Chap 14 Test.
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Blood is a __________ tissue type? | connective
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| List two functions of blood. | 1. transports vital substances.2. distributes heat
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| Name three types of cells found in the blood? (scientific name) | 1.Erythrocyte2. Leukocyte3. Thrombocyte
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| where are the blood cells produced in the body? | Red Bone Marrow
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| Erythro means? | red
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| leuko means? | white
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| Thrombo means? | to clot
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| Why arent thrombocytes considered to be true cells? | Because they are cell fragments
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| an avg. sized human has how many liters of blood in there body? | 5 liters
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| ____% of a persons body weight is their blood? | 8
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| Name two situations which cause a person's blood volume to vary. | 1. weight; body size2. fluid concentration
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| _____% of the blood is plasma | 55
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| ____% of blood is RBC's | 45
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| _____% is WBC and platelets | 17
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| shape of RBC's? | biconcave discs
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| Why is the shape of RBC functionally important? | readily sqeeze through capillaries
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| Why is it advantageous that RBC lack mitochondria | mitochondria doesnt steal oxygen
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| what does a persons RBC count really show | their blood oxygen carrying capacity
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| Name two organs associated with the production of erythroprotein | liver and kidney
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| what condition must the body be entering in order for the production of erythropoietin to be stimulated | low blood oxygen
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| life span of RBC | 120 days
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| where are dead RBC's destroyed and the hemoglobin essentially recycled? | spleen and liver
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| why does the iron found in the hemoglobin of dead RBC's return to the red bone marrow? | To be reused.
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| List 6 types of anemia | 1. Sickle Cell2. Aplastic3. Iron Deficency 4. Hemolytic5. thalassemia6. Pernicious
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| _____ anemia is caused by a defective usually in through with Greek ancestry? | thalassemia
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| ___ anemia is due to damaged bone marrow? | aplastic
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| an excess of immature RBC can cause what type of anemia | pernicious anemia
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| A high number of destroyed RBCs will cause what type of anemia | hemolotic anemia
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| A diet low in iron many cause | iron defiency anemia
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| abnormally shaped RBC's are the defect of? | Sickle cell anemia
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| ___ and ____ are two groups of WBC types | granulocytes and agranulocytes
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| granulocytes (List 3) | 1. neutrophils2. esinophils3. basophils
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| agranulocytes (List 2) | 1. lymphocytes2. monocytes
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| _____ defend against parasitic worms and help moderate allergic reactions. | esinophils
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| _____ are the first WBCs to fight an infection. | Neutrophils
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| _____ release heparin and histamine | basophils
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| fuction of heparin | prevents blood clots
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| function of histamine | dialates blood vessles
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| T and B cells are ____ types of angranulocytes | lymphocytes
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| Antibodies are produced by ___cells. | B
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| Large agranulocytes that phagocytize bacteria are called | monocytes
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| WBC's squeeze through capillaries to get to the site of infection via a process called | diapadesis
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| the act of WBC's moving towards a chemical released by damaged tissue is called | positive chemotaxis
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| a high WBC count is condition called | leukocytosis
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| a low WBC count is condition called | leukopenia
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| 2 conditions that cause leukopenia | measles and chicken pox
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| list condition that might cause leukocytosis | acute infections
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| what is adefferential WBC count | diagnose particular disease
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| why is it important to take a differential WBC count | to compare the different WBC counts to locate infection
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| function of RBC | carry oxygen
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| function of WBC | fight infection
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| function of platelets | help control blood loss frm broken vessels; form blood clot
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| ____% of plasma is water. | 92
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| 2 major blood gases | Oxygen and Carbon Dioxide
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| 3 nutrients found in the blood | sugars, lipids, and amino acids
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| that watse product of catabolism of protien is | urea
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| name 4 electrolytes found in the blood plasma | 1. sodium2. chloride3. calcium4. magnesium
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| the stoppage of bleeding is called | blood coagulation
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| 3 states of hemostasis | 1. blood vessel spasm2. platelet plug formation3. coagulation
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| ___ is the final substance produced in blood coagulation | fibrin
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| ___ is the sub. that digests blood clots | plasmin
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| the chemical released by platelets that promotes the healing of the blood vessels is called | platelet- derived growth factor
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| a blood clot moving throughout the body is | emblous
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| abnormal blood clot is known as | thrombus
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| 4 blood types | a,b,ab,o
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| blood is universal donor | o
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| most common | o
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| least common | ab
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| universal recipiant | ab
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| ____% of ppl are RH postive | 85
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| two forms of leukemia | myeloid leukemia and lymphoid leukemia
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| why are leukemia patients susceptible to infection? | too many WBC to fight off infection
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| why would leukemia patient become anemia | RBC count goes down
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| why does leukemia often cause person to bleed | too many cells are together and they soon start to split
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| one difference two types of leukemia | myeloid- bone marrow too many immature granulocyteslymphoid- cancerous
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