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Haematology Question Paper

Haematology

Course:Diploma In Medical Laboratory Science

Institution: Kenya Medical Training College question papers

Exam Year:2011

KENYA MEDICAL LABORATORY TECHNICIANS AND TECHNOLOGISTS BOARD
REGISTRATION EXAMINATIONS
DIPLOMA LEVEL
THEORY PAPER II
TIME ALLOWED: 2HRS TIME: 2.00PM-4.00PM
DATE: 7TH NOVEMBER, 2011

HAEMATOLOGY

SECTION A: MULTIPLE CHOICE QUESTIONS (20 MARKS)
1. ANSWER ALL QUESTIONS
2. WRITE THE CORRECT CHOICES IN THE ANSWER BOOKLET
3. AVOID GUESSWORK, 0.5 MARK WILL BE DEDUCTED FROM THE TOTAL SCORE FOR EVERY WRONG ANSWER

1. The organism responsible for formation of blood at mesoblastic phase is:
a) Spleen
b) Bone marrow
c) Lymph tissue
d) The mesenchyme tissue (yolk sac)

2. The following is a diluting fluid for platelet count:
a) Drabkins solution
b) 0.04% ammonia
c) Baar's fluid
d) 0.1 NHCL

3. The following is an example of a supravital stain for a reticulocyte count:
a) Methyl green
b) Brilliant Cresyl blue
c) Heller's stain
d) Methyl red

4. Hb x 100/PCV is the formula for:
a) MCH
b) MCV
c) MCHC
d) MCD

5. The test for fibrinogen function is called:
a) Thrombin time
b) Clotting time
c) Bleeding time
d) Osmotic fragility test

6. The following is an enzyme based anticoagulant:
a) Sodium citrate
b) Ammonium oxalate
c) Heparin
d) EDTA

7. The best anticoagulant for coagulation studies is:
a) Sodium citrate
b) Sodium fluoride
c) Heparin
d) EDTA

8. Rouleaux formation may be seen in the following conditions:
a) Multiple myeloma
b) Aplastic anaemia
c) Beta thelassaemia
d) Megaloblastic anaemia

9. The bleeding time test measures:
a) Platelet function
b) Common pathway
c) Intrinsic pathway
d) Extrinsic pathway

10. A patients RBC count=3.00 million/cmm. If the red cells are normal in size and haemoglobin content, what are the approximate haemoglobin and haematocrit values?
a) 9.00 million/cmm, 27.00 million/cmm
b) 6.0 g/dl and 27.0%
c) 9.00 g/dl and 27/mm3
d) 9 g/dl and 27.0%

11. The major advantages of automated cell counting as opposed to manual cell counting include the following EXCEPT:
a) A smaller sample is required
b) The pipetting is more accurate
c) A greater number of samples are analyzed at a time
d) The reagent cost is expensive

12. Which of the following parasites can be found in peripheral blood films?
a) Trchomonas vaginalis
b) Trichomonas hominis
c) Microfilaria
d) Schistosomes

13. A blood film report includes counting of:
a) RBCs and Platelet estimate
b) WBCs, RBC evaluation, Platelet estimate
c) WBCs and their classification
d) RBCs and classification of WBCs

14. A grey-blue cytoplasm with a "ground glass" appearence is found most often in:
a) Myeloblasts
b) Lymphocytes
c) Basophils
d) Monocytes

15. Platelet functions may involve the following EXCEPT:
a) Defense mechanism
b) Aggregation
c) Release of ADP
d) Release of serotonin

16. Carboxyhaemoglobin comes about as a result of the combination of:
a) Haemoglobin and oxygen
b) Haem and oxygen
c) Carbondioxide and oxygen
d) Carbonmonoxide and haemoglobin

17. Acquired abnormalities found in WBCs commonly seen in blood films are:
a) Dohle bodies
b) Howel jolly bodies
c) Barr bodies
d) Acanthocytes

18. E.S.R may increase in which the following conditions?
a) Sickle cell disease
b) Polycythaemia vera
c) Haemoconcentration
d) Tuberculosis

19. A red blood cell which is characterized with tactoid appearence is:
a) Burr cell
b) Sickle cell
c) Target cell
d) Amato cell

20. Packed Cell Volume (PCV) results may be used in the calculation of:
a) RBC
b) Platelet count
c) Haemoglobin value
d) WBC

SECTION B: ESSAY QUESTIONS (30 MARKS)
1. ANSWER ALL QUESTIONS
2. BEGIN WITH ANY QUESTION BUT MAKE SURE YOU COMPLETE IT BEFORE ATTEMPTING THE NEXT

1a) What is an anticoagulant? (2 marks)
b) Describe EDTA as an anticoagulant ( 8 marks)

2a) Tabulate differences between HbA and HbS (5 marks)
b) List five factors affecting ESR test (5 marks)

3. Discuss in detail the cyanmethaemoglobin method (10 marks)

Haematology Question Paper

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