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blood part D
Blood part D
30
Anatomy
Undergraduate 1
11/05/2008

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Cards

Term
What percent of blood is plasma and what percent is formed elements?
Definition
55% plasma
45% formed elements
Term
What percent of plasma is madeof proteins?
Definition
7%
Term
What is serum?
Definition
Plasma without clotting factors, straw colored liquid
Term
What are formed elements?
Definition
RBC
Term
What is Hematocrit?
Definition
% of RBC solid particles below plasma
Term
What are the 5 types of formed elements?
Definition
Erythrocytes, Thrombocytes, Leucocytes and Agranular Lymphocytes and Agranular monocytes
Term
What are Leucocytes?
Definition
WBC
Term
Name 3 granular WBC, Leucocytes
Definition
Basophil, Eosinophil, and Neutrophil
Term
Name 2 agranular WBC's
Definition
Lymphocytes and Monocytes
Term
What type of cell is a macrophage?
Definition
White blood cell, agranulated Monocyte
Term
What type of cells are T helper cells?
Definition
Agranular Lymphocytes that aid in cellular immunity and antibody immunity
Term
What type of cells are T killer cells/
Definition
Agranular lymphocytes that fight virally infected cells
Term
What type of cells are B-cells?
Definition
Agranular leucocytes that are an antibody production -destroy bacteria
Term
There are 2 types of B-cells, what are they?
Definition
Plasma cells that produce antibodies and Memory cells that fight future invasions because they have memory
Term
What is the structure of an erythrocyte?
Definition
RBC bioconcave disc
Term
Does an erythrocyte have a nucleus?
Definition
No
Term
What is another name for no nucleus in an erythrocyte?
Definition
Enucleate
Term
What is another name for no nucleus in an erythrocyte?
Definition
Enucleate
Term
Does an erythrocyte have metabolism?
Definition
Nope. no mitochondria
Term
Why doesnt a RBC have a nucleus and metabolize?
Definition
Because we want to carry oxygen, not use it up
Term
What percent of cell weight is hemoglobin?
Definition
33% of cell weight
Term
What is a hematocrit variation?
Definition
Difference between male and females. Males 40 to 54% and Females 38 - 46%
Term
What is the production of RBC called?
Definition
Erythropoiesis
Term
What is a cell called just before it becomes an erythrocyte?
Definition
Reticulocyte
Term
Around the reticulocyte stage of becoming a RBC, what happens?
Definition
Nucleus is ejected
Term
What is a glycoprotein that stimulates erythropoiesis?
Definition
Erythropoietin
Term
What is the stimulus for release of erythropoietin?
Definition
Hypoxia (lack of O2) in the kidney causes release of renal erythrypoietic factor that is a precurser to erythropoietin
Term
What does the reticulocyte count measure?
Definition
Measures rate of erythropoiesis
Term
What is a High RC indicative of?
Definition
Reticulocyte count high is indicative of bleeding, internal, hemolysis, and Iron Therapy response
Term
What is a low RC indicative of- reticulocyte count?
Definition
Low RC- anemia, leukemia, hemmorhagic, aplastic-damaged bone marrow
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