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Questions and Answers
Explain the transport function of blood and provide examples of substances it transports.
Explain the transport function of blood and provide examples of substances it transports.
The transport function of blood involves carrying substances such as oxygen, carbon dioxide, glucose, hormones, and drugs throughout the body.
What is the function of fibrinogen in the plasma?
What is the function of fibrinogen in the plasma?
Fibrinogen plays a role in blood clotting.
Describe the function of red blood cells in the body.
Describe the function of red blood cells in the body.
Red blood cells bring oxygen to the tissues and release carbon dioxide to the lungs, supporting energy production and overall body health.
What is the composition of plasma and its major components?
What is the composition of plasma and its major components?
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What is the average blood volume in the human body?
What is the average blood volume in the human body?
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Which of the following substances is carried by the blood as part of its transport function?
Which of the following substances is carried by the blood as part of its transport function?
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What is the primary role of albumin in the plasma?
What is the primary role of albumin in the plasma?
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Which of the following elements is a major component of plasma?
Which of the following elements is a major component of plasma?
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What is the function of globulin in the plasma?
What is the function of globulin in the plasma?
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Which component of blood is primarily responsible for bringing oxygen to body tissues?
Which component of blood is primarily responsible for bringing oxygen to body tissues?
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What is the function of globulin in the plasma?
What is the function of globulin in the plasma?
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Which element constitutes 90% of the plasma volume?
Which element constitutes 90% of the plasma volume?
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What is the primary function of albumin in the plasma?
What is the primary function of albumin in the plasma?
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Which of the following substances is carried by the blood as part of its transport function?
Which of the following substances is carried by the blood as part of its transport function?
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What is the average count of red blood cells (RBCs) per mm3 for males?
What is the average count of red blood cells (RBCs) per mm3 for males?
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Study Notes
Transport Function of Blood
- Blood transports oxygen, carbon dioxide, nutrients, hormones, and waste products throughout the body.
- Oxygen is carried from the lungs to tissues; carbon dioxide is transported from tissues back to the lungs.
Fibrinogen Function
- Fibrinogen is a protein in plasma that plays a crucial role in blood clotting.
- It is converted into fibrin by thrombin, which helps form a stable blood clot.
Function of Red Blood Cells
- Red blood cells (RBCs) contain hemoglobin, enabling them to transport oxygen from the lungs to body tissues.
- They also assist in transporting carbon dioxide from the tissues back to the lungs.
Composition of Plasma
- Plasma consists of water (about 90%), electrolytes, proteins, hormones, and nutrients.
- Major components include albumin, globulins, and fibrinogen.
Average Blood Volume
- The average blood volume in the human body is approximately 5 liters, varying by body size and gender.
Albumin Role
- Albumin is a key protein in plasma that helps maintain oncotic pressure and transport substances like fatty acids and hormones.
- It is essential in regulating blood volume and fluid balance.
Major Plasma Components
- A major component of plasma is water, constituting about 90% of its volume.
- Other significant components include electrolytes and plasma proteins.
Function of Globulin
- Globulins are plasma proteins that play roles in immune response, transporting hormones, and maintaining osmotic pressure.
- They include antibodies that protect the body against infections.
Oxygen Transport by Blood
- Hemoglobin in red blood cells is primarily responsible for bringing oxygen to body tissues.
- This efficient transport system is vital for cellular respiration and energy production.
Red Blood Cell Count
- The average count of red blood cells (RBCs) is around 4.7 to 6.1 million cells per mm³ for males.
- This count varies based on factors like age, sex, and altitude.
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Description
Test your knowledge of blood physiology with this quiz! Explore topics such as blood volume, functions, and composition, including plasma and cellular elements. Challenge yourself to understand the vital role of blood in the human body.
