Questions and Answers
Which type of immunity is acquired later in life?
Humoral immunity
What type of white blood cell is responsible for phagocytosis?
Neutrophils
Which type of white blood cell destroys cells with a lower expression of MHC-1, such as tumors or virus-infected cells?
Natural killer cells (NK)
Which type of white blood cell is responsible for mediating cell-mediated immunity?
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What are the two main types of acquired immunity mentioned in the text?
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Which type of white blood cell is responsible for destroying cells that have a lower expression of MHC-1?
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Which type of white blood cell is NOT involved in phagocytosis?
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Which type of white blood cell is responsible for secreting antibodies?
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Which type of immunity is resistance that the skin has to infection?
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Which type of immunity is mediated by antibodies secreted by B-lymphocytes?
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Study Notes
Immunity and White Blood Cells
- Acquired immunity is acquired later in life.
- Phagocytosis is carried out by a type of white blood cell called neutrophils.
- Natural killer cells (NK cells) destroy cells with a lower expression of MHC-1, such as tumors or virus-infected cells.
- Cell-mediated immunity is mediated by T-lymphocytes (T-cells).
- There are two main types of acquired immunity: active and passive immunity.
- Natural killer cells (NK cells) are responsible for destroying cells that have a lower expression of MHC-1.
- Lymphocytes (B-cells and T-cells) are not involved in phagocytosis.
- B-lymphocytes (B-cells) are responsible for secreting antibodies.
- Innate immunity is resistance that the skin has to infection.
- Humoral immunity is mediated by antibodies secreted by B-lymphocytes.
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