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Questions and Answers
What is the primary function of red blood cells (RBCs)?
What is the primary function of red blood cells (RBCs)?
- Blood clotting
- Transportation of nutrients
- Immune defense
- Transportation of oxygen and carbon dioxide (correct)
Which of the following components accounts for the highest percentage of blood volume?
Which of the following components accounts for the highest percentage of blood volume?
- White blood cells
- Plasma (correct)
- Red blood cells
- Platelets
What is the role of platelets in the blood?
What is the role of platelets in the blood?
- Blood clotting (correct)
- Immune response
- Oxygen transportation
- Nutrient distribution
Which blood type is considered a universal recipient?
Which blood type is considered a universal recipient?
What is hematopoiesis?
What is hematopoiesis?
Flashcards
Hematopoiesis
Hematopoiesis
The process of creating new blood cells in the red bone marrow.
Plasma
Plasma
The liquid component of blood, containing water, proteins, nutrients, and waste products.
Red Blood Cells (RBCs)
Red Blood Cells (RBCs)
Blood cells responsible for transporting oxygen and carbon dioxide.
White Blood Cells (WBCs)
White Blood Cells (WBCs)
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Platelets (Thrombocytes)
Platelets (Thrombocytes)
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Study Notes
Blood Functions
- Blood transports oxygen, carbon dioxide, nutrients, hormones, and waste products.
- Blood regulates pH, temperature, and fluid balance.
- Blood provides protection through the immune response and blood clotting mechanisms.
Blood Anatomy
- Plasma accounts for 55% of blood volume and contains water, proteins, nutrients, and waste.
- Formed elements, including red blood cells, white blood cells, and platelets, comprise 45% of blood volume.
Formed Elements & Functions
- Red blood cells (RBCs) transport oxygen and carbon dioxide.
- White blood cells (WBCs) are crucial for immune defense.
- Platelets (thrombocytes) are essential for blood clotting.
Hematopoiesis
- Blood cell production occurs in red bone marrow.
Blood Types & Compatibility
- Blood types include A, B, AB, and O, which can be further categorized as Rh positive or Rh negative.
- O negative blood is a universal donor.
- AB positive blood is a universal recipient.
Blood Tests
- A complete blood count (CBC) provides comprehensive blood cell information.
- Hematocrit measures the percentage of red blood cells in the blood.
- Hemoglobin measures the amount of oxygen-carrying protein in the blood.
- Blood glucose tests measure blood sugar levels.
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