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Questions and Answers
What is the total volume of blood in the average adult?
What is the total volume of blood in the average adult?
What is the yellow liquid portion of clotted blood called?
What is the yellow liquid portion of clotted blood called?
What happens when blood is artificially removed from the body for testing?
What happens when blood is artificially removed from the body for testing?
What percentage of the whole blood volume contains the erythrocytes or red blood cells (RBCs)?
What percentage of the whole blood volume contains the erythrocytes or red blood cells (RBCs)?
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What creates a whole blood specimen when added to blood removed from the circulation via phlebotomy?
What creates a whole blood specimen when added to blood removed from the circulation via phlebotomy?
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Which layer of the blood forms on the top of the cells and comprises approximately 55% of the total volume?
Which layer of the blood forms on the top of the cells and comprises approximately 55% of the total volume?
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What is the major difference between plasma and serum?
What is the major difference between plasma and serum?
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What is the composition of plasma by weight?
What is the composition of plasma by weight?
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Which cells originate in the bone marrow?
Which cells originate in the bone marrow?
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What are the three major maturational stages of blood cells?
What are the three major maturational stages of blood cells?
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Study Notes
Blood Composition and Properties
- The average adult has a total blood volume of approximately 5 liters.
- The yellow liquid portion of clotted blood is called serum.
- When blood is artificially removed from the body for testing, it is called phlebotomy.
- Erythrocytes or red blood cells (RBCs) make up approximately 45% of the whole blood volume.
- Anticoagulant is added to blood removed from the circulation via phlebotomy to create a whole blood specimen.
- The plasma layer, comprising approximately 55% of the total volume, forms on top of the cells.
- The major difference between plasma and serum is the presence of clotting factors, which are absent in serum.
- Plasma is composed of approximately 92% water, 7% protein, and 1% other substances by weight.
- All blood cells, including leukocytes (white blood cells) and platelets, originate in the bone marrow.
- The three major maturational stages of blood cells are: myeloid stem cell, precursor cell, and mature blood cell.
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Description
Test your knowledge of blood biochemistry with this quiz covering the composition, functions, and characteristics of blood as a connective tissue. Explore topics such as blood cells, plasma, and the volume of blood in the human body.
