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.
3951 to 4000 MCQs for Lab Technician and Technologist Exam Preparation
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Questions 3951 to 4000
Most common opportunistic infection in AIDS is?
- a) Cryptococcosis
- b) Tuberculosis
- c) Candidiasis
- d) Aspergilosis
Identify correct statement regarding Robert Koch
- a) He is known as father of bacteriology
- b) The causative organism of cholera, Vibrio cholerae was identified by him
- c) He discovered 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) 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 bacteris 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-Ramakrishnan 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
When Flagella is present all around the cell it is called
- a) Amphitrichous
- b) Monotrichous
- c) Peritrichous
- d) Lopotrichous
India ink is used to demonstrate the following part of bacteria
- a) Cell wall
- b) Nucleus
- c) Capsule
- d) Flagella
Reflected light is used in
- a) Light microscope
- b) Phase contrast microscope
- c) Darkfield microscope
- d) Electron microscope
Bacteria that grow between 25 to 40°C are
- a) Capnophilic
- b) Psychrophilic
- c) Thermophilic
- d) Mesophilic
Shape of cocci
- a) Rod
- b) Spherical
- c) Comma
- d) Spiral
Best way of sterilizing disposable plastic syringes is
- a) UV rays
- b) Autoclave
- c) Gamma rays
- d) Hot air oven
The most suitable disinfectant for decontamination of HIV contaminated endoscope is (MAH19)
- a) 1% sodium hypochlorite
- b) 2% glutaraldehyde
- c) 5% phenol
- d) 70% ethanol
Flexible fibre optic endoscopes are sterilized by
- a) Autoclave
- b) Cetrimide
- c) 2% glutaraldehyde
- d) Gamma-radiation
Which of the following organism can survive pasteurization by Holder method?
- a) Mycobacterium
- b) Brucella
- c) Salmonella
- d) Coxiella burnetii
Temperature and duration for flash process of Pasteurization
- a) 77°C for 20 seconds
- b) 100°C for 20 seconds
- c) 63°C for 20 seconds
- d) 63°C for 30 minutes
Sterilization of heat labile media is done by
- a) Filtration
- b) Pasteurization
- c) Autoclaving
- d) Tyndalization
Immunoglobulin that is inactivated at high temperature
- a) IgG
- b) IgA
- c) IgM
- d) IgE
Immunoglobulins are
- a) Glycolipids
- b) Glycoproteins
- c) Polypeptides
- d) Proteoglycans
Exotoxins are usually
- a) Protein
- b) Heat labile
- c) More antigenic
- d) Non-enzymatic
True about exotoxins
- a) Produced only by gram positive bacteria
- b) Neutralized by antitoxin
- c) Less potent than endotoxin
- d) Pyrogenic
The function of an adjuvant in a vaccine is to enhance its
- a) Distribution
- b) Immunogenicity
- c) Absorption
- d) Shelf life
The immunity resulting in the infant, as a result of immunization of a pregnant woman with tetanus toxoid is called
- a) Innate immunity
- b) Natural active immunity
- c) Artificial active immunity
- d) Natural passive immunity
Anti-D given to a Rh negative pregnant woman with Rh-positive fetus, before delivery is an example of
- a) Artificial active immunity
- b) Artificial passive immunity
- c) Natural passive immunity
- d) Adoptive immunity
Gram-positive bacterials which is usually sensitive to penicillin is
- a) Staphylococcus aureus
- b) Enterococcus faecalis
- c) Streptococcus pyogenes
- d) Staphylococcus epidermidis
Streptococ causing neonatal meningitis
- a) Group-A
- b) Group-B
- c) Group-C
- d) Group-D
Which of the following gram positive bacteria is responsible for food poisoning?
- a) Mycoplasmas
- b) Pseudomonas
- c) Clostridia
- d) All of the above
Methicillin resistance bacteria are
- a) Streptococci
- b) Pseudomonas
- c) Haemophilus
- d) Staphylococci
The organism causing UTI in sexually active women
- a) Staphylococcus aureus
- b) Staphylococcus epidermidis
- c) Staphylococcus saprophyticus
- d) Streptococcus viridians
Antibiotic used in Toxic shock syndrome
- a) Vancomycin
- b) Cephalosporins
- c) Streptomycin
- d) Clindamycin
Grave’s disease belongs to
- a) Type I hypersensitivity
- b) Type II hypersensitivity
- c) Type III hypersensitivity
- d) Type IV hypersensitivity
Type of hypersensitivity involved in Rh incompatibility
- a) Type I hypersensitivity
- b) Type II hypersensitivity
- c) Type III hypersensitivity
- d) Type IV hypersensitivity
Chemically an antigen may be
- a) Lipid
- b) Polysaccharide
- c) Protein
- d) Any of the above
Chemically an antigen may be
- a) Lipid
- b) Polysaccharide
- c) Protein
- d) Any of the above
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.
