Term
A hemotocrit of 45% means that in every 100ml of whole blood: |
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Definition
there are 45ml of red blood cells and 55ml of plasma. |
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Term
Reduced red blood cell numbers cause: |
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Definition
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The composition of blood is: |
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Definition
55% Plasma, 45% formed elements. |
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Term
Which of the following formed elements carry oxygen? |
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Definition
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Term
All formed elements arise from which stem cell? |
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Definition
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Term
Classification of leukocytes that contain cytoplasmic granules |
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Definition
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Term
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Definition
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Term
granulocytes that protect against infections from parasitic worms and allergic reactions |
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Definition
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Term
agranulocytes that produce antibodies |
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Definition
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Term
agranulocytes that enter tissue spaces as macrophages |
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Definition
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Term
cell fragments that function in blood clotting and hemostasis |
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Definition
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Term
cells from which platelets are formed |
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Definition
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Term
classification of leukocytes without cytoplasmic granules |
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Definition
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Term
classification of formed elements that are nucleated cells lacking hemoglobin |
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Definition
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Term
Which of the following is NOT a critical component of coagulation? |
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Definition
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Term
For prothrombin to be synthesized by the liver, adequate amounts of which vitamin is required? |
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Definition
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Term
Which of the following does NOT hasten clotting? |
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Definition
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Term
granulocytes that release heparin and histamine |
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Definition
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Term
Which of the following statemes is false |
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Definition
Leukemia is characterized by a low number of WBCs. |
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Term
Deficiency in the number or function of erythrocytes is called |
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Definition
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Term
Which of the following statements does not describe a characteristic of leukocytes |
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Definition
They are disc-shaped cells that do not contain a nucleus |
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Term
Which of the following substances is NOT found in serum |
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Definition
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Term
Which of the following substances is NOT found in blood plasma |
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Definition
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Term
An allergic reaction may increase the number of: |
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Definition
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Term
What is a blood clot that is moving through the body called? |
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Definition
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Term
When could difficulty with the Rh blood factor arise? |
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Definition
Rh-negitive woman and an Rh-positive man produce a child. |
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Term
What is the primary function of hemoglobin? |
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Definition
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Term
Are any of the following steps NOT involved in blood clot formation? |
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Definition
thrombin is converted into prothrombin |
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