

B. Shows adherence to dental enamel

C. Its group of lactic acid production bacteria

D. Most common in humans

5831. The best sterilization method for a hand-piece is________________?
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A. All of the above

B. Ethylene oxide gas

C. dry heat

D. chemical vapour

5832. Vibrio cholera was discovered by_________________?
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A. Medintoff

B. Koch

C. Virchow

D. John snow

5833. Thumb print appearance in culture film smear is seen______________?
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A. Brucella species

B. Clostridium weichii

C. Bordetelia pertussis

D. Bacillus anthracis

5834. True about VDRL test________________?
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A. Best followed for drug therapy

B. Slide flocculation test

C. Non Specific

D. All of the above
5835. The urine sample of a patient has been sent to the laboratory to look for Leptospira. The specimen is to be screened by use of the__________________?
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A. Inverted microscope

B. Electron microscope

C. Scanning microscope

D. Dark ground microscope
5836. Cell wall deficient bacteria are_______________?
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A. Staphylococci

B. Mycoplasma

C. Escherichia Coli

D. Spirochetes

5837. Tuberculin test screens for_____________?
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A. Hemoral immunity

B. Cell mediated immunity

C. Complement function

D. Phagocyte dysfunction

5838. The predominant immunoglobulin in saliva is_______________?
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A. IgG

B. IgD

C. IgE

D. IgA
5839. In initial stages of tyhoid, salmonella can be detected in________________?
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A. Blood

B. All of the above

C. Feacus

D. Urine

5840. Lancefields classification of B hemolytic streptococcus is based on______________?
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A. Type of lipid in cell membrane

B. M Protein

C. Polysaccharide C antigen

D. Physiological properties