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Blood

Chapter 13 Blood

QuestionAnswer
Types of Granulocytes Neutrophilis Eosinophils Basophils
Neutrophils Most abundant of the WBC's. Make up 60% to 70%of all WBCs in circulation.
Esinophils Account for 2% to 5% of circulating WBCs. While few exist in the bloodstream.
Basophils The fewest of the WBCs, comprise only 0.5% to 1% of the WBC poses little or no phagocytic ability.
Two types of Agranulocytes Lymphocytes and Monocytes
Lymphocytes The second most numerous of the WBCs, constitute 25% to 33% of the WBC count. Smallest of the WBC
Monocytes Comprise 3% to 8% of the WBC count. Are the largest of the WBC
Abnormal WBC Leukopenia
An elevated WBC Leukocytosis
When the destruction of RBCs become excessive Hemolysis
Red pigment that gives blood its color Hemoglobin
Important property of blood-- determined by the combination of plasma and blood cells Viscosity
Found in the ends of long bones and in flat irregular bones Red bone marrow
Found in the spleen, lymph nodes, and thymus gland Lymphatic tissue
Study of blood Hematology
Bound to each globin is an iron-containing molecule called Heme
Another name for antigen Agglutinogen
Two types of antigens Type A and B
Blood plasma carries Antibodies
Another name for antibodies Agglutinins
Another name for WBC's Leukocytes
-- Crucial to life; they are the body's line of defense against invasion by infectious pathogens WBC's
ALL leukocytes (WBC's) unlike RBC's contain Nucleus
Granulocytes Having obvious granules
Agranulocytes Having few or no granules
Types of Granulocytes Neutrophils Eosinophils Basophlis
Leukopenia An abnormal WBC is called
Platelet is also called Thrombocytes- play a key role in stopping bleeding
Hemostasis When a blood vessel is cut, the body must react quickly to stop the flow of blood.
Vascular Spasm As soon as a blood vessel is injured, smooth muscle fibers in the wall of the vessel spasm.
Formation of a platelet plug The break in the blood vessel exposes collagen fibers creating a rough spot on the vessel's normally slick interior.
2 ways rh-neg blood can be mixed with rh-positive blood Received through a transfusion, second way is when rh neg mother becomes pregnant with rh positive fetus.
Sickle Cell Inherited blood disorder involving hemoglobin. Affected RBCs are stiff rather than flexible; as they try and squeeze into narrow blood vessels, they can't fold over like a normal RBC. causes them to clump together. depriving oxygen causing pain.
Changes with age The volume and composition of blood remain relatively constant with age. Abnormal blood values that do occur usually result from disorders in other systems. Elderly individuals more likely to form unwanted blood clots or develop chronic types of leukemia.
Polycythemia When the rate at which new RBCs are being created exceeds the rate at which old ones are being destoryed, an imbalance results.
Anemia deficiency of RBCs or hemoglobin. Sometimes occurs because loss of RBCs, such as from hemorrhage, or when too many RBCs are being destroyed. Insufficient supply of iron in the diet.
Leukemia A cancer of the blood or bone marrow. an extremely high WBC count.
Blood clotting disorders the formation of unwanted blood clots is the most common, kills about 650,000 Americans every year. blood clots lodged in arteries in the brain, heart, lung. shuts off the blood supply resulting in sudden death.
Created by: kayley911