The statement "Macrophages can undertake repeated phagocytosis" is true. Macrophages are a type of white blood cell that can engulf and digest cellular debris, foreign substances, microbes, cancer cells, and anything else that does not have the types of proteins specific to healthy body cells on its surface in a process called phagocytosis. This process can be repeated multiple times by the same macrophage.

The statement "Pus is formed predominantly from dead macrophages" is also true. Pus is a thick fluid that often accumulates at sites of infection and is composed of dead white blood cells (predominantly neutrophils), tissue debris, and pathogens. Macrophages can be a part of pus, but they are not the predominant cell type.

The statement "Neutrophils require activation before they are effective" is true. Neutrophils are the most abundant type of white blood cells and are among the first to arrive at the site of an infection. However, they need to be activated by inflammatory mediators (such as cytokines) to perform their functions effectively.

The statement "Neutrophils are long living cells" is false. Neutrophils are short-lived cells, typically living only about 6 hours to a few days. They are constantly being produced in the bone marrow to replace those that have died.

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The statement "Macrophages can undertake repeated phagocytosis" is true. Macrophages are a type of white blood cell that can engulf and digest cellular debris, foreign substances, microbes, cancer cells, and anything else that does not have the types of proteins specific to healthy body cells on its surface in a process called phagocytosis. This process can be repeated multiple times by the same macrophage.

The statement "Pus is formed predominantly from dead macrophages" is also true. Pus is a thick fluid that often accumulates at sites of infection and is composed of dead white blood cells (predominantly neutrophils), tissue debris, and pathogens. Macrophages can be a part of pus, but they are not the predominant cell type.

The statement "Neutrophils require activation before they are effective" is true. Neutrophils are the most abundant type of white blood cells and are among the first to arrive at the site of an infection. However, they need to be activated by inflammatory mediators (such as cytokines) to perform their functions effectively.

The statement "Neutrophils are long living cells" is false. Neutrophils are short-lived cells, typically living only about 6 hours to a few days. They are constantly being produced in the bone marrow to replace those that have died.

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The statement "Macrophages can undertake repeated phagocytosis" is true. Macrophages are a type of white blood cell that can engulf and digest cellular debris, foreign substances, microbes, cancer cells, and anything else that does not have the types of proteins specific to healthy body cells on its surface in a process called phagocytosis. This process can be repeated multiple times by the same macrophage.

The statement "Pus is formed predominantly from dead macrophages" is also true. Pus is a thick fluid that often accumulates at sites of infection and is composed of dead white blood cells (predominantly neutrophils), tissue debris, and pathogens. Macrophages can be a part of pus, but they are not the predominant cell type.

The statement "Neutrophils require activation before they are effective" is true. Neutrophils are the most abundant type of white blood cells and are among the first to arrive at the site of an infection. However, they need to be activated by inflammatory mediators (such as cytokines) to perform their functions effectively.

The statement "Neutrophils are long living cells" is false. Neutrophils are short-lived cells, typically living only about 6 hours to a few days. They are constantly being produced in the bone marrow to replace those that have died.

Which of the following statements about phagocytes is TRUE?Select one alternative:Macrophages can undertake repeated phagocytosisPus is formed predominantly from dead macrophagesNeutrophils require activation before they are effectiveNeutrophils are long living cells

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