Blood ch1`9
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16 Terms
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What are the major body fluids in the human body?
Blood, Interstitial Fluid (ISF), Lymph.
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What is hematology?
The study of blood, blood-forming tissues, and associated disorders.
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What are the main functions of blood?
Transportation, Regulation, and Protection.
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What is the normal pH range of blood?
7.35–7.45.
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What components make up formed elements in blood?
Red Blood Cells (RBCs), White Blood Cells (WBCs), and Platelets.
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What is the primary site of hematopoiesis in adults?
Red Bone Marrow.
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What stimulates red blood cell production in the red bone marrow?
Erythropoietin (EPO).
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What is the life span of a red blood cell?
Approximately 120 days.
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What is leukocytosis?
A condition with a WBC count greater than 10,000 cells/mL.
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What are the two principal types of WBCs based on granule staining?
Granular and Agranular.
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What is the primary role of platelets?
Blood clotting.
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What are the three stages of hemostasis?
Vascular spasm, Platelet plug formation, and Blood clotting (coagulation).
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What vitamin is essential for the synthesis of clotting factors?
Vitamin K.
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What is the cause of Hemolytic Disease of the Newborn (HDN)?
Destruction of the infant's erythrocytes by maternal antibodies, typically due to Rh incompatibility.
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What is sickle cell disease?
A disorder caused by abnormal hemoglobin (Hb-S) leading to RBC rupture and clotting.
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What are the signs and symptoms of sickle cell disease?
Anemia, shortness of breath, fatigue, jaundice, and painful episodes.
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