HON.

UKPOR IYANG IYANG(NIMELSSA PIKIN MANDATE)

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HAEMATOLOGY QUESTIONS

1) The following are example of tests performed in hematology laboratory except

a) Hb estimation

b) WBC count

c) Serum billurubin

d) FBC

2) Haematology tests are mainly used to determine the following except

a) Investigate anaemia

b) Investigate clinically important hemoglobonopathies

c) Investigate infections and pyrexia of unknown origin

d) Measure the amount of glycated hemoglobin

3) One of the following is not a pre-analytical quality assurance in haematology laboratory

a) Proper collection and storage of blood specimen

b) Proper sample processing

c) Specimens and request form Checks on reaching the laboratory

d) Proper transport of blood specimen

4) One of the following is not a post-analytical quality assurance in haematology laboratory

a) Adequate mixing of blood sample before test

b) Reporting and verifying of hematological test results

c) Taking appropriate actions when a result has serious clinical implication

d) Ensuring test results are interpreted correctly and adequate records are kept

5) All the following are examples of red cell disorders except

a) Anemia

b) Polycythemia
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c) Leucopenia

d) Thalassaemia

6) In a condition where there is inadequate equipment or in a state of emergency, a technician

a) Dividing by 2

b) Dividing by 3

c) Multiplying by 3

d) Dividing by 3 and adding 3

7) The following white blood cells are granulocytes except

a) Monocyte

b) Neutrophill

c) Eosinophil

d) Basophil

8) In collecting capillary blood from an infant is best to collect from

a) Ring of middle finger

b) Ring of thumb

c) Ear

d) Heel of leg

9) The following are various method of Hb estimation except

a) Alkali haematin technique

b) cyan-methaemoglobin technique

c) Haemocue Method

d) Visual examination of the blood color concentration

e) Visual comparative technique

10) The pH of the buffer used for Leishman’s staining is:

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a) 6.5

b) 8.6

c) 6.8

d) 5.6

e) 8.6

11) Giemsa staining is carried out at a PH of:

a) 7.0

b) 7.8

c) 5.7

d) 7.4

e) 6.8

12) Methanol is used as a fixative while staining

a) A thick film only

b) A thin film only

c) Both thick and thin film

d) None of the above

13) The following are examples of Romanowsky stain except

a) Leishman stain

b) Giemsa stain

c) Field’s stain

d) Neutral red

14) The anticoagulant used in ESR is

a) EDTA

b) Tri-sodium citrate
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c) Fluoride oxalate

d) Heparin

15) Blood sample for cross matching is best collected in …………

a) EDTA anticoagulated container

b) Heparinized container

c) Plane container

d) Tri sodium citrate container

e) Fluoride oxalate container

16) The following are examples of transfusion transmissible infections (TTI) except

a) HIV

b) Hepatitis B virus

c) Hepatitis C virus

d) Trepanoma pallidum

e) Eschirechia coli

17) Blood collected in CPDA bag has an expiration date of…………..days

a) 21

b) 28

c) 35

d) 42

e) 49

18) Blood is stored at ………. for feature used

a) Any temperature

b) 370C

c) Normal body temperature

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d) 4-80C

e) At room temperature

19) An individual with blood group A has ………. ABO antbody in his serum/plasma

a) Ati-A only

b) Anti-B only

c) Both A and B antibodies

d) Neither A nor B antibody

e) Hemolysin antibody

20) The angle between slide and spreader while making peripheral thin blood film is……

a) 22 degree

b) 30 degree

c) 45 degree

d) 28 degree

21) Blood composed of

a) Haemoglobin

b) Fluid and cells

c) Electrolytes

d) Dissolved minerals

22) Iron is absorbed from which part of the intestine

a) Jejanum

b) Duodenum

c) Colon

d) Ileum

23) The dilution factor of blood in total RBC count in counting chamber is
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a) 50

b) 100

c) 200

d) 150

24) Which diluting fluid is used in total WBC count is

a) Turk’s solution

b) Gower’s solution

c) Toisson’s fluid

d) All of the above

25) The charge which keeps RBC apart is called

a) Anionic charge

b) Cationic charge

c) Zeta potential

d) All of the above

26) Which instrument is used in Cyanmethomoglobin method of Hb. estimation?

a) Incubator

b) Microscope

c) Waterbath

d) Colorimeter

27) What is the normal shape of RBC?

a) Irregular

b) Cylindrical

c) Circular biconcave-disc

d) Oval
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28) What represent the volume of red cell per unit volume of whole blood in percentage?

a) ESR

b) Red cell indices

c) Packed cell volume (PCV)

d) Mean cell volume

29) Stain used for demonstrating reticulocyte is called

A) Giemsa stain

b) Leishman stain

c) Supra-vital stain

d) None of the above

30) The colored pigment present in hemoglobin is known as

a) Billurubin

b) Globin

c) Heme

d) Iron

31) How many molecules of oxygen bound to normal haemoglobin?

a) 5

b) 4

c) 6

d) None of the above

32) Romanowsky stains are

a) Acidic dyes

b) Neutral dyes

c) Basic dyes
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d) None of the above

33) What is the average diameter of red blood cell?

a) 6.5µm

b) 4.6 µm

c) 7.2 µm

d) 5.7 µm

34) Which anticoagulant is considered best for osmotic fragility test

a) EDTA

b) Sodium citrate

c) Sodium fluoride

d) Lithium heparin

35) Reticulocytes are stained with which of the following

a) Crystal violet

b) Haematoxylin stain

c) Brilliant cresyl blue

d) Eosin

36) Hemophilia A is caused by the deficiency of which coagulation factor

a) Factor X

b) Factor V

c) Factor II

d) Factor VIII

37) What effect does EDTA shows on calcium molecule in blood

a) Covalent bond

b) Ionic bonding
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c) Chelation

d) None of the above

38) Which of the following is the smallest cell in the blood?

a) RBCs

b) Platelets

c) WBCs

d) Reticulocytes

38) PCV is high in…….

a) Anaemia

b) leucopenia

c) Polycythaemia

d) Thrombocytopenia

39) What angle is to be maintain between patient arm and syringe while doing venous puncture

a) 20 degrees

b) 21 degrees

c) 15 degrees

d) 18 degrees

40) Drabkin solution contains the following except

a) Potassium cyanide

b) Potassium ferro-cyanide

c) Non –ionic detergent

d) Potassium chloride