Hematology Theory Paper
1 The organ responsible for the formation of blood at
the 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 NHCI
3 The following is an example of a supravital stain for
reticulocyte
count:
a) Methyl green
b) Brilliant Cresyl blue#
c) Heller’s stain
d) Methyl red
4 Hb x 100 is the formula for:
a) PCV
b) MCH
c) MCV
d) MCHc#
e) 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) Heparin
b) Sodium citrate#
c) Sodium fluoride
d) EDTA
8 Rouleaux formation may be seen in the following
conditions:
a) Multiple myeloma:#
b) Aplastic anaemia
c) Beta thalassaemia
d) Megaloblastic anaemia
9 The bleeding time test measures:
a) Platelet function
b) Common pathway
c) Intrinsic pathway
fd) Extrinsic pathway
10 A patient’s RBC count = 3.00 million/cmm. If the red
cells are normal
in size and in 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) 9.00g/dl and 27/mm3
D) 9g/dl and 27%#
11 major advantage of automated cell counting as
opposed to manual
cell counting are 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 reagents cost is expensive#
12 Which of the following parasites can be found in
peripheral blood
films?
a) Trichmonas Vaginalis
b) Trichmonas hominins
c) Microfilaria:#
d) Schistosomes
13 Carboxyhaemoglobin comes about as a result of the
combination of:
a) Hemoglobin and Oxygen
b) Haem and Oxygen
c) Carbon dioxide and Oxygen
d) Carbon monoxide and Hemoglobin#
14 Acquired abnormalities found in WBCs commonly seen
in blood films are:
a) Dohle bodies
b) Howell jolly bodies
c) Barr bodies#
d) Acanthocytes
15 E.S.R. may increase in the following conditions?
a) Sickle cell disease
b) Polycythaemia Vera#
c) Haemoconcentration
d) Tuberculosis
16 A red blood cell which is characterized by tactoid
appearance is:
a) Burr cell
b) Sickle cell
c) Target cell
d) Amato cell
17 Packed cell volume(PCV) results may be used in the
calculation of:
a) RBC#
b) Platelet count
c) Haemoglobin value
d) WBC