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.
2851 to 2900 MCQs for Lab Technician and Technologist Exam Preparation
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Questions 2851 to 2900
- One of the following statement about statements about sterilization is not true_____?
- Liquid paraffin ? Dry heat
- Glass syringes ? Boiling at 169°C for 60 min
- Flash pasteurization of milk ? 72° C for 15 seconds, followed quickly by rapid cooling to 13°C for lower
- Vaccines ? Ethylene oxide ✔️
- Moist heat kills all of the following EXCEPT______?
- Brucella
- Mycobacterium
- Salmonella
- Coxiella burnetti ✔️
- Which component of the cell wall is responsible_______?
- Region I
- Region II
- Region III ✔️
- Boivin antigen
- Region I
- T cell matures in____?
- Payers patch
- Lymph node
- Thymus ✔️
- Busra of Fabricius
- CD4 cells recognize the antigens in association with______?
- MHC I
- MHC II ✔️
- MHC III
- B-cell receptor
- IL-1 is produced by______?
- Helper T cells
- Helper B cells
- Monocytes
- Macrophages ✔️
- Grave’s disease is an example of type immunologic response______?
- Type I
- Type II ✔️
- Type III
- Type IV
- Type IV hypersensitivity reaction is mediated by which of the following_______?
- B-cells
- Active T cells ✔️
- NK cells
- Plasma cells
- Which of the following is a live vaccine______?
- 17 D
- Salk
- Hepatitis
- HDCV ✔️
- Techoic acid is present in_____?
- Cell wall of Gram positive organisms ✔️
- Cell wall of Gram negative organisms
- Cytoplasm of Gram positive organisms
- Cytoplasm of Gram negative organisms
- Which of the following are correctly matched ?
- Transfer of antibody from mother to child is through colostrum and acquired passive immunity naturally
- Injection of antibodies (Hepatitis) is artificially acquired passive immunity
- Antigenic stimulus given by vaccine (polio) is artificial active immunity
- All of the above ✔️
- Selective media for MYCOBACTERIUM _?
- Sabourauds medium
- Agar – agar
- Lowenstein Jensen medium ✔️
- Loefflers serum slope
- Which of the following provides best gurantee for sterlization in the heat sterilizer ?
- Using chemical indicator strip or pouch
- Recording a temperature/ pressure readings from sterilizer guage
- Using a bacterial spore test ✔️
- Determining the ability of a sterilizer to kill the hepatitis B virus
- The serum concentration of which of the following human IgG subclass is maximum ?
- IgG1 ✔️
- IgG2
- IgG3
- IgG4
- Glassware are sterilized by_____?
- Autoclaving
- Hot air oven ✔️
- Incineration
- Formaldehyde
- Function of T-lymphocyte is/are_____?
- Production of interferon
- Lymphokine production
- Rosette formation
- All of the above ✔️
- Heptane is______?
- Same as epitopes
- Carrier required for specific antibody production ✔️
- High molecular protein
- None of the above
- Delayed tuberculin test response is due to______?
- B lymphocytes
- T lymphocytes ✔️
- Monocytes
- Histiocytes
- VDRL is a______?
- Slide flocculation test ✔️
- Tube flocculation test
- Tube agglutination test
- Latex agglutination test
- Secretory piece of IgA is synthesized in____?
- T-cells
- B-cells
- Lymph nodes
- Mucosal epithelium ✔️
- Immunoglobulin consists of______?
- 2 light, 2 heavy chains ✔️
- 1 heavy, 2 light chains
- 1 light, 1 heavy chain
- 3 light, 1 heavy chain
- The exact part of the antigen that reacts with the immune system is called as_____?
- Clone
- Epitope ✔️
- Idiotope
- Paratope
- Phagocytosis enhanced by coating the surface of antigen is called______?
- Opsonization ✔️
- Chemotaxis
- De coding
- CFT
- Immunoglobin, Which is produced first by the fetus in response to infection______?
- IgG
- IgA
- IgM ✔️
- IgD
- Plasmid______?
- Involved in multidrug resistance transfer
- Involved in conjugation
- Imparts capsule formation
- Imparts pili formation
- Both First and Second ✔️
- Operation theatres are sterilized by____?
- Carbolic acid spraying
- Washing with soap and water
- Formaldehyde fumigation ✔️
- ETO gas
- Hospital dressing is best disposed by______?
- Incineration ✔️
- Dumping
- Autoclaving
- Burying
- Which of the following organisms are arranged in cubical packets of eight cocci_______?
- Staphylococcus
- Micrococcus
- Sarcina ✔️
- Aerococcus
- Sporulation occurs in_______?
- Lag phase
- Log phase
- Stationary phase ✔️
- Decline phase
- Graft versus host reaction is caused by______?
- B-Lymphocytes
- T-lymphocytes ✔️
- Monocytes
- Leukocytes
- Smith noguchi’s media is used for______?
- Salmonella
- Klebsiella
- Spirochetes ✔️
- Bacillus
- Noguchi’s medium is used for______?
- Bordetella
- Brucella
- Borrelia ✔️
- None of the above
- One of the following staining methods is an example of negative staining_______?
- Gram’s staining
- Fontana’s staining
- India ink preparation ✔️
- Zheil-Neilson’s staining
- Bacteria with tuft of flagella at one end are called_______?
- Monotrichate
- Peritrichate
- Bipolar
- Lophotrichate ✔️
- Exaltation is______?
- Decreased virulence
- Increased Virulence ✔️
- No change
- None
- First released immunoglobulin after primary immunization_____?
- IgD
- IgE
- IgG
- IgM ✔️
- B.C.G untrue is____?
- live vaccine
- T.B vaccine
- Orally administered ✔️
- All of the above
- Sterilisation control for moist heat is “or” The efficacy of the moist heat sterilization technique commonly used to sterlilize laboratory ware and culture media is tested by using______?
- using Bacillus stearo thermo philus ✔️
- Using non-pathogenic strain of clostridium tetani
- Using chemical indicator
- Using methylene blue
- Endotoxins differ from exotoxins in that endotoxins_____?
- are proteins
- are heat labile
- are highly antigenic
- activate complement by the alternate pathway ✔️
- Detergents used to disinfect dental instruments in the office kill bacteria by interfering with functional of the cell______?
- wall
- nucleus
- membrane ✔️
- Capsule
- The immediate type of hypersensitivity in which histamine doses not play a major role is________?
- Urticaria
- Asthma
- Anaphylaxis
- Arthus reaction ✔️
- The binding site for complement on the IgG molecule is in the_______?
- VL domain
- CL domain
- CH1 domain
- CH2 domain ✔️
- Serum sickness syndrome is an example of_______?
- Anaphylactic
- Angioneurotic edema
- Cell-mediated immunity
- Systemic arthus reaction ✔️
- Immunoglobulins are secreted by_______?
- Macrophages
- Plasma cells ✔️
- T-cells
- Neutrophils
- A darkfield microscope would be useful in examining blood for_______?
- Treponema ✔️
- Actinomyces
- Streptococcus
- Mycobacterium
- Disinfection frees the surface from_______?
- Vegetative forms ✔️
- Spore forms
- Both of the above
- None of the above
- An example of naturally acquired passive immunity is________?
- Hepatitis vaccination
- Gamma globulin injection
- Immune blood transfusion
- Placental transfer of antibodies ✔️
- Which of the following is an enrichment medium________?
- Blood agar
- Selenite F Broth ✔️
- Mac Conkey agar
- Nutrient Broth
- Synthesis of antibodies in plasma cells occurs in_________?
- Golgi body
- Endoplasmic reticulum ✔️
- Nucleus
- Mitochondria
- Immunoglobulin implicated in atopy and anaphylaxis is________?
- IgE ✔️
- IgM
- IgG
- IgA
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.
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