White blood cells or leukocytes are defined as white or colorless blood cells (leukocytes).
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88%
T
13%
F
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Its main function is to protect the body against disease-causing microorganisms.
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88%
T
13%
F
White blood cells are formed in the bone marrow from myeloid stem cells, some of which are formed in the lymph nodes from lymphoid stem cells.
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83%
T
17%
F
Monocytes phagocytose large particles in typhoid and malaria
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23%
1-3%
9%
25-33%
6%
54-62%
63%
3-9%
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What is the main function of platelets?
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25%
a) Oxygen transport
22%
b) Infection control
8%
d) Digestion of food
44%
c) Stop bleeding
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What is the normal range for platelet count per mm3?
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6%
a) 50,000 - 100,000
3%
b) 100,000 - 200,000
8%
d) 450,000 - 500,000
83%
c) 150,000 - 400,000
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Where are platelets destroyed at the end of their lifespan?
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9%
a) Liver
9%
c) Kidneys
76%
b) Spleen
6%
d) Heart
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What causes vasoconstriction in the process of stopping bleeding?
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55%
a) Platelets
0%
c) Red blood cells
9%
d) White blood cells
36%
b) 5HT and other vasoconstrictors
❤1
Which of the following increases the platelet count?
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53%
b) Splenectomy
26%
c) Leukemia
6%
D) Blood poisoning
15%
a) Menstruation