5000 Plus MCQs for Lab Technician and Technologists are designed to test the knowledge and proficiency of laboratory professionals who work in the field of clinical laboratory science. These questions cover a wide range of topics related to laboratory science, including anatomy, physiology, microbiology, chemistry, and hematology.
1951 to 2000 MCQs for Lab Technician and Technologist Exam Preparation
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Questions 1951 to 2000
Identify the correct statement regarding Robert Koch:
- a) He is known as the father of bacteriology
- b) The causative organism of cholera, Vibrio cholerae, was identified by him
- c) He discovered the hypersensitivity phenomenon
- d) All the above
Father of antiseptic surgery is:
- a) Louis Pasteur
- b) Robert Koch
- c) Antonie Van Leeuwenhoek
- d) Lister
Which among the following is a contribution by Louis Pasteur in the field of microbiology?
- a) Techniques of Pasteurization
- b) Process of Fermentation
- c) Rabies, cholera and anthrax vaccine
- d) All the above
Mycobacterium leprae is also known as:
- a) Golden bacilli
- b) B. Koch’s bacillus
- c) Magical bacilli
- d) Hansen’s bacilli
Drug of choice to treat leprosy is:
- a) Rifampicin
- b) Acyclovir
- c) Zidovudine
- d) Dapsone
Mycobacterium tuberculosis is also known as:
- a) Golden bacilli
- b) Koch’s bacillus
- c) Magical bacilli
- d) Hansen’s bacilli
Correct statement regarding microscope is:
- a) Electrons are used as a source of illumination in Electron microscope
- b) Antonie Van Leeuwenhoek developed microscope first time
- c) Knoll & Ruska developed electron microscope
- d) All the above
All of the following are acid-fast organisms EXCEPT:
- a) Mycobacterium tuberculosis
- b) Nocardia
- c) Isospora belli
- d) Staphylococcus
Bacterial structure involved in respiration is:
- a) Ribosome
- b) Pili
- c) Mesosome
- d) Flagella
Identify correct statement regarding bacteria:
- a) Respiration, cell division and sporulation are the functions of mesosome in bacteria
- b) Capsule in bacteria enables adherence to surface and protection against phagocytosis
- c) Heterotrophs are the bacteria that are unable to synthesize their own food materials
- d) All the above
Correct regarding cocci are ………….
- a) Cocci are spherical shaped bacteria
- b) Cocci present in chain is known as streptococci
- c) Cocci present in the shape of grapes is known as staphylococci
- d) All the above
Coma shaped bacteria are known as
- a) Staphylococci
- b) Streptococci
- c) Vibrio
- d) Bacillus
Which of the following is most resistant to sterilization?
- a) Tubercle bacilli
- b) Viruses
- c) Spores
- d) Prions
Endoscope is sterilized by:
- a) Glutaraldehyde
- b) Formaldehyde
- c) Autoclaving
- d) Hot air oven
Recommended transport medium for stool specimen suspected to contain Vibrio cholerae is:
- a) Buffered glycerol saline medium
- b) Venkatraman-Ramakrishanan medium
- c) Nutrient broth
- d) Blood agar
Which is an enriched media?
- a) Selenite F broth
- b) Peptone water
- c) MacConkey agar
- d) Chocolate agar
Which of the following factor does not affect microbial growth? (RPSC Nsg Tutor 2009)
- a) Moisture
- b) Disinfection
- c) Darkness
- d) Temperature
Agar concentration required to prepare nutrient agar is:
- a) 1-2%
- b) 4-6%
- c) 0.25-0.5%
- d) 0.5-1%
HIV is a
- a) Retrovirus
- b) DNA virus
- c) Fungus
- d) Bacteria
MRSA is mediated due to
- a) Plasmid
- b) Chromosome
- c) Transposons
- d) None
All of the following are vector-borne diseases except
- a) Malaria
- b) Filariasis
- c) Rubella
- d) Chagas disease
Primary immune response: the correct statement is
- a) Involves IgG
- b) Antibody producing cells, Memory B cell
- c) No lag period
- d) Slow and sluggish
Which of the following infectious agents can be transmitted through blood transfusion?
- a) HIV
- b) Treponema pallidum
- c) Toxoplasma gondii
- d) All of the above
Which one of the following is a post-streptococcal sequelae:
- a) Acute rheumatic fever
- b) Cellulitis
- c) Pharyngitis
- d) Impetigo
A positive tuberculin test is indicated by an area of induration of:
- a) <5 mm in diameter
- b) 6-9 mm in diameter
- c) 10 mm in diameter
- d) No induration
Diagnostic test used for typhoid fever is
- a) Blood culture
- b) Dick Test
- c) Shick test
- d) Widal test
Diagnostic test used for diphtheria is
- a) Blood culture
- b) Dick Test
- c) Shick test
- d) Widal test
Diagnostic test used for TB is…..
- a) Mantoux test
- b) Dick Test
- c) Shick test
- d) Widal test
Diagnostic test used for scarlet fever is ….
- a) Mantoux test
- b) Dick Test
- c) Shick test
- d) Widal test
Diagnostic test used for typhus fever is
- a) Mantoux test
- b) Dick Test
- c) Shick test
- d) Weil Felix
Route of injecting Shick test toxin / purified protein derivative (Mantoux test) is
- a) Intra vascular
- b) Intra dermal
- c) Intra muscular
- d) Subcutaneous
Site for injecting Shick test toxin / purified protein derivative (Mantoux test) is
- a) Right upper arm
- b) Left upper arm
- c) Left forearm
- d) Right forearm
Most accurate method of diagnosis of Helicobacter pylori is:
- a) Culture
- b) Biopsy urease test
- c) Histopathology
- d) Urea breath test
All of the following viruses are transmitted by respiratory route except:
- a) Influenza virus
- b) Rota virus
- c) Respiratory syncytial virus
- d) Rhinovirus
Acid fast staining is used to detect
- a) Mycobacterium TB
- b) Ctetani
- c) HIV/AIDS
- d) Meningococci
During the window period of patient with AIDS, best diagnostic test is:
- a) ELISA
- b) Western Blot
- c) Rapid test
- d) RT-PCR
Best indicator of HIV prognosis
- a) CD4 T cell count
- b) CD8 T cell count
- c) HIV RNA
- d) ELISA
Most effective mode of transmission of HIV:
- a) Sexual
- b) Blood product
- c) Needle/syringe
- d) Mother of fetus
Most common malignancy in AIDS is:
- a) Kaposi sarcoma
- b) B-cell lymphoma
- c) Leukemia
- d) Burkitt’s lymphoma
Food poisoning is caused by:
- a) Clostridium perfringens
- b) Clostridium botulism
- c) Corynebacterium diphtheriae
- d) Clostridium tetani
Which of the following is used for sterilization of cystoscopes, endoscopes, and bronchoscopes?
- a) Gluteraldehyde
- b) Ethanol
- c) Methanol
- d) Ethylene oxide
Method of sterilization used for culture media is:
- a) Autoclave
- b) Hot air oven
- c) Pasteurization
- d) None of the above
Which of the following is a LIVE ATTENUATED VACCINE?
- a) BCG vaccine
- b) Rabies vaccine
- c) Diphtheria toxoid
- d) Tetanus toxoid
Which of the following single dose is sufficient for immunization?
- a) Live attenuated vaccine
- b) Killed vaccine
- c) Toxoids
- d) None of the above
The method of killing of all microorganisms including their spores is known as:
- a) Sterilization
- b) Disinfection
- c) Incineration
- d) Lysis
The method of reducing the number of pathogens from any article, surface, or medium is called:
- a) Sterilization
- b) Disinfection
- c) Incineration
- d) Lysis
The causative agent of Tuberculosis (T.B.) is:
- a) Mycobacterium tuberculosis
- b) Mycobacterium leprae
- c) Treponema pallidum
- d) Borrelia species
The causative agent of Syphilis is:
- a) Mycobacterium tuberculosis
- b) Mycobacterium leprae
- c) Treponema pallidum
- d) Borrelia species
VDRL test is used for the diagnosis of:
- a) Syphilis
- b) Tuberculosis
- c) Pneumonia
- d) AIDS
Which of the following is a moist heat method of sterilization?
- a) Boiling
- b) Autoclaving
- c) Hot air oven
- d) Both a & b
Answer Key Summary
The questions are typically designed to assess the technical skills and knowledge required for the laboratory profession, including the ability to analyze laboratory test results, perform laboratory procedures, and maintain laboratory equipment.
To prepare for these MCQs, candidates should have a thorough understanding of the key concepts and principles of laboratory science. They should also be familiar with common laboratory equipment and procedures, as well as laboratory safety protocols.
Candidates may also benefit from studying specific laboratory science textbooks or taking online courses that cover the material tested in the MCQs. Additionally, practicing sample MCQs and reviewing the answers can help candidates identify areas where they may need to improve their knowledge or skills.
Overall, the MCQs for lab technologists are designed to be challenging and comprehensive, requiring candidates to demonstrate a high level of proficiency in the field of laboratory science.
