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.
3851 to 3900 MCQs for Lab Technician and Technologist Exam Preparation
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Questions 3851 to 3900
During the preparation of a routine H&E slide, what allows the tissue to be visualized?
- a) Fixation
- b) Embedding in paraffin
- c) Staining
- d) Slicing
Which type of cartilage forms the hammer, anvil and stirrup?
- a) Hyaline cartilage
- b) Elastic cartilage
- c) Fibrocartilage
- d) All of the above
- e) None of the above
Which of the following is an element of the central nervous system?
- a) Receptors
- b) Brachial plexus
- c) Sciatic nerve
- d) Ganglia
- e) Spinal cord
What is the limiting membrane of a cell?
- a) Plasmalemma
- b) Glycocalyx
- c) Protoplasm
- d) Cristae
What is the functional unit of the liver?
- a) Lobule
- b) Portal triad
- c) Central vein
- d) Hepatocyte
Which type of the following biological vectors is responsible for transmission of malarial parasite?
- a) Cyclo-developmental
- b) Propagative
- c) Transovarial
- d) Cyclo-propagative
Which of the parasites below is NOT having any intermediate host?
- a) Hymenolepis diminuta
- b) Clonorchis sinensis
- c) Necator americanus
- d) Loa loa
Which of the following parasite DOES NOT belong to the class Coccidia?
- a) Cryptosporidium
- b) Isospora
- c) Babesia
- d) Cyclospora
Which of the following is NOT correct?
- a) E. histolytica can be cultured on Boeck & Drbohlav’s diphasic medium
- b) T. vaginalis can be cultured on Trussell & Johnson’s medium / CPLM
- c) L. donovani can be cultured on Hockmeyer’s medium
- d) T. cruzi can be cultured on Weinman’s medium
DumDum fever is the name given to?
- a) Visceral leishmaniasis
- b) New world leishmaniasis
- c) South American trypanosomiasis
- d) East African sleeping sickness
Montenegro test is used to diagnose?
- a) Kala azar
- b) Ecchinococcosis
- c) Chagas disease
- d) Toxoplasmosis
Which of the following organisms can infect and multiply inside Protozoa?
- a) Mycobacterium bovis
- b) Mycobacterium avium
- c) Mycobacterium xenopi
- d) Mycobacterium simiae
Oocysts of which of the following parasites are infective when passed in the faeces?
- a) Cyclospora cayetenensis
- b) Cryptosporidium parvum
- c) Isospora bellii
- d) All of the above
River blindness is the name given to disease caused by?
- a) Loa loa
- b) Onchocerca volvulus
- c) Toxplasma gondii
- d) Acanthamoeba culbertsoni
Operculated eggs are seen in the following, EXCEPT?
- a) Fasciola hepatica
- b) Schistosoma japonicum
- c) Clonorchis sinensis
- d) Diphyllobothrium latum
Which species of fungus Microsporum has characteristic two-celled macroconidia?
- a) Microsporum gypseum
- b) Microsporum audounii
- c) Microsporum canis
- d) Microsporum nanum
Rose gardener’s disease is caused by?
- a) Paracoccidioides brasiliensis
- b) Sporothrix schenkii
- c) Penicillium marneffei
- d) Coccidioides immitis
Which Candida species is known to produce ‘pseudo-germ tube’?
- a) C. dubliniensis
- b) C. tropicalis
- c) C. albicans
- d) C. krusei
Which of the following fungus is NOT forming ‘sclerotic bodies’?
- a) Exophiala
- b) Phialophora
- c) Fonsecaea
- d) Cladosporium
Which of the following dermatophyte is giving a positive hair perforation test?
- a) Trichophyton tonsurans
- b) Trichophyton schoenleinii
- c) Trichophyton mentagrophytes
- d) Trichophyton verrucosum
Which of the following is NOT causing eumycotic mycetoma?
- a) Pseudoallescheria boydii
- b) Exophiala jeanselmei
- c) Acremonium kifience
- d) Actinomadura
Dichotomously branching septate hyphae are characteristically seen in?
- a) Aspergillus spp
- b) Rhizopus spp
- c) Mucor spp
- d) Absidia spp
‘Spaghetti & meat balls’ appearance of fungal elements in 10% KOH are characteristic of?
- a) Hansenula anomala
- b) Saccharomyces cervisiae
- c) Malassezia furfur
- d) Exophiala werneckii
Which of the following agent is a fungus?
- a) Pneumocystis jeroveci
- b) Cryptosporidium parvum
- c) Eikenella corrodens
- d) Ehrlichia chaffeinsis
‘Hulle cells’ are characteristic of?
- a) Aspergillus fumigates
- b) Aspergillus nidulans
- c) Aspergillus terreus
- d) Aspergillus flavus
In a case of meningitis a normal glucose level in C.S.F. suggests
- a) Bacterial etiology
- b) Mycobacterial etiology
- c) Viral etiology
- d) Fungal etiology
Which of the following is NOT true about Staphylococcus saprophyticus?
- a) Commonly causes UTI in young, sexually active, young females
- b) It is sensitive to Novobiocin
- c) It is coagulase negative
- d) It is modified oxidase test negative
Griffith’s serotyping of ß-hemolytic streptococci is based on-
- a) Cell wall carbohydrate C antigen
- b) Cell wall M protein ✔️
- c) Cell wall peptidoglycan
- d) Cell wall murein
Which of the following is NOT true of B.anthracis?
- a) It produces Medusa head colony
- b) It gives positive M’Fadyean’s reaction
- c) It is used as an agent of bioterrorism
- d) It produces a potential endotoxin
Spores of which species of Bacillus is used as a biological control in autoclaves?
- a) B. megaterium
- b) B. thuringiensis
- c) B. stearothermophilus
- d) B. anthrasis
Which clostridial species has subterminal endospores?
- a) C. tetani
- b) C. tertium
- c) C. septicum
- d) C. ramosum
A reverse CAMP test is positive in?
- a) C. tetani
- b) C. perfringens
- c) C. difficile
- d) C. novyi
Causative agent of granuloma inguinale is?
- a) Chlamydia trachomatis
- b) Klebsiella rhinoscleromatis
- c) Mycoplasma homonis
- d) Klebsiella granulomatis
Pseudohemoptysis is due to?
- a) Pyomelanin
- b) Diphthericin
- c) Prodigiosin
- d) Fumonisin
Which of the following specimen is NOT suitable for anaerobic culture?
- a) Blood
- b) Culdocentesis aspirate
- c) Throat swab
- d) Peritoneal fluid
Which of the following is NOT a constituent of bacterial cell wall?
- a) N-acetyl muramic acid
- b) N-acetyl glucosamine
- c) N-Acetyl-L-cysteine
- d) Teichoic acid
Which of the following is NOT true?
- a) Transposons are extrachromosomal genetic elements
- b) Transposons are known as jumping genes
- c) Transposons can transfer genes of chromosomes
- d) Like plasmids they exist independently and are self replicating
Non-specific urethritis may be caused due to the following, EXCEPT?
- a) Ureplasma urealyticum
- b) Gardnerella vaginalis
- c) Candida albicans
- d) Actinobacillus hominis
Which of the following is NOT true of Listeria monocytogenes?
- a) It does not survive inside phagocytes
- b) It gives a positive Anton’s test
- c) It has tumbling motility at 25°C
- d) It gives a positive CAMP test
Which of the following is TRUE of Corynebacterium diphtheriae?
- a) It produces diphtheria toxin because of phage
- b) Toxin production is influenced by Mg++ concentration in the medium
- c) Toxin mainly affects lungs and kidneys
- d) Toxigenicity can be demonstrated in tissue culture
Culture of anaerobic organisms can be done by all, EXCEPT?
- a) Gas-Pak
- b) Candle jar
- c) McIntosh & Fildes jar
- d) Thioglycollate broth
Which of the following is NOT true of Entero Haemorrhagic E. coli (EHEC)?
- a) The most common serotype is O157: H7
- b) It can cause Hemolytic Uremic Syndrome
- c) It ferments Sorbitol sugar in the medium
- d) It produces toxin which is toxic to HeLa cell lines
Shigellosis includes all of the following, EXCEPT?
- a) Hemolytic Uremic Syndrome
- b) Gay-bowel syndrome
- c) Fitz-Hugh-Curtis syndrome
- d) Intussusception of bowel
According to current W.H.O. classification of genus Salmonella, there are mainly two species?
- a) S. enterica & S. arizonae
- b) S. arizonae & S. enteritidis
- c) S. bongori & S. enterica
- d) S. bongori & S. typhi
Gram stained smear of Vibrios in mucus flakes of stool specimen resembles?
- a) School of fish appearance
- b) Fish in stream appearance
- c) Sea-gul appearance
- d) String of pearls appearance
Which of the following organisms is responsible for Brazilian Purpuric Fever (BPF)?
- a) Hemophilus hemolyticus
- b) Hemophilus aphrophilus
- c) Hemophilus aegyptius
- d) Hemophilus parainfluenzae
Which of the organisms below does NOT liquefy gelatin?
- a) Morganella morganii
- b) Bacillus subtilis
- c) Proteus vulgaris
- d) Staph. aureus
Which one of the following are NOT related to each other?
- a) Nagler’s reaction & Clostridium perfringens
- b) Nissl’s bodies & Polio virus
- c) Tunica reaction & Rickettsia prowazekii
- d) Rat bite fever & Streptobacillus moniliformis
Which of the following is NOT commonly seen in HIV infected patients?
- a) Bacillary angiomatosis
- b) Generalised Strongyloidiasis
- c) Cryptosporidiosis
- d) Leptospirosis
Which of the following organisms is NOT associated with bloody diarrhea?
- a) Shigella dysenteriae
- b) Campylobacter fetus
- c) Clostridium difficile
- d) B. anthracis
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.
