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.
3351 to 3400 MCQs for Lab Technician and Technologist Exam Preparation
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Questions 3351 to 3400
- Agglutination reaction is strongest with the immunoglobulin:
a. IgM ✔️
b. IgG
c. IgA
d. IgD - The use of monoclonal antibodies is
a. Immunotherapy ✔️
b. Gene therapy
c. Blood transfusion
d. Organ transfusion - Hybridoma technique is used for
a. Monoclonal antibodies ✔️
b. Polyclonal antibodies
c. Both a and b
d. None of these - Test used for AIDS is
a. Widal test
b. ELISA ✔️
c. Aggluatination
d. CFT - Antibody having high valency is
a. IgG
b. IgA
c. IgD
d. IgM ✔️ - Intensity of attraction between antigen and antibody molecule is known as
a. Affiniy ✔️
b. Avidity
c. Reaction
d. None of these - Active immunity is induced by
a. Infection ✔️
b. Placental transfer of antibodies
c. Injection of antibodies
d. Injection of gamma- globulins - Pasteur developed the vaccines for
a. Anthrax
b. Rabies
c. Chicken cholera
d. All of the above ✔️ - Delayed type of hypersensitivity is seen in
a. Penicillin allergy
b. Contact dermatitis ✔️
c. Arthus reaction
d. Anaphylaxis - The fo l low ing are used for the preservation of virus, except
a. Freezing (–20°C–70°C)
b. Lyophilization
c. Ether ✔️
d. Formaldehyde - Antibody formation depends on
a. Age of the person
b. Amount of antigen
c. Well being of the person
d. All of the above ✔️ - Local immunity is important in
a. Influenza
b. Allergy
c. Polio
d. All of these ✔️ - Role of magnesium in vaccine is
a. Adjuvant
b. Stabilizer ✔️
c. Conditioner
d. All of these - Immunity is life long following
a. Diphtheria
b. Tetanus
c. Measles ✔️
d. Yellow fever - To prepare vaccine for small pox, the material used by Edward Jenner is
a. Small pox material
b. Chicken pox material
c. Cow-pox material ✔️
d. Measles material - During recombination, the strain that donates genetic material frequently with high rate:
a. Hfr-Strain ✔️
b. F+-Strain
c. F-Strain
d. both a and c - The character acquired by the cell due to recombination is
a. Inheritable
b. Syppressed
c. Dominating
d. Heritable ✔️ - T-cells are produced from
a. Bonemarrow
b. Thymus ✔️
c. Spleen
d. None of these - Antibodies are produced from
a. T-cells
b. â-cells ✔️
c. NK cells
d. Eosinophils - Incomplete antigens are called
a. Immunogens
b. Epitomes
c. Haptens ✔️
d. Paratope - To be antigen, the chemical molecule (protein) needs
a. High molecular weight
b. Chemical complexity
c. Both a and b ✔️
d. None of these - The parts which filter lymph are
a. Lymph nodes ✔️
b. Spleen
c. Thymus
d. Bone marrow - The primary cells involved in immune response are
a. NK-cells
b. K-cells
c. Lymphocytes ✔️
d. None of these - Plasma cells are the end cells of
a. T-cells
b. ß-cells ✔️
c. Killer cells
d. Nk-cells - Basophils have receptors for antibodies
a. IgG
b. IgA
c. IgM
d. IgE ✔️
- Because of denaturat ion, ant igens become functionless, these are called:
a. Cross-reactive antigens
b. Epitopes
c. Hidden epitopes ✔️
d. Forssman antigens - Capacity of antigen to breakdown into small fragments eachwith a single epitopic region is known as
a. Solubility ✔️
b. Froeignness
c. Denaturation
d. None of these - Antigenic specificity is due to
a. Chemical complexity
b. Solubility
c. Steric configuration ✔️
d. All of these - Antibodies are
a. Proteins
b. Glycoproteins ✔️
c. Phospholipids
d. None of these - General purpose antibody is
a. IgA
b. IgG ✔️
c. IgM
d. IgD - Antibody present in colostrums is
a. IgG
b. IgA ✔️
c. IgM
d. IgE - Which antibody is called millionaire molecule?
a. IgA
b. IgM ✔️
c. IgG
d. IgD - IgE is discovered by
a. Ishizaka ✔️
b. Porter
c. Richet
d. None of these - Antigen-antibody reactions are
a. Reversible
b. Irreversible
c. Specific
d. Both a and b ✔️ - Serological reactions are useful for
a. Detection of antigens
b. Detection of antibodies
c. Both a and b ✔️
d. None of these - For the separation of antigens the method used is
a. Immunoelectrophoresis ✔️
b. Flocculation
c. Agglutination
d. None of these - Counter immunoelectrophoresis is useful for detection of
a. One antigen/antibody ✔️
b. Two antigens/antibody
c. More than two
d. None of these - When a particular antigen is mixed with antibody in the presence of an electrolyte at suitable temperature and pH the particles are clumped, this is called:
a. Precipitation
b. Agglutination ✔️
c. Electrophoresis
d. CIE - Toxins and viruses can be detected by
a. Precipitation
b. Agglutination
c. Neutralisation ✔️
d. None of these - Which is most antigenic?
a. Exotoxins ✔️
b. Endotoxins
c. Viruses
d. All of these - Shick test is used for the detection of
a. Diphtheria ✔️
b. T.B.
c. Cholera
d. Typhoid - Secondary function of complements are
a. Haemolysis
b. Phagocytosis
c. Both a and b ✔️
d. None of these - Very effective, less time consuming and at a time so many samples can be detected by
a. ELISA ✔️
b. CFT
c. Neutralization
d. Agglutination - â-cells are involved in
a. Humoral immunity ✔️
b. Cell-mediated immunity
c. Active immunity
d. Passive immunity - Innate immunity is
a. Specific
b. Non-specific ✔️
c. Active
d. Passive - Innate immunity is developed by
a. Mechanical barriers
b. Chemical barriers
c. Both a and b ✔️
d. None of these - Acquired immunity is
a. Natural
b. Artificial
c. Active & Passive
d. All of these ✔️ - Acquired immunity can be developed by
a. Natural means
b. Artificial means
c. Both a and b ✔️
d. None of these - Immediate type hypersensitivity reactions are
a. Type-I
b. Type-II
c. Type-III
d. All a, b and c ✔️ - Immediate type of hypersensitivity reactions are mediated by
a. T-cells
b. ß-cells ✔️
c. Mast cells
d. Macrophages - Example for cell-mediated immunity are
a. Tuberculin type
b. Contact dermatitis
c. Granulomatous
d. All of these ✔️
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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