1- Blood is composed of: a- 40%cells
b- 60% cells
c- 45% cells
d- 70%cells
2- Blood is composed of: a- 55% plasma
b- 70% plasma
c- 70% protein
d- 55% carbohydrate
3- Plasma consisted of: a- Proteins
b- Albumin
c- Globulins
d- All the previous
4- Sodium citrate prevents clotting by·. a- inhibiting the ionization of calcium
b- precipitating calcium
c- by forming calcium insoluble salts d- non of the previous
5- EDTA prevents clotting by:
a- inhibiting the ionization of calcium b- precipitating calcium
c- by forming calcium insoluble salts d- non of the previous
6- Haemolysis may be caused by: a- acids
b- alkalis
c- bacterial toxins d- All the previous
7 - Life span of RBCs about: a- 170 days
b- 120 days
c- 150 days
d- 100 days

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a-
8- The RBCs composed
of: a- 60 %water
b- 30% water
c- 50% water
d- non of the previous
9- Normal range of WBCs between:
a- 3-7 ths/cmm
b- 4-11 ths/ cmm
c- 1- 3 ths/cmm
d- 11-20 ths/cmm
10- Leucopenia is:
a- the decrease in number of leucocytes below 1 ths/cmm
b- the increase in number of leucocytes above 12 ths/cmm
c- the increase in number of leucocytes above 4 ths/cmm
d- the decrease in number of leucocytes below 4 ths/cmm
11- Leucocytosis is:
a- the decrease in number of leucocytes below 1 ths/cmm
b- the increase in number of leucocytes above 12 ths/cmm
c- the increase in number of leucocytes above 4 ths/cmm
d- the decrease in number of leucocytes below 4 ths/cmm
12- The granulocytes are formed in the:
a- bone marrow stem cells
b- Lymphatic tissue
c- Liver
d- spleen
13- The nongranulocytes are formed in the:
a- bone marrow stem cells
b- Lymphatic tissue
c- Liver
d- spleen
14- Life span of granulocytes is:
a- 8 hours
b- 12 hours

c- 16 hours
d- 2 days

15 - Life span of lymphocytes is: a-
8 days
b- 12 days
c- 15 days
d- 10 days
16- Normal range of neutrophils: a-
15-22%
b- 10-15%
c- 40-50%
d- 60-70%
17- Normal range of Lymphocytes:
a- 15-22%
b- 10-15%
c- 40-50%
d- 60-70%
18- Normal range of Basophil is: .
a- 3-8%
b- 2-4%
c- 4-8%
d- 1-2%
19- Normal range of Monocyte is:
a- 3-8%
b- 2-4%
c- 4-8%
d- 1-2%
20- Normal range of Eosinophil is:
a- 3-8%
b- 2-4%
c- 4-8%
d- 1-2%

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21- The life span of Neutrophil is:
a- 6 days
b- 8 days
c- 4 days
d- 2 days


22- The life span of eosinophil is:
a- 12-18 days
b- 6-8 days
c- 8-10 days
d- 18-20 days
23- The stain which used in leukocytic differentiation:
a- Leishman
b- methyl violet
c- Giemsa
d- non of the previous
24- Hb was measured by Sahli’s method using:
a- distilled water
b- Potassium ferricyanide
c- 0.1 N HCl
d- Sodium citrate
25- Hb was measured by colourimetric method using:
a- distilled water
b- Potassium ferricyanide
c- 0.1 N HCl
d- Sodium citrate
26- Stain used in reticulocytic count
a- Leishman
b- Giemsa
c- methyl violet
d- brilliant cresyl blue
27- Reticulocytes increase in the following conditions
a- pregnancy
b- all types of anemia
c- Leukemia
d- all the previous


28- The anticoagulant used in ESR
a- EDTA
b- 2.8% Sodium citrate
c- heparin
d- 3.8% Sodium citrate

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29- Thrombocytopenia means that platelets count is
a- more than 50 ths/cmm
b- more than 400 ths/cmm
c-less than 50 ths/cmm
d- less than 400 ths/ cmm
30- Ratio of blood to anticoagulant in ESR is:
a- 1:9
b- 9:1
c- 1:4
d- 4:1
31- the ratio of blood to sodium citrate in prothrombin time test
a- 1:9
b- 9: 1
c- 1:4
d- 4:1
32- Stain which used in Malaria
a- Leishman
b- Giemsa
c- Brilliant cresyl blue
d- Fields stain