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MCQ’s Chapter 40 (Lab)

Some of Common Questions and Answers for Laboratory Technicians and Technologists.

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MCQs Chapter 40
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Questions 1951 to 2000

  1. Identify correct statement regarding Robert Koch
    1. He is known as father of bacteriology
    2. the causative organism of cholera, Vibrio cholera was
    3. identified by him
    4. He discovered hypersensitivity phenomenon
    5. All the above
  2. Father of antiseptic surgery is
    1. Louis Pasteur
    2. Robert Koch
    3. Antonie Van Leeuwenhoek
    4. Lister
  3. which among the following is a contribution by Louis Pasteurin the field of microbiology?
    1. Techniques of Pasteurization
    2. Process of Fermentation
    3. Rabies, cholera and anthrax vaccine
    4. All the above
  4. Mycobacterium leprae is also known as ……………
    1. Golden bacilli
    2. B. Koch’s bacillus
    3. Magical bacilli
    4. D. Hansen’s bacilli
  5. Drug of choice to treat leprosy is ………
    1. Rifampicin
    2. Acyclovir
    3. Zidovudine
    4. Dapsone
  6. Mycobacterium tuberculosis is also known as
    1. Golden bacilli
    2. Koch’s bacillus
    3. Magical bacilli
    4. Hansen’s bacilli
  7. Correct statement regarding microscope is…….
    1. Electrons are used as a source of illumination in Electron microscope
    2. Antonie Van Leeuwenhoek developed microscope first time
    3. Knoll & Ruska developed electron microscope
    4. All the above
  8. All of the following are acid-fast organisms EXCEPT
    1. Mycobacterium tuberculosis
    2. Nocardia
    3. Isospora belli
    4. Staphylococcus
  9. Bacterial structure involved in respiration is
    1. Ribosome
    2. Pili
    3. Mesosome
    4. Flagella
  10. Identify correct statement regarding bacteria
    1. Respiration, cell division and sporulation are the functions of mesosome in bacteria
    2. Capsule in bacteris enables adherence to surface and protection against phagocytosis
    3. Heterotrophs are the bacteria that are unable to Synthesize their own food materials
    4. All the above
  1. Correct regarding cocci are ………….
    1. Cocci are spherical shaped bacteria
    2. Cocci present in chain is known as streptococci
    3. Cocci present in the shape of grapes is known as staphylococci
    4. All the above
  2. Coma shaped bacteria are known as
    1. Staphylococci
    2. Streptococci
    3. Vibrio
    4. Bacillus
  3. Which of the following is most resistant to sterilization?
    1. Tubercle bacilli
    2. Viruses
    3. Spores
    4. Prions
  4. Endoscope is sterilized by:
    1. Glutaraldehyde
    2. Formaldehyde
    3. Atuoclaving
    4. Hot ait oven
  5. Recommended transport medium for stool specimen suspected a contain VibrioCholerae is:
    1. Buffered glycerol saline medium
    2. Venkatraman-Ramakrishanan medium
    3. Nutrient broth
    4. Boood agar
  6. Which is an enriched media?
    1. Selenite F broth
    2. Peptone water
    3. MacConkey agar
    4. Chocolate agar
  7. Which of the following factor does not affect microbial growth?(RPSC Nsg Tutor 2009)
    1. Moisture
    2. Disinfection
    3. Darkness
    4. Temperature
  8. Agar concentration required to prepare nutrient agar is:
    1. 1-2%
    2. 4-6%
    3. 0.25-0.5%
    4. 0.5-1%
  9. HIV is a
    1. Retrovirus
    2. DNA virus
    3. Fungus
    4. Bacteria
  10. MRSA is mediated due to
    1. Plasmid
    2. Chromosome
    3. Transposons
    4. None
  11. All of the following are vector bone diseases except
    1. Malaria
    2. Filariasis
    3. Rubella
    4. Chagas disease
  12. Primary immune response the correct statement is:
    1. Involves IgG
    2. Antibody producing cells. Memory B cell
    3. No lag period
    4. Slow and sluggish
  13. Which of the following infectious agents can be transmitted through blood transfusion?
    1. HIV
    2. Treponemapallidum
    3. Toxoplasmagondi
    4. All of the above
  14. which one of the following is post streptococcal sequelae:
    1. Acute rheumatic fever
    2. Cellulitis
    3. cPharyngitis
    4. impetigo
  15. A positive tuberculin test is indicated by and area of induration of:
    1. <5mm in diameter
    2. B. 6-9 mm in diameter
    3. 10 mm in diameter
    4. Noinduration
  16. Diagnostic test used for typhoid fever is
    1. Blood culture
    2. Dick Test
    3. shick test
    4. Widal test
  17. Diagnostic test used for diphtheria is
    1. Blood culture
    2. Dick Test
    3. Shick test
    4. Widal test
  18. Diagnostic test used for TB is…..
    1. Mantoux test
    2. Dick Test
    3. hick test
    4. Widal test
  19. Diagnostic test used for scarlet fever is ….
    1. Mantoux test
    2. Dick Test
    3. shick test
    4. Widal test
  20. Diagnostic test used for typhus fever is
    1. Mantoux test
    2. Dick Test
    3. shick test
    4. Weil Felix
  1. Route of injecting shick test toxin/ purified protein derivative(mauntox test) is …………
    1. Intra vascular
    2. Intra dermal
    3. intra muscular
    4. Subcutaneous
  2. Site for injecting shick test toxin/ purified protein derivative mauntox test) is …
    1. Right upper arm
    2. Left upper arm
    3. Left fore arm
    4. Right forearm
  3. Most accurate method of diagnosis of Helicobacter pylori is:
    1. Culture
    2. Biopsy urease test
    3. Histopathology
    4. Urea breath test
  4. All of the following viruses are transmitted by respiratory route except:
    1. influenza virus
    2. Rota virus
    3. Respiratory syncytial virus
    4. Rhinovirus
  5. Acid fast staining is used to detect
    1. Mycobacterium TB
    2. Ctetani
    3. HIV/AIDS
    4. Meningococci
  6. During the window period of patient with AIDS, best diagnostic test is:
    1. ELISA
    2. Western Blot
    3. Rapid test
    4. RT-PCR
  7. Best indicator of HIV prognosis
    1. CD4T cell count
    2. CD8 T cell count
    3. HIV RNA
    4. ELIS
  8. Most effective mode of transmission of HIV:
    1. Sexual
    2. Blood product
    3. Needle/syringe
    4. Mother of fetus
  9. Most common malignancy in AIDS is;
    1. Kaposi sarcoma
    2. B-cell lymphoma
    3. Leukemia
    4. Burkitt’s lymphoma
  10. Food poison is caused by ..
    1. Clostridium perfringens
    2. Clostridium botulism
    3. Corynebacteriumdiphtherae
    4. Clostridium tetani
  11. Which of the following is used for sterilization of ystoscopesendoscopes and bronchoscopes?
    1. Gluteraldehyde
    2. Ethanol
    3. Methanol
    4. Ethylene oxide
  12. Method of sterilization used for culture media is…
    1. Autoclave
    2. Hot air oven
    3. Pasteurization
    4. None of the above
  13. Which of the following is LIVE ATTENUATED VACCINE?
    1. BCG vaccine
    2. Rabies vaccine
    3. Diphtheria toxoid
    4. Tetanustoxoid
  14. Which of the following single dose is sufficient for immunization
    1. Live attenuated vaccine
    2. Killed vaccine
    3. Taxoids
    4. None of the above
  15. The method of killing of all microorganisms including their spores is known as
    1. Sterilization
    2. Disinfection
    3. Incineration
    4. Lysis
  16. The method of reducing the number of pathogens from anyarticle, surface or medium is called as
    1. Sterilization
    2. Disinfection
    3. Incineration
    4. lysis
  17. The causative agent of Tuberculosis (T.B.) is
    1. Mycobacterium tuberculosis
    2. Mycobacterium leprae
    3. Treponemapallidum
    4. Borrelia species
  18. The causative agent of Syphilis is
    1. Mycobacterium tuberculosis
    2. Mycobacterium leprae
    3. Treponemapallidum
    4. Borrelia species
  19. VDRL test is used for the diagnosis of
    1. Syphilis
    2. Tuberculosis
    3. Pneumonia
    4. AIDS
  20. Which of the following is moist heat method ofsterilization?
    1. Boiling
    2. Autoclaving
    3. Hot air oven
    4. Both a &b

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