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Questions and Answers
What does the hematocrit measure?
What does the hematocrit measure?
- The percent of the blood volume composed of red blood cells (correct)
- The level of oxygen in the blood
- The number of white blood cells in the blood
- The amount of water present in blood plasma
Which components are included in the blood plasma?
Which components are included in the blood plasma?
- Antibodies, antigens, plasma cells
- Red blood cells, white blood cells, platelets
- Water, ions, proteins, nutrients, hormones, wastes (correct)
- Hemoglobin, myoglobin, fibrinogen
What is the primary function of red blood cells in the cardiovascular system?
What is the primary function of red blood cells in the cardiovascular system?
- Producing antibodies to fight infections
- Regulating the body's water balance
- Transporting oxygen to body tissues (correct)
- Assisting in blood clotting
What is the rapid assessment of blood composition called?
What is the rapid assessment of blood composition called?
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Which of the following is a component of the cardiovascular system?
Which of the following is a component of the cardiovascular system?
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Study Notes
Blood Composition
- Hematocrit measures the proportion of red blood cells in the blood.
- Blood plasma is composed of water, salts, sugars, lipids, hormones, gases, and proteins.
- The primary function of red blood cells is to transport oxygen from the lungs to the body tissues and carbon dioxide from the tissues to the lungs.
Cardiovascular System
- Rapid assessment of blood composition is called hematology.
- The cardiovascular system consists of the heart, arteries, veins, and blood vessels.
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