This document contains a 50 question multiple choice quiz on various topics in medical laboratory science. The questions cover subjects like colorimetry, water deionization, dilution calculations, enzymes, staining techniques, microbiology, hematology, coagulation, clinical chemistry, parasitology, immunology, and histopathology. Correct answers are provided for self-assessment. The quiz appears to be designed to test essential knowledge of laboratory procedures and concepts.

1. 1
BHARATPUR MEDICAL INSTITUTE (KEY C)
Bharatpur, Chitwan, Nepal
1- One is not found (involve) in colorimetric
a- Cuvette b- Light source
c- Filter d- Fuel source
2. Deionization of impure water means:
a- Boiling b- Heating
c- Filtration d- Exchange of protons and electrons
3. How much water should we add to 500ml of a solution of 10% of HCL?
a- 450 b- 50
c- 166 d- 40
4. One of the following enzymes is affected by hemolysis?
a- SGOT b- ALT
c- SGPT d- LDH
5. One is not a Romanowsky stain:
a- Gram stain b- Leishman stain
c- Fileds stain d- JSB stain
6. H Ag present in..
a- Pilli b- Capsule
c- Flagella d- Cell membrane
7. One of these is prokaryotic cell:
a- Fungi b- E. histolytica
c- Bacteria d- All of the above

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8. The sterilization of autoclave is?
a- 85°C for 30min b- 150°C for 30min
c- 121°C for 15min d- 160°C for 15hrs
9- The best media for urine culture is?
a- Blood agar b- Chocolate agar
c- CLED agar d- TCBS
10- Infective stage of Ascaris lumbricodes :
a- Larva b- Cercaria
c- Egg d- Cyst
11- A standard micro plates in ELISA test has?
a- 98 wells b- 94 wells
c- 96 wells d- 100 wells
12- In significant bacteriuria the cfu/ml urine is:
a- > 10^5 cfu/ml b- < 10^5 cfu/ml
c- > 10^3 cfu/ml d- < 10^3 cfu/ml
13- Which color do gram negative bacteria appear?
a- Blue b- Green
c- Yellow d- Yellow
14- Which of the following is not true?
a- Agar is inert b- Agar is nutritious
c- Agar solidifies at 42°C d- Agar melts at 96° C
15- In myocardial infection what enzyme are resp.
a- CK-MB b- AST
c- ALT d- CK-BB

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16- In Ziehl Neelsen staining used for M. leprae, the decolorizing agent used is:
a- 5% sulphuric acid b- 10% sulphuric acid
c- 15% sulphuric acid d- 20% sulphuric acid
17- Platelets are formed from what type of cell?
a- Melanocytes b- Macrophages
c- Astrocytes d- Megakaryocytes
18- Which of the following white blood cells is capable of phagocytosis?
a- Basophil b- Eosinophil
c- Lymphocyte d- Neutrophi
19- Cryoprecipitate contains all of the following, except
a. Fibrinogen, b. Factor VIII
c.Von Willebrand factor (vWF) d. Factor IX
20- Massive blood transfusion is defined as:
a- Whole blood volume in 24 hours b- Half blood volume in 24 hours
C. Half blood volume in 24 hours d. 60% blood volume in 24 hours
21- One unit of random donor platelet ideally increases the platelet count in an adult by:
a- 5000 b- 15000
c- 20000 d- 25000

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22- Average life span of platelets is:
a- 3-5 days b- 7-10 days
c- 12-15 days d- 16-20 days
23- Pseudothrombocytopenia is deu to:
a- EDTA b- Hepain
c- Citrate d- All of the above
24- Factor XIII deficiency cause
a- PT is prolomged b- aPPT is prolomged
c- TT is prolonged d- Non of the above
25- Tear drop cells are seen in?
a- CML b- ALL
c- Myelofibrosis d- Polycythmia
26- Anticoagulant of choice for coagulation studies is:
a. EDTA b- Heparin
c- Citrate d- All of the above
27- What is the highest percentage of solid substances in urine:
a.Chlorine b-Uric acid
c- Creatinine d- Sodium
28- Waxy cast seen in
a- Diabetes b- Severe chronic renal disease
c- Dehydration d- All of the above
29- The cogulase test is used to differentiate
a. Staphylococcus epidermidis from Neisseria meningitidis
b. Staphylococcus aureus from Staphylococcus epidermidis

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c. Streptococcus pyogens from Staphylococcus aureus
d. Streptococcus pyogens from Enterococcus faecalis
30- Which of the following structure is absent in Gram positive bacteria:
a- Teichoic acid b- magnesium ribonucleate
c- Peptidoglycan d- Outer membrane
31- The transfer of plasmid from one bacteria to a different strain is a best example for:
a- Horizontal gene transfer b- Vertical gene transfer
c- Homozygous gene transfer d- Heterozygous gene transfer
32- The number of molecule of ATP produced by the total oxidation of acetyl CoA in TCA
cycle:
a- 6 b- 10
c- 8 d- 12
33-For glycogenesis, Glucose should be converted to.
a- Glucuronic acid b- Pyryvic acid
c- UDP glucose d- Sorbitol
34- Eggs of which of the following parasites are bile stained except:
a- Ova of Ascaris lumbricoides b- Ova of Trichuris trichuria
c- Ova of Taenia solium d- Ova of H. nana
35- The total glycogen content of the body is:
a- 100 b- 200
c- 300 d- 500
36-A ketogenic amino acid is .
a- Valine b-Cysteine
c- Leucine d- Threonine

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37-Ribbon like helminthes parasites are known as:
a- Tapeworm b- Ribbonworm
c- Hookworm d- Hookworm
38-Ringworm is related to
a- Parasite b-Virus
c- Fungi d- Bacteria
39- The infective stage of Enatamoeba histolytica is :
a- Ova b- Adultworm
c- Cyst d- Trophozoite
40-CA 15.3 tumor marker is related to
a- Ovary b-Breast
c- Liver d- Lungs
41- ASO titre is considered to be negative when its value is less than:
a- 8.0 IU/ml b- 8 Unit
c- 200 IU/mL d- 500 IU/mL
42-VDRL test is .
a- Agglutination test b-Precipitation test
c- Slide flocculation test d- Concentration test
43- Normal absolute eosinophil conut is:
a-4000-11000/cumm b- 1700-78000/cumm
c- 40-440/cumm d- 0-200/cumm
44-Order of blood sample collection
a- Culture, Coagulation, serum sepration and cbc test
b- Culture, serum separation, coagulation and cbc tets
c- CBC test, culture, coagulation and serum sepration
d- Coagulation, CBC, Serum and culture

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45- Vitamin that helps in blood clotting is:
a- Vit A b- Vit B
c- Vit K d- Vit C
46-Picric acid containing fixatives is .
a- Formalin b- Zenkers fluid
c- Bouins fliud d- All
47- Xylene is used for:
a- Fixation b- Clearing
c- Dehydration d- Mounting
48-Auer rod are seen in
a- AML b-CML
c- ALL d- CLL
50-Molecular weight of NAOH .
a- 50 b-58
c- 40 d- 98
Best of LUCK