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.
3401 to 3450 MCQs for Lab Technician and Technologist Exam Preparation
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Questions 3401 to 3450
Mountaux reaction is used for detection of
- a) T.B.
- b) Diphtheria
- c) Cholera
- d) None of these
All the antibodies produced from a β-cell are having
- a) Similar specificity
- b) Different specificities
- c) Similar size
- d) None of these
Hybridoma formation in hybridoma technique is from
- a) Spleen cell – Myeloma cell
- b) Spleen cell – Spleen cell
- c) Myeloma cell – Myeloma cell
- d) None of these
Anthrax vaccine is prepared by
- a) Attenuated bacilli
- b) Killing the bacilli
- c) Live bacilli
- d) None of these
Attenuated, oral poliomyelitis vaccine is
- a) BCG
- b) Measles vaccine
- c) Sabin vaccine
- d) TAB vaccine
Killed, polio vaccine is
- a) Sabin vaccine
- b) Salk
- c) BCG
- d) TAB
Measles vaccine is given to children at the age of
- a) 1 year
- b) 7 months
- c) between 9 months and 10 years
- d) None of these
Pertussis vaccine is
- a) Heat killed
- b) Formalin killed
- c) Attenuated
- d) live
DPT is
- a) Triple vaccine
- b) Double vaccine
- c) Tetanus toxoid
- d) All of these
DPT is used as vaccine for
- a) Diphtheria
- b) Pertussis vaccine
- c) Tetanus toxoid
- d) All of these
DPT is given to children at the age of 16-24 months, as the dose is
- a) 0.5 ml at intervals of 4 weeks
- b) A booster dose of 0.5 ml
- c) Both a and b
- d) None of these
If more than one kind of immunizing agent is included in the vaccine, it is
- a) Cellular vaccine
- b) Recombinant vaccine
- c) Mixed vaccine
- d) Toxoid vaccine
Vaccines are prepared from killed microbes, they are
- a) Inactivated (killed) vaccine
- b) Attenuated vaccines
- c) Autogenous vaccine
- d) None of these
Vaccines used against viral infections are
- a) Measles and Mumps vaccine
- b) Cholera vaccine
- c) Typhoid vaccine
- d) Anti-rickettsial vaccine
If the microbes used in the vaccine are obtained from patient, they are
- a) Anti viral vaccines
- b) Anti bacterial vaccines
- c) Autogenous vaccines
- d) None of these
Vaccines prepared from toxins and chemicals are
- a) Cellular vaccines
- b) Sub-cellular vaccines
- c) Attenuated vaccines
- d) Heterologous vaccines
Example for live vaccine is
- a) Rubella & BCG
- b) Polio & TAB
- c) Diphtheria & Tetanus
- d) Hepatitis A & Rabies
DPT is given for the prevention of
- a) Diphtheria, Tetanus
- b) Diphtheria, Pertusis
- c) Diphtheria, Tetanus & Pertusis
- d) None of these
The live vaccines are available against the following viruses, except:
- a) Influenza
- b) Measles
- c) Rabies
- d) Polio
HIV can be transmitted through
- a) Blood
- b) Semen
- c) Vaginal fluid
- d) All of these
Animals are naturally immune to infection caused by
- a) V. Cholera
- b) S. typhosa
- c) Both a and b
- d) None of these
The immunity acquired by inoculation of living organism of attenuated virulence is
- a) Artificial active immunity
- b) Passive immunity
- c) Natural active immunity
- d) Local immunity
Organisms can be attenuated for inoculation by
- a) Growing it at a temperature higher than optimum
- b) By passage through animals of different species which are less susceptible to it
- c) By continuous cultivation in presence of antagonistic substance
- d) Any one of the above
- e) None of these
Passive immunity lasts for the period of about
- a) 10 days
- b) 2 – 3 months
- c) 10 years
- d) None of the above
The markers helpful in detecting anti immunity are
- a) Hyper gamma globulinaemia
- b) Circulating antibodies
- c) Response to cortisone
- d) Lymphoid hyperplasia
- e) All of these
Following substance may act as an antigen
- a) Egg albumin
- b) RBC and serum
- c) Vegetable protein
- d) Snake venom
- e) All of these
H antigen are present in
- a) Motile organ
- b) Non-motile organ
- c) Both a & b
- d) None of these
Antitoxin is used for _ immunization.
- a) Active
- b) Passive
- c) Both a and b
- d) None of these
The agglutinin test is used for _
- a) Identification of isolated bacteria
- b) Typing of bacterial species
- c) Study of antigenic structure of bacteria
- d) All of these
- e) None of these
In blood transfusion it is essential that
- a) Blood of homologous group should always be same
- b) Direct matching between patient’s serum and donor’s corpuscles be performed
- c) Both a & b
- d) None of these
To be anaphylactic, the sensitizing substance should be
- a) Protein in nature
- b) Should have a large molecular weight
- c) Soluble in tissue fluids
- d) All of the above
- e) None of these
The basics of pathology in asthma, allergic rhinitis, urticaria are
- a) Local vasodilation
- b) Increased capillary secretion
- c) Excess eosinophils in tissue secretion and blood
- d) All of these
Which test is used for detecting susceptibility of an individual to diphtheria toxin?
- a) Schick test
- b) Dick test
- c) V-P test
- d) Precipitin test
Syndromes associated with Human T-lymphotropic virus type I(HTLV-I) are
- a) Adult T-cell lymphoma
- b) Hairy cell leukemia
- c) Adult T cell leukemia
- d) All of these
Plague and Tularemia vaccine can be prepared from
- a) Chemical fraction of the causative bacteria
- b) Heat killed suspension of virulent bacteria
- c) Formalin inactivated suspension of virulent bacteria
- d) Avirulent live bacteria
- e) All of these
AIDS patients suffer from pneumoniae due to
- a) Pneumocystis carinii
- b) Cryptosporidium
- c) S. pneumoniae
- d) Toxoplasma
Statements applicable to human lice:
- a) Cause pruritic skin lesions
- b) Are wingless
- c) Transmit epidemic typhus, relapsing fever and Trench fever
- d) Pediculus humanus and phthirus pubis are two species
- e) All of these
Natural killer cells
- a) Belongs to B-cell lineage
- b) Belongs to T-cell lineage
- c) Display cytotoxic effect on tumour cell
- d) Require previous antigen exposure for activation
Immunoglobulin is associated with anaphylactic delayed hypersensitivity reaction
- a) IgE
- b) IgA
- c) IgD
- d) IgM
- e) IgG
The most abundant antibody found in serum is
- a) IgA – 1
- b) IgG – 1
- c) IgG – 2
- d) IgG – 3
- e) IgG – 4
Patients suffering from AIDS have following immune abnormalities
- a) Decreased CD4 + T cells
- b) Increased CD8 + T cells
- c) Hypergammaglobulinemia
- d) CD4 +/CD8 + ratio greater than 21
- e) Both b & d
Immunoglobulin which cannot activate complement
- a) IgM
- b) IgE
- c) IgA
- d) IgG
Hydatid disease is identified by
- a) Schick test
- b) Dick test
- c) Casoni test
- d) Freis test
Prausnitz-Küstner reaction is generated by
- a) IgA
- b) IgE
- c) IgG
- d) IgD
Immunoglobulin which are found in asthma at elevated level
- a) IgA
- b) IgE
- c) IgM
- d) IgD
What is the similarity between IgM & IgG?
- a) A complement fixation
- b) Placental transport
- c) Heat stability at 56°C
- d) Sedimentation coefficient
What is the technique for quantitative estimation of immunoglobulin?
- a) Single diffusion in one dimension
- b) Single diffusion in two dimension
- c) Double diffusion in one dimension
- d) Double diffusion in two dimension
Cell mediated immunity can be identified by
- a) Sheep bred blood corpuscles rosette formation
- b) Microphase inhibiting factor
- c) Skin test for delayed hypersensitivity
- d) All of these
Out of the following which are the examples of autoimmune disease?
- a) Acquired Haemolytic anaemia
- b) Rheumatoid arthritis
- c) Hashimoto disease
- d) All of these
Which of the following is a true statement regarding Purified Protein Derivative (PPD) used in tuberculin test?
- a) Prepared from tubercle bacilli
- b) It is inferior to old tuberculin
- c) Consists of filtrate of glycerol broth
- d) None of these
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.
