Podcast
Questions and Answers
Which of the following is NOT a primary function of blood?
Which of the following is NOT a primary function of blood?
- Transporting oxygen and carbon dioxide
- Regulating body temperature
- Maintaining pH and fluid balance
- Producing digestive enzymes (correct)
What percentage of plasma volume is typically made up of water?
What percentage of plasma volume is typically made up of water?
- 50%
- 4%
- 45%
- 92% (correct)
Which of the following plasma proteins plays a significant role in blood coagulation?
Which of the following plasma proteins plays a significant role in blood coagulation?
- Albumin
- Immunoglobulin
- Fibrinogen (correct)
- Globulin
Albumins are a major component of osmotic pressure in plasma, what percentage does it occupy of the plasma proteins?
Albumins are a major component of osmotic pressure in plasma, what percentage does it occupy of the plasma proteins?
What is the primary function of erythrocytes?
What is the primary function of erythrocytes?
What structural feature of erythrocytes allows them to efficiently pass through narrow capillaries?
What structural feature of erythrocytes allows them to efficiently pass through narrow capillaries?
In hemoglobin, what type of ion is central to the porphyrin ring and binds oxygen?
In hemoglobin, what type of ion is central to the porphyrin ring and binds oxygen?
What happens to beta subunits of hemoglobin in fetal hemoglobin?
What happens to beta subunits of hemoglobin in fetal hemoglobin?
What is the approximate lifespan of erythrocytes?
What is the approximate lifespan of erythrocytes?
Where does the breakdown of expired erythrocytes primarily occur?
Where does the breakdown of expired erythrocytes primarily occur?
What is the significance of hematopoietic stem cells?
What is the significance of hematopoietic stem cells?
In adults, hematopoiesis primarily occurs in which location?
In adults, hematopoiesis primarily occurs in which location?
Which of the following directly stimulates erythropoiesis?
Which of the following directly stimulates erythropoiesis?
What is the definition of Hematocrit (HCT or Ht)?
What is the definition of Hematocrit (HCT or Ht)?
What is the term given to unipotent stem cells committed to forming granulocytes?
What is the term given to unipotent stem cells committed to forming granulocytes?
Which type of cell is part of the innate immune system and acts non-specifically to kill virus-infected and cancerous cells?
Which type of cell is part of the innate immune system and acts non-specifically to kill virus-infected and cancerous cells?
Which of the following leukocytes is primarily responsible for attacking parasites?
Which of the following leukocytes is primarily responsible for attacking parasites?
What is a key feature that distinguishes agranulocytes from granulocytes?
What is a key feature that distinguishes agranulocytes from granulocytes?
From what cells are platelets derived?
From what cells are platelets derived?
What is the main function of platelet α-granules?
What is the main function of platelet α-granules?
Flashcards
Hemostasis
Hemostasis
The process of stopping bleeding.
Immune Defense
Immune Defense
The body's defense against infection.
Blood Transport
Blood Transport
Delivering oxygen, nutrients, and hormones while removing metabolic wastes.
Plasma
Plasma
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Erythrocytes
Erythrocytes
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Albumins
Albumins
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Fibrinogen
Fibrinogen
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Globulins
Globulins
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Erythrocytes Features
Erythrocytes Features
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Hemoglobin
Hemoglobin
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Porphyrin Ring
Porphyrin Ring
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Liver and Spleen
Liver and Spleen
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Hematopoietic Stem Cells
Hematopoietic Stem Cells
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Hemopoiesis
Hemopoiesis
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Erythropoiesis
Erythropoiesis
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Hematocrit
Hematocrit
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Leukopoiesis
Leukopoiesis
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Colony-Stimulating Factors
Colony-Stimulating Factors
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Histamine
Histamine
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Study Notes
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Blood I includes blood composition and hematopoiesis.
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Beatriz Castro, Ph.D., created this information of Blood I in 2025.
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Blood functions to maintain hemostasis.
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Hemostasis is the process responsible for stopping bleeding.
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Blood helps to regulate pH and fluid balance.
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The immune defense of the body relies on cells and antibodies found in the blood.
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Blood also plays a role in thermoregulation.
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It transports oxygen, nutrients and hormones to body tissues whilst removing metabolic wastes like urea and carbon dioxide.
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Blood is a connective tissue with an extracellular matrix (ECM) making it a fluid.
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Plasma makes up 55% of blood and is a straw-colored, viscous fluid.
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Formed elements, which include cells, arise from hematopoietic stem cells in red bone marrow.
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Blood consists of plasma and formed elements (3 types of cells).
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Plasma consists of 4% proteins, 50% water, and 1% other solutes
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Proteins found in plasma are Albumin (60%), Globulins (36%), and Fibrinogen (4%)
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Water makes up 50% of plasma.
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Neutrophils (55-70%), Lymphocytes (20-40%), Monocytes (2-8%), Eosinophils (1-4%), and Basophils (0.5-1%) are electrolytes, nutrients, and hormones that make up 1% of plasma.
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Water makes up 50% of blood and arises from hematopoietic stem cells in red bone marrow.
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A normal adult has a blood volume of approx 5L.
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Description
Blood is a connective tissue that maintains homeostasis. It regulates pH and fluid balance, provides immune defense, and aids in thermoregulation. Blood transports oxygen, nutrients, and hormones while removing metabolic wastes.
