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Blood
Structure & function.
34
Anatomy
Undergraduate 1
12/07/2010

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Cards

Term
Function of blood (4).
Definition

  1. Transportation of dissolved gases, nutrients, hormones and waste products
  2. Defense (relationship with the immune system)
  3. pH and electrolyte balance
  4. Temperature control

Term
Plasma accounts for ___% of blood.
Definition
55
Term
Contents of plasma (4).
Definition

  1. Water
  2. Electrolytes (ions)
  3. Plasma proteins
  4. Dissolved gases

Term
Important plasma proteins (2).
Definition

Immunoglobulins (antibodies)

Fibrinogen (produces fibrin for blood clotting)

Term
Diameter of red blood cells.
Definition
7 microns
Term
Red blood cells make up ____% of blood.
Definition
99
Term
All cells in the blood.
Definition
Hematocrit
Term
Hematocrit in women ____%; hematocrit in men _____%.
Definition
42; 45
Term
Average lifespan of a red blood cell
Definition
120 days
Term
Removal of worn out cells is done by the _______, the ___________ and the _____________.
Definition
liver; spleen; bone marrow
Term
White blood cells make up ____% of all blood cells.
Definition
0.1
Term
Two classes of white blood cells.
Definition
Granulocytes; Agranulocytes
Term
Three types of granulocytes.
Definition
Neutrophils, Eosinophils; Basophils
Term
____ % of white blood cells are neutrophils.
Definition
65
Term
Eosinophils make up ____% of white blood cells and take part in defence against ______________.
Definition
2-4; allergic
Term
Basophils make up less than ____ % of the white blood cells.
Definition
1
Term
Basophils contain ___________ and ___________.
Definition
heparin; histamine
Term
Two types of agranulocytes.
Definition
monocytes; lymphocytes
Term
Size of monocytes.
Definition
18 microns
Term
Monocytes make up ____% of the white blood cells.
Definition
2-8
Term
Monocytes become _________ when they move out of the blood.
Definition
macrophages
Term
Lymphocytes are _______ long.
Definition
7 microns
Term
Granulocytes have a diameter of ____ microns.
Definition
14
Term
Lymphocytes make up ____ % of the white blood cells.
Definition
25
Term
Lymphocytes are found in the lymphatic system of ____________, _____________ and ________________
Definition
vessels; nodes; organs
Term
The differential count of neutrophils; eosinophils; basophils; lymphocytes and monocytes.
Definition

neutrophils: 40-75%

eosinophils: 1-6%

basophils: <1%

lymphocytes: 20-50%

monocytes: 2-10%

Term
Platelets are also known as _________.
Definition
Thrombocytes
Term
Platelets are formed in _____________ from _____________.
Definition
bone marrow; megakaryocytes
Term
Platelets are ___ microns in diameter.
Definition
2
Term
Hemostasis.
Definition
Bleeding cessation.
Term
Blood cells are formed from ___________________.
Definition
multipotential stem cells
Term
Multipotential stem cells differentiate into five different ____________________.
Definition
unipotential stem cells
Term
Five types of unipotentail stem cells.
Definition

  1. Unipotent erythrocyte stem cell
  2. Unipotent lymphocyte stem cell
  3. Unipotent monocyte stem cell
  4. Unipotent granulocyte stem cell
  5. Unipotent megakaryocyte stem cell

Term
Unipotent granulocyte stem cell can be further divided into: _____________ promyelocytes, _____________ promyelocytes and _____________ promyelocytes
Definition
neutrophilic; eosinophilic; basophilic
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