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.
2601 to 2650 MCQs for Lab Technician and Technologist Exam Preparation
If You like then share this to your friends and other social media.
If You have any question and suggestions then please Contact us Here
Questions 2601 to 2650
The only virus, which has double stranded RNA, is_____?
- a) Bunya virus
- b) Reo virus
- c) Calci virus
- d) Rhabdo virus
Which of the following correctly indicates the infectivity of hepatitis virus in human?
- a) HBCAg
- b) HBeAg
- c) Anti-HBC
- d) Anti-HBS
Which of the following represents the serologic evidence of recent Hepatitis B virus infection during window period?
- a) HBs Ag
- b) IgM anti – HBc
- c) Anti HBs
- d) None of the above
For the treatment of case of class III dog bite, all of the following are correct except______?
- a) Give immunoglobulins for passive immunity
- b) Give ARV
- c) Immediately stitch wound under antibiotic coverage
- d) Immediately wash wound with soap and water
Which of the following is a RNA virus?
- a) Measles virus
- b) Herpes Virus
- c) Papavo virus
- d) Adeno virus
Following is a retrovirus_______?
- a) Immunodeficiency virus
- b) Influenza
- c) Polio virus
- d) Hepatitis virus
Type of Human papilloma virus associated with carcinoma cervix_____?
- a) Type 6,12,18
- b) 16,18,31
- c) 6,8,11
- d) 3,10,19
The viral action is differentiated from bacterial action by______?
- a) Interferon production
- b) Toxin production
- c) Lymphocytes production
- d) Neutrophils production
What is the sequence which a retro virus follows on entering a host cell?
- a) RNA → DNA → RNA
- b) RNA → DNA
- c) DNA → RNA
- d) DNA → RNA → DNA
Which of the following viruses appears to be involved in the pathogenesis of Kaposi’s sarcoma_____?
- a) Human Herpes Virus 3
- b) Human Herpes Virus 1
- c) Human Herpes Virus 8
- d) Human Herpes Virus 4
Seroconversion in HIV infection takes place in______?
- a) 2 weeks
- b) 4 weeks
- c) 9 weeks
- d) 12 weeks
Babu, a 28 year old male comes with complaint of exposure 3 wks back, having cervical Lymphadenopathy, Hepatosplenomegaly. Diagnosis of HIV is done by______?
- a) ELISA
- b) Western blot
- c) P24 antigen
- d) Lymph node biopsy
Anti HBsAB indicates_______?
- a) Resistance to hepatitis B
- b) Acute infection
- c) Good prognosis
- d) Hepatocellular carcinoma
Presence of HBe Ag in Patients with hepatitis indicates_______?
- a) Simple carriers
- b) Late convalescence
- c) High infectivity
- d) Carrier status
Which of the following does not go into chronic hepatitis stage?
- a) HBV
- b) HCV
- c) HDV
- d) HEV
Which of the following belongs to cell fraction derived vaccine______?
- a) Measles
- b) Mumps
- c) Rubella
- d) Hepatitis B
Dengue virus belongs to______?
- a) Flavi virus
- b) Togaviridae
- c) Reoviridae
- d) Rhabdoviridae
Which of the following statement about P24 antigen of HIV is Not True?
- a) It can be detected during the window period
- b) Free P24 antigen disappears after the appearance of IgM response to it
- c) Virus load parallel P24 titre
- d) It remains during asymptomatic phase
Which of the following viruses are most likely to cross placenta and cause feudal defect?
- a) Herpes Simplex
- b) Mumps
- c) Rubella
- d) Papilloma
Which of the following viruses produces both intranuclear and intracytoplasmic inclusion bodies______?
- a) Chicken pox
- b) Rabies
- c) Small pox
- d) Measles
Characteristic feature of retrovirus is____?
- a) Ribonuclease
- b) Reverse transcriptase
- c) DNA polymerase
- d) Restriction endonuclease
Dengue Hemorrhagic fever is caused by______?
- a) Virus
- b) Bacteria
- c) Parasite
- d) Bacteria superadded on virus
Interferon interferes with replication of virus at the time of_______?
- a) Protein synthesis
- b) DNA/RNA replication
- c) When virus enters the cell
- d) Uncoating of the virus proteins capsule
Which of the following microbial cell is most resistant to antiseptics & disinfectants?
- a) Mycobacteria
- b) Spore
- c) Prions
- d) Coccidia
Which of the following lesions is NOT an infection from human papilloma virus?
- a) Verruca vulgaris
- b) Focal epithelial hyperplasia
- c) Condyloma acuminatum
- d) Keratoacanthoma
Prions true is _____?
- a) Readily inactivated by autoclave at 121°C
- b) Evokes strong immunogenic reaction
- c) Sensitive to most chemical sterilization
- d) Contains DNA/ RNA
A young pregnant woman presents with fulminant hepatic failure. The most likely etiological agent is ______?
- a) Hepatitis B virus
- b) Hepatitis C virus
- c) Hepatitis E virus
- d) Hepatitis A virus
Salivary protein, which prevents transmission of human immunodeficiency virus via saliva, is _____?
- a) Sialoperoxidase
- b) Secretory IgA
- c) Salivary leukocyte proteinase inhibitor
- d) Histidine rich proteins
A dentist suffered from Hepatitis B infection 3 months back. His laboratory tests are normal but he is not allowed by the medical board to do surgical practice. He is ______?
- a) Inactive carrier
- b) Healthy carrier
- c) Convalescent carrier
- d) Paradoxical carrier
Virus is cultured in ______?
- a) Saubourd’s agar
- b) Rogosa medium
- c) Nonembryonated egg
- d) Embryonated egg
Kaposi’s sarcoma (KS) usually occurs when CD4 Lymphocyte counts are ______?
- a) Above 600
- b) Between 1000-2000
- c) Below 200
- d) Above 2000
Mark true in the following:
- a) Hanta virus pulmonary syndrome is caused by inhalation of rodent urine and feces
- b) Kyasanur Forest Disease is caused by bite of wild animal
- c) Lyssa virus is transmitted by ticks
- d) None of the above
The word German measles is applied for _____?
- a) Rubella
- b) Rubeola
- c) Herpes simplex
- d) Herpetic gingivostomatitis
Hepatitis A virus is best diagnosed by _______?
- a) IgM antibodies in serum
- b) Isolation from stool
- c) Culture from blood
- d) Isolation from bile
Which of the following is not a pox virus?
- a) Cowpox
- b) Molluscum contagiosum
- c) Small pox
- d) Chicken pox
Serological study for prevalence of Hepatitis B is best done by _____?
- a) Surface antigen
- b) Surface antibody
- c) Core antigen
- d) Core antibody
ELISA test when compared to Western blot technique is ______?
- a) Less sensitive, less specific
- b) More sensitive, more specific
- c) Less sensitive, more specific
- d) More sensitive, less specific
The virus which causes Aplastic anemia in chronic hemolytic disease is ______?
- a) Adeno
- b) Hepatitis
- c) EB virus
- d) Parvo virus
In HIV, gp 120, envelope glycoproteins bind specifically to ____?
- a) CD8 T-cells
- b) CD4 T-cells
- c) B-cells
- d) NK-cells
The small nonparticulate protein leading to enhanced replication of HBV as well as HIV is ______?
- a) HBc Ag
- b) HBs Ag
- c) Hbe Ag
- d) HBx Ag
Patients with organ transplants are most frequently infected with ______?
- a) Hepatitis A
- b) Hepatitis B
- c) CMV
- d) EBV
EBV is responsible for all except _____?
- a) Nasopharyngeal carcinoma
- b) Burkitt’s lymphoma
- c) Hepatoma
- d) Infectious mononucleosis
Most common tumor associated with AIDS is ________?
- a) Carcinoma
- b) Kaposi’s sarcoma
- c) Melanoma
- d) Ewing’s sarcoma
The overall effect of HIV is to gradually impair the immune system by interference with _____?
- a) Helper T lymphocytes
- b) Natural killer cells
- c) Plasma cells
- d) Macrophages
Hepatitis C virus belongs to which one of the following virus groups?
- a) Picorna viruses
- b) Herpes viruses
- c) Hepadna viruses
- d) Flavi viruses
Viruses can be isolated from clinical samples by cultivation in the following except _______?
- a) Tissue culture
- b) Embryonated eggs
- c) Animals
- d) Chemically defined media
During the window period of a patient with AIDS _______?
- a) ELISA is – ve
- b) Western Blot is – ve
- c) Both are – ve
- d) PCR is – ve
Plaque test is used routinely in virology labs for ______?
- a) Identification of viral disease
- b) To separate specific clone of virus
- c) To maintain certain viral culture
- d) To prepare vaccines
All are oncogenic except _______?
- a) Anopheles
- b) Aedes
- c) Culex
- d) Mansoni
DNA covering material in a virus is called as _____?
- a) Capsomere
- b) Capsid
- c) Nucleocapsid
- d) Envelope
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.
