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Lecture Exam 1 Blood

QuestionAnswer
What are the 5 functions of blood? 1.) Delivers oxygen from lungs to tissues 2,) Regulates body temp 3.) Acid-base regulation 4.) Protects against loss of blood 5.) Carries hormones, nutrients, oxygen, and O2
What is the main function of blood? to transport
What is the normal temperature of blood? 38 degrees celcius ( 100 degrees F)
What is the normal volume of blood? 5 liters
What is the normal pH of blood? 7.35-7.45
What is the definition of plasma? The Extracellular matrix of whole blood
What is the difference between buffy coat and hematocrit? The buffy coat is WBC's and platelets, The hematocrit is RBC's
What is the most common element in plasma? Water
What are the 3 proteins of plasma? Albumin, Globulin, and Fibrinogen
what is the most common protein of plasma? Albumin
What does Albumin do? Transporters of fatty acids, thyroid hormones, and some steroid hormones Regulates fluid volume
What does Globulin do? Makes antibodies for defense
What does Fibrinogen do? helps with clotting
What is the hematocrit? RBC's
What is the lifespan of an erythrocyte? 120 days
Can erythrocytes perform mitosis or meiosis? why or why not? No, because they don't have a nucleus or DNA
Why is blood red? Hemoglobin
Describe the shape of an erythrocyte Biconcave, Disc-shape
What is the purpose of the erythrocytes shape? For a larger surface area to carry more oxygen
What is Hemoglobin? The red pigment in blood
What is Oxyhemoglobin? Blood carrying oxygen that is bound to iron (Fe-), bright red
How many oxygen molecules can one hemoglobin carry? 4
What is Rouleaux? Stacked RBC's
What is Erythropoiesis? The making of new RBC's
Where does erythropoiesis occur? In the bone
The kidneys release __________ when signaled Erythropoietin
What is deoxyhemoglobin? Blood that lacks oxygen, dark red
What is Carbaminohemoglobin? Blood carrying CO2 back to lungs
How many heme groups does one hemoglobin have? 4
Why is Rouleaux necessary? Easier to pass through capillaries together for max exposure
_______ is an essential hormone of RBC's released by the _______ in response to low ___ and _____ availability. Erythropoietin, Kidneys, O2, Iron
Created by: nlprice_21
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