Blood Composition
What is plasma?
The liquid part of the blood
What are the 4 blood types?
A,B,AB,O
Why is it that the white blood cells are transparent?
They don't have pigment
What is the formation of platelets often referred as?
Thrombopieosis
What is homeostasis?
An internal set or complex mechanisms that adapt to environmental conditions to maintain an equilibrium.
Define Formed Elements
The various kinds of blood cells and cell fragments that are normally present in blood
What do red blood cells do?
Transport oxygen & carbon dioxide
When are white blood cells are seen easily with a microscope?
They are stained
How do platelets begin?
It begins with a stimulation or precursor cells called megakaryocytes
What are the three important physical properties of platelets?
Agglutination, adhesiveness, and aggregation
What is the condition that results in decreased RBCs?
Anemia
How long do blood cells live?
105 to 120 days
True or False: White blood cells have nuclei and are generally larger than red blood cells.
True
What type of shape do the megakaryocytes have?
They often have a bizarre shape
What is the anemia of chronic diseases?
A serious complication of chronic inflammatory diseases and cancer
How much water and solutes does the plasma contain?
90% water and 10% solutes
What is the red pigment in red blood cells?
Hemoglobin
Leukemia
What do the platelets look like in circulating blood?
Small, nearly colorless bodies that usually appear in irregular spindles or oval disks
What is the purpose of vascoconstriction?
Applies pressure that causes temporary closure of a damaged vessel to lessen blood loss
How much of the cell contains hemoglobin?
More than one third of the cell volume
What is used to keep RBCs in homeostasis?
Bone Marrow
When grouped together,what percipitation do white blood cells look like?
Snowflakes
Around how many platelets are released when the mature megakaryocyte ruptures?
2,000 to over 3,000
What is Drake's blood type?
A