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MCQ’s Chapter 19 (Lab)

Some of Common Questions and Answers for Laboratory Technicians and Technologists.

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MCQs Chapter 19
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Questions 901 to 950

  1. The smear used for supra vital staining
    • unstained unfixed smear
    • fixed and stained smear
    • fixed smear
    • all the above
  2. Cysticircus bovis is the larval form of
    • Taenia solium
    • Taenia saginata
    • Ascaris lumbricoides
    • Echinococcus granulosus
  3. The bullet shaped virus is
    • Pox virus
    • Varicella zoster
    • Rabies virus
    • HIV
  4. Lawn culture or carpet culture is used to
    • obtain large amount of growth
    • for preparation of antigens
    • for ABST
    • all the above
  5. The antibodies that can pass through the placenta
    • IgG
    • IgM
    • (1) and (2)
    • None of the above
  6. Vandenbergh reaction is used for the estimation of
    • Cholesterol
    • Bilirubin
    • Protein
    • None of the above
  7. In an unstained sputum smear we can see
    • Gushman’s spirals
    • Charcot Leyden crystals
    • Elastic fibres
    • All the above
  8. Normal concentration of sodium in blood
    • 95-110 mEq/L
    • 3-5 mEq/L
    • 130-150 mEq/L
    • 150-190 mEq/L
  9. Clostridium perfringes can be identified by
    • Nagler reaction
    • Satellite test
    • Coagulase test
    • String test
  10. Cocci that are seen in grape like clusters
    • Staphylococcus
    • Streptococcus
    • Corney bacterium
    • Cryptococcus

  1. Fixative that contains mercuric chloride
    • Carnoys fluid
    • Bouins fluid
    • Zenkers fluid
    • Rossman’s fluid
  2. SGOT is increased in
    • Myocardial infarction
    • Viral hepatitis
    • Toxic hepatitis
    • All the above
  3. In a colorimeter, the cuvette made of is used for UV range of light.
    1. Borosilicate
    2. Quartz
    3. (1) and (2)
    4. None of the above
  4. RBC pipette can be used for
    1. RBC count
    2. Platelet count
    3. (1) and (2)
    4. D:-None of the above
  5. Basophilic stippling can be seen in
    • G6 PD deficiency
    • Metal poisoning
    • Splenectomy
    • Erythroblastosis foetalis
  6. Dehaemoglobinisation of a thick smear can be done by
    • glacial acetic acid and tartaric acid mixture
    • methanol
    • distilled water
    • (1) and (3)
  7. Sickle cell can be demonstrated by
    • Scriver and Waugh method
    • Solubility test
    • Dithionite method
    • All the above
  8. Bence Jonce proteins can be detected by
    • Pandy’s test
    • SSA test
    • Bradshaws test
    • Heat and acetic acid test
  9. Bile pigments are detected by
    • Rotheras test
    • Fouckets test
    • Hays test
    • Benzidine test
  10. Urease test is positive for all except
    • E. coli
    • Proteus
    • Cryptococcus
    • Citrobacter
  11. In plasmodium falciparum infection, erythrocytes shows
    • Shuffner’s dot
    • Maurer’s dot
    • Ziemann’s dot
    • James dot
  12. Casoni’s test is related to
    • Trichuris trichura
    • Enterobius vermicularis
    • Echinococcus granulosus ✔
    • Taenia solium
  13. Seitz filters are example for
    • Asbestos ✔
    • Glass
    • Membrane
    • Candle
  14. The red colour of the blood is due to
    • Myoglobin
    • Globulin
    • Albumin
    • Haemoglobin
  15. For routine staining of blood smear by Giemsa method, the smear is fixed by –
    • Acetone
    • Acetic acid
    • Methanol
    • Chloroform
  16. Tha thickness of a tissue section taken using microtome for histopathology is :
    • 5 microns
    • 50 microns
    • 100 microns
    • 1000 microns
  17. The part of a microscope that serves to regulate light entering the condenser is –
    • Stage
    • Irie diaphragm
    • Blue filter
    • Revolving nose piece
  18. Which of the following fixative contains picric acid, formaldehyde and glacial acetic acid?
    • Clarke’s fluid
    • Bouin’s solution
    • Carnoy’s fluid
    • Neutral buffered formaldehyde
  19. For fixation, the recommended quantity of the fixative should be : (16-7)
    • 20 times the volume of the tissue
    • Half the volume of the tissue
    • 100 times the volume of the tiasue
    • Equal to the volume of tissue
  20. The unit for expressing Erythrocyte Sedimentation Rate (ESR) is :
    • Centimetre/minute
    • Millimetre/minute
    • Centimetre/hour
    • Milkimetres/hour

  1. The old name of aspartate aminotransferase (AST) ia:
    • Acid phosphatase
    • Serum glutamate-pyruvate transaminase
    • Serum glutamic-oxaloacetic transaminase
    • Creatine phosphokinase
  2. Which ia not a liver function test?
    • Test for AST
    • Test for serum creatinine
    • Test for ALT
    • Albumin test
  3. Anexample of a special staining is :
    • Periodic acid Schiff’s staining
    • Acid fast staining
    • Grams staining
    • Leishman’s staining
  4. The staining technique that is preferred for viewing intracellular haemoprotozoans is :
    • Leiashman’s staining
    • Giemsa staining
    • Wright’s staining
    • Gram’s staining
  5. The sterilization conditions in a steam jacketed autoclave is :
    • 121°C at 16 psi pressure for 5 min
    • 121°C at 5 pei pressure for 15 min
    • 121°C at 15 psi pressure for 150 min
    • 121°C at 15 psi pressure for 15 min
  6. The special microscope used for detecting leptospirea in blood sample is :
    • Dark field microscope
    • Phase contrast microscope
    • Stereo zoom miercscope
    • Fluorescence microscope
  7. The incorporation percentage of agar in common bacteriological media is :
    • 0.26% — 0.5%
    • 5%-10%
    • 1.5% -2%
    • 10% – 20%
  8. An example for anaerobic media is :
    • Fluid thioglycollate medium
    • Nutrient broth
    • MacConkey broth
    • Peptone water
  9. Which among the following is not a modification of Gram’s staining?
    • Kopeloffand Bearman’s modification
    • Burke’s modification
    • Weigert’s modification
    • Fleming’s modification
  10. In lactophenol cotton blue stain, the function of cotton blue is to :
    • Kill the fungus
    • Clear the fungus
    • Stain the fungus
    • Fix the fungus
  11. The most common method of fixing a bacterial smear is :
    • Phenol fixing
    • Heat fixing
    • Acetic acid fixing
    • Methanol fixing
  12. The natural immunity present in an individual is:
    • Innate immunity
    • Adaptive immunity
    • Active immunity
    • Adoptive immunity
  13. Nosccominl infection means infection acquired from :
    • Shops .
    • Community
    • Hospitals
    • Households.
  14. The specimen taken from a dead dog for diagnosis of rabies is :
    • Spleen
    • Brain
    • Liver
    • Tongue
  15. For separation of serum, blood is collected in:
    • EDTA
    • Heparin
    • Sodium citrate
    • Dry tubes without any chemicals
  16. Bacterial colonies having a raised or bulging centre is called :
    • Umbilicate
    • Flat
    • Umbonate
    • Pinpoint
  17. Methyl red test is used to detect :
    • Acid production from glucose
    • Indole production
    • Urease production
    • Hydrogen sulphide production
  18. The most common enzyme used in a polymerase chain reaction is :
    • RNA polymerase
    • Taq polymerase
    • Reverse trancriptase
    • DNA ligase
  19. The agar recommended for antibiotic sensitivity testing is :
    • Nutrient agar
    • Potato dextrose agar
    • MacConkey agar
    • Mueller Hinton agar
  20. Which among the following is not a platform test for milk? .
    • Total plate count teat
    • Organcleptic test
    • Aleohol test
    • Clot on boiling test

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