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32 Cards in this Set
- Front
- Back
What are the 3 formed elements found in blood?
|
Red Blood Cells, White Blood
Cells & Platelets |
|
RBC, WBC & Platelets are suspended in what?
|
(liquid) Plasma
|
|
What type of tissue is blood classified as?
|
Connective Tissue
|
|
Where are blood cells formed?
|
In the red marrow of bones.
|
|
Each type of blood has a different function. (T,F)
|
True
|
|
What transports oxygen from the lungs to body cells and carbon dioxide from body cells to the lungs?
|
Hemoglobin
|
|
What type of blood cell contains hemoglobin?
|
Red Blood Cells
|
|
White blood cells perform what function?
|
Defend the body against
infection. |
|
What is the function of
platelets? |
Clotting
|
|
What is missing in mature red blood cells?
|
Nuclei
|
|
What are mature red blood cells called?
|
Erythrocytes
|
|
Can mature red blood cells duplicate themselves by mitosis?
|
No, they do not have
nuclei. |
|
What is the normal red blood count for a man?
|
5.1 to 5/8 million
per mm |
|
What is a woman's normal red blood count?
|
4.2 to 5.2 million
per mm |
|
What happens in anemia?
|
The RBC count is lower than
normal. |
|
What does anemia do?
|
It reduces the oxygen carrying capacity.
|
|
Polycythemia is when the RBC is higher than normal. This makes the blood too ________ to flow freely.
|
Viscous
|
|
White blood cells are called
what? |
Leukocytes
|
|
WBC counts are usually...
|
4,000 - 11,000 per mm
|
|
Many infections brings about elevated WBC. This is called
__________. |
Leukocytosis.
|
|
Extremely high WBC could indicate what?
|
Leukemia, a type of cancer.
|
|
Some viral diseases lower the WBC count, resulting in
_____________? |
Leukopenia
|
|
How many types of leukocytes
are there? |
Five
|
|
How do we determine the number and percentage of each type of leukocytes?
|
We perform a differential
WBC count. (An elevated count of any one of the types has clinical significance.) |
|
On average, WBC are twice that of a RBC. (True or False)
|
TRUE
|
|
All WBC have nuclei and some have noticeable granules.
(True or False) |
TRUE
|
|
Name the 3 types of WBC that display granules.
|
1. neutrophils
2. eosinophils 3. basophils |
|
Name the 2 types of WBC that do not have noticeable granules.
|
1. monocytes
2. lymphocytes |
|
What is the other name for
platelets? |
Thrombocytes
|
|
Are platelets whole cells or cellular fragments?
|
Cellular Fragments
|
|
What do platelets funcdtion
in? |
the clotting mechanism
|
|
What is a normal platelet
count? |
150,000 to 400,000 per mm.
|