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Blood
N/A
28
Anatomy
12th Grade
05/24/2011

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Cards

Term
A hemotocrit of 45% means that in every 100ml of whole blood:
Definition
there are 45ml of red blood cells and 55ml of plasma.
Term
Reduced red blood cell numbers cause:
Definition
Anemia.
Term
The composition of blood is:
Definition
55% Plasma, 45% formed elements.
Term
Which of the following formed elements carry oxygen?
Definition
erythrocytes
Term
All formed elements arise from which stem cell?
Definition
hemocytoblast
Term
Classification of leukocytes that contain cytoplasmic granules
Definition
granulocytes
Term
most numerous leukocytes
Definition
neutrophils
Term
granulocytes that protect against infections from parasitic worms and allergic reactions
Definition
eosinophils
Term
agranulocytes that produce antibodies
Definition
lyphocytes
Term
agranulocytes that enter tissue spaces as macrophages
Definition
monocytes
Term
cell fragments that function in blood clotting and hemostasis
Definition
platelets
Term
cells from which platelets are formed
Definition
megakaryocytes
Term
classification of leukocytes without cytoplasmic granules
Definition
agranulocytes
Term
classification of formed elements that are nucleated cells lacking hemoglobin
Definition
leukocytes
Term
Which of the following is NOT a critical component of coagulation?
Definition
fibrinolysis
Term
For prothrombin to be synthesized by the liver, adequate amounts of which vitamin is required?
Definition
Vitamin K
Term
Which of the following does NOT hasten clotting?
Definition
Heparin
Term
granulocytes that release heparin and histamine
Definition
basophils
Term
Which of the following statemes is false
Definition
Leukemia is characterized by a low number of WBCs.
Term
Deficiency in the number or function of erythrocytes is called
Definition
anemia
Term
Which of the following statements does not describe a characteristic of leukocytes
Definition
They are disc-shaped cells that do not contain a nucleus
Term
Which of the following substances is NOT found in serum
Definition
clotting factors
Term
Which of the following substances is NOT found in blood plasma
Definition
none of the above
Term
An allergic reaction may increase the number of:
Definition
eosinophils
Term
What is a blood clot that is moving through the body called?
Definition
embolism
Term
When could difficulty with the Rh blood factor arise?
Definition
Rh-negitive woman and an Rh-positive man produce a child.
Term
What is the primary function of hemoglobin?
Definition
Carry oxygen
Term
Are any of the following steps NOT involved in blood clot formation?
Definition
thrombin is converted into prothrombin
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