Podcast
Questions and Answers
Which type of leukocyte is primarily responsible for engulfing bacteria?
Which type of leukocyte is primarily responsible for engulfing bacteria?
- Basophils
- Neutrophils (correct)
- Eosinophils
- Lymphocytes
What is the main function of basophils in the immune response?
What is the main function of basophils in the immune response?
- Producing antibodies
- Digesting parasitic worms
- Engulfing viruses
- Releasing histamine (correct)
Which type of leukocyte has a two-lobed nucleus and is involved in combating parasitic infections?
Which type of leukocyte has a two-lobed nucleus and is involved in combating parasitic infections?
- Basophils
- Monocytes
- Neutrophils
- Eosinophils (correct)
Which leukocyte is the largest and has a U-shaped nucleus?
Which leukocyte is the largest and has a U-shaped nucleus?
What percentage of white blood cells do lymphocytes constitute?
What percentage of white blood cells do lymphocytes constitute?
Which white blood cell type's role is releasing inflammatory chemicals?
Which white blood cell type's role is releasing inflammatory chemicals?
Which leukocyte type primarily utilizes phagocytosis to combat viral infections?
Which leukocyte type primarily utilizes phagocytosis to combat viral infections?
Which leukocyte type constitutes 50-70% of the total white blood cell count?
Which leukocyte type constitutes 50-70% of the total white blood cell count?
What is the primary role of eosinophils in the immune system?
What is the primary role of eosinophils in the immune system?
Which leukocyte type is predominantly found in lymph nodes and possesses a large nucleus?
Which leukocyte type is predominantly found in lymph nodes and possesses a large nucleus?
Which of the following leukocyte types is classified as a agranulocyte?
Which of the following leukocyte types is classified as a agranulocyte?
Flashcards
Neutrophil function
Neutrophil function
Engulf and destroy bacteria using phagocytosis. Found in high numbers at infection sites.
Eosinophils function
Eosinophils function
Fight parasites and inflammation targeting worms like tapeworms and flukes using enzymes.
Basophil function
Basophil function
Release histamine, a chemical that attracts other white blood cells to pathogens, causing inflammation.
What are Granulocytes?
What are Granulocytes?
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Macrophage function
Macrophage function
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Lymphocyte types
Lymphocyte types
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What are Agranulocytes?
What are Agranulocytes?
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What are Neutrophils?
What are Neutrophils?
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What are Eosinophils?
What are Eosinophils?
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What are Basophils?
What are Basophils?
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What are Lymphocytes?
What are Lymphocytes?
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Study Notes
Granulocytes
-
Neutrophils:
- Most common white blood cell (50-70%)
- Multi-lobed nucleus
- Attracted to sites of inflammation
- Use phagocytosis to engulf bacteria
-
Eosinophils:
- 2-4% of white blood cells
- Two-lobed nucleus
- Use enzymes to digest parasitic worms (e.g., tapeworms, flukes)
-
Basophils:
- Rarest white blood cells (less than 1%)
- Release histamine, an inflammatory chemical that attracts other white blood cells to the site of infection
Agranulocytes
-
Lymphocytes:
- 25% of white blood cells
- Most numerous white blood cell
- Large nucleus that takes up most of the cell
- Found in lymph nodes
- Two types: T cells and B cells
-
Monocytes:
- 3-8% of white blood cells
- Largest leukocytes
- U-shaped nucleus
- Become macrophages—phagocytes that engulf viruses and other pathogens
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