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.
3901 to 3950 MCQs for Lab Technician and Technologist Exam Preparation
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Questions 3901 to 3950
- 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. Treponemapallidum
C. Toxoplasmagondi
D. All of the above ✔️ - which one of the following is post streptococcal sequelae:
A. Acute rheumatic fever ✔️
B. Cellulitis
C. Pharyngitis
D. impetigo - A positive tuberculin test is indicated by and area of induration of:
A. <5mm in diameter- B. 6-9 mm in diameter
- C. > 10 mm in diameter ✔️
D. Noinduration
- C. > 10 mm in diameter ✔️
- B. 6-9 mm in diameter
- 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 hick 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(mauntox test) is …………
A Intra vascular
B. Intra dermal ✔️
C intra muscular
D Subcutaneous - Site for injecting shick test toxin/ purified protein derivative mauntox test) is …
A. Right upper arm
B. Left upper arm
C. Left fore arm ✔️
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. CD4T cell count ✔️
B. CD8 T cell count
C. HIV RNA
D ELIS - 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 - 41- Food poison is caused by ..
- A. Clostridium perfringens
- B. Clostridium botulism ✔️
- C. Corynebacteriumdiphtherae
- D. Clostridium tetani
- 42 -Which of the following is used for sterilization of ystoscopesendoscopes 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 LIVE ATTENUATED VACCINE?
A. BCG vaccine
B. Rabies vaccine
C. Diphtheria toxoid
D. Tetanustoxoid ✔️ - Which of the following single dose is sufficient for immunization
A. Live attenuated vaccine ✔️
B. Killed vaccine
C. Taxoids
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 anyarticle, surface or medium is called as
A. Sterilization
B. Disinfection ✔️
C. Incineration
D. lysis
- The causative agent of Tuberculosis (T.B.) is
A. Mycobacterium tuberculosis ✔️
B. Mycobacterium leprae
C. Treponemapallidum
D. Borrelia species - The causative agent of Syphilis is
A. Mycobacterium tuberculosis
B. Mycobacterium leprae
C. Treponemapallidum ✔️
D. Borrelia species - VDRL test is used for the diagnosis of
A. Syphilis ✔️
B. Tuberculosis
C. Pneumonia
D. AIDS - Which of the following is moist heat method ofsterilization?
A. Boiling
B. Autoclaving
C. Hot air oven
D. Both a &b ✔️ - Temperature range used for autoclaving is….
A. 100°C for 10 min
B. 100°C for 30 min
C. 121°C for 15 min ✔️
D. 121°C for 30 min - ELISA is used for the diagnosis of
A. AIDS ✔️
B. Night blindness
C. Sickle cell anaemia
D. All of the above - Name the first organic acid produced by microbial fermentation.
A. Acetic acid
B. Lactic acid ✔️
C. Butyric acid
D. None of the above - The most common viral cause of gastroenteritis:
A. Rotavirus ✔️
B. Norwalk virus
C. Adenovinis
D. Hepadnavirus - Perinatal Hepatitis B transmission is maximum in
A. 1″ trimester
B. 2-trimester
C. 3 trimester
D. During delivery ✔️ - Which Hepatitis virus is associated with highest mortality in pregnancy?
A. Hepatitis A
B. Hepatitis B
c. Hepatitis C
D. Hepatitis E ✔️ - Hepatitis virus that spreads by fecal-oral route:
A. Hepatitis A ✔️
B. Hepatitis B
C. Hepatitis C
D. Hepatitis D - Acute hepatitis B infection is best diagnosed by:
A. HBsAg
B. HBeAg
C. IgM Anti HBc antobody ✔️
D. HBcAg - Which parameter is not included in HAI surveillance?
A. CA-UTI (catheter associated urinary tract infection)
B. CLABSI (central line associated bloodstream infection)
C. VAP (ventilator associated pneumonia)
D. Open wound infections ✔️ - Hand rub should not be used in which condition?
A. Before touching patient
B. After touching patient
C. After touching patient’s surrounding
D. Hands are visibly soiled ✔️ - How many moments of hand hygiene have been laid down by WHO?
A. 5 ✔️
B. 6
C. 7
D. 8 - Which antibody crosses placenta?
B. IgG ✔️
A. IGA
C. IgE
D. IgM - Which is an example of surface lg?
A. IgA ✔️
B. IgG
C. IgE
D. IgM - Type I hypersensitivity is mediated by which of the following immunoglobulins?
A. IgA
B. IgG
C. IgM
D. IgE ✔️ - Wheal and flare is which type of hypersensitivity reaction:
A Type I ✔️
B Type II
C. Type IV
D. Type V - Type I hypersensitivity includes all of the following except:
A. Autoimmune hemolytic anemia ✔️
B. Anaphylaxis
C. Extrinsic asthma
D. Hay fever - A positive tuberculin test is an example of:
A. Type I hypersensitivity
B. Type Il hypersensitivity
C. Type IlI hypersensitivity
D. Type IV hypersensitivity ✔️ - Application of skin graft for the second time from the same donor will result in:
A. First set rejection
B. Second set rejection ✔️
C. Both
D. None - Transplantation between members with same genetic constitution is known as:
A Autograft
B. Isograft ✔️
C. Allograft
D. Xenograft - All of the following are live-attenuated vaccines except:
A. MMR
B. Yellow fever 17D vaccine
C. Salk polio vaccine ✔️
D. Sabin polio vaccine - Amphitrichous flagella means
- A. Flagella all-round the cell
- B. Flagella at both ends ✔️
- C. Flagella at one end
- D. Flagella in tufts
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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