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blood components
ch 30 the components of whole blood
Question | Answer |
---|---|
Components of whole blood | RBC's; WBC's; platelets; plasma |
Average adult has how many pints of blood? | 8-10 |
The study of blood is called... | Hematology |
Red Blood Cells aka.... | Erythrocytes; RBC's |
Characteristics of RBC's | bioconcave discs with very thin centers that enable them to fold over if needed to get through narrow openings |
RBC's are produced in the.... | bone marrow |
RBC's live for about... | 4 months |
Erythrocytes obtain their color from... | Hemoglobin(Hgb) |
Function of hemoglobin? | to carry oxygen and carbon dioxide in the blood |
White Blood Cells aka... | Leukocytes(WBC's) |
Main function of WBC's? | to defend the body against infection |
WBC's are _______ the size of RBC's. | twice |
Five types of WBC's | Neutrophils;eosinophils;basophils;lymphocytes; monocytes |
Neutrophils | surround, swallow, and digest bacteria |
Eosinophils | respond to allergic reactions or parasites |
Basophils | respond to chronic infections |
Lymphocytes | develop antibodies that produce immunity; attach to foreign bodies to destroy them |
Monocytes | eat and destroy bacteria |
Platlets aka.... | thrombocytes(Plt) |
Platelets are the ___________ of the three cells. | smallest |
Function of platelets? | Aid in the process of clotting blood |
Plasma | straw colored liquid portion of blood |
Plasma is ________ of the volume of blood. | one-half |
Plasma is 90% ___________. | water |
Substances found in plasma | electrolytes,vitamins,hormones,enzymes,nutrients,gases, protiens |
The three protiens found in plasma | fibrinogen & prothrombin;serum albumin;serum globulin |
Fibrinogen and prothrombin | needed to form clots |
Serum albumin | aids in maintaining blood pressure |
Serum globulin | needed for the formation of antibodies |
normal RBC range for males | 4.5-6.0 |
normal RBC range for females | 4.0-5.5 |
normal WBC range | 3,500-11,000 |
normal platelet range | 150,000-400,000 |