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Introduction to Blood: Composition, Functions, and Production, Exams of Advanced Education

Stanford UniversityAdvanced Education

A concise overview of blood composition, including plasma proteins, red blood cells, white blood cells, and platelets. it details the functions of each component, such as oxygen transport, immune defense, and clotting. the document also covers the production of blood cells (erythropoiesis and leukopoiesis) and factors influencing their production. furthermore, it explores concepts like hematocrit, blood viscosity, and the breakdown of hemoglobin.

Typology: Exams

2024/2025

Available from 05/10/2025

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Lecture 14 - Intro To blood - PoNF Exam
With Questions And Answers @ 2024
Average amount of blood in an adult - Answer 5 liters
functions of blood - Answer carriage of physiological active
compounds - plasma
clotting (platelets)
defence against pathogens (WBCs)
carriage of gas (RBCs)
thermoregulation
maintenance of ECF pH
what does blood consist of - Answer plasma, red blood cells, white
blood cells, platelets
Name 3 plasma proteins - Answer albumins, globulins, fibrinogen
Albumin function - Answer maintain osmotic pressure
carry lipid and fat soluble hormones/vitamins
globulin subtypes - Answer alpha, beta, gamma
alpha and beta globulin - Answer transport lipids and fat soluble
vitamins
gamma globulin - Answer serum fraction containing antibodies to
fight infection
fibrinogen - Answer clotting function
where do plasma proteins perform function - Answer in circulation -
are not taken up by cells
colloid oncotic pressure - Answer a form of osmotic pressure exerted
by protein in blood plasma that tends to pull water into the
pf3

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Lecture 14 - Intro To blood - PoNF Exam

With Questions And Answers @ 2024

Average amount of blood in an adult - Answer 5 liters functions of blood - Answer carriage of physiological active compounds - plasma clotting (platelets) defence against pathogens (WBCs) carriage of gas (RBCs) thermoregulation maintenance of ECF pH what does blood consist of - Answer plasma, red blood cells, white blood cells, platelets Name 3 plasma proteins - Answer albumins, globulins, fibrinogen Albumin function - Answer maintain osmotic pressure carry lipid and fat soluble hormones/vitamins globulin subtypes - Answer alpha, beta, gamma alpha and beta globulin - Answer transport lipids and fat soluble vitamins gamma globulin - Answer serum fraction containing antibodies to fight infection fibrinogen - Answer clotting function where do plasma proteins perform function - Answer in circulation - are not taken up by cells colloid oncotic pressure - Answer a form of osmotic pressure exerted by protein in blood plasma that tends to pull water into the

circulatory system factors responsible for colloid oncotic pressure - Answer high quantities of albumin lifespan of red blood cells - Answer 120 days red blood cell features - Answer highly flexible biconcave disc to increase surface area to carry more oxygen no nucleus - can't divide function of red blood cells - Answer transport oxygen and carbon dioxide erythropoiesis - Answer production of red blood cells what is erythropoiesis controlled by - Answer erythropoietin Where is erythropoietin produced? - Answer 85% kidneys 15% liver which factors will increase erythropoietin secretion? - Answer haemorrhage, anaemia, cardiac dysfunction, lung disease, hypoxia of kidneys name the 5 types of white blood cells - Answer neutrophils, basophils, eosinophils (granulocytes) monocytes, lymphocytes (agranulocytes) function of white blood cells - Answer fight infections Leukopoiesis - Answer production of white blood cells what is leukopoiesis controlled by - Answer cocktail of cytokines (colony stimulating factor and interleukins) what are cytokines released from? - Answer mature white blood cells function of platelets - Answer blood clotting what is formation of platelets controlled by? - Answer thrombopoietin