Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
Phagocytic cells of innate immunity include NK cells and basophils.

검증된 단계별 안내

Step 1: Understand the role of phagocytic cells in innate immunity. Phagocytic cells are specialized cells that engulf and digest pathogens, debris, and other harmful particles. Examples include neutrophils, macrophages, and dendritic cells.

Step 2: Analyze the statement provided. The statement claims that NK (natural killer) cells and basophils are phagocytic cells of innate immunity.

Step 3: Recall the functions of NK cells and basophils. NK cells are part of innate immunity but are not phagocytic; they destroy infected or cancerous cells by inducing apoptosis. Basophils are also part of innate immunity but are involved in releasing histamine and other chemicals during allergic reactions and inflammation, not phagocytosis.

Step 4: Determine the accuracy of the statement. Based on the functions of NK cells and basophils, the statement is false because neither NK cells nor basophils are phagocytic.

Step 5: Correct the false statement. A true statement would be: 'Phagocytic cells of innate immunity include neutrophils, macrophages, and dendritic cells.'

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이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

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주요 개념

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Innate Immunity

Innate immunity is the body's first line of defense against pathogens, consisting of physical barriers and immune cells that respond quickly to infections. It includes various cell types, such as phagocytes, which engulf and destroy foreign invaders. Unlike adaptive immunity, innate immunity does not require prior exposure to a pathogen to be activated.

Phagocytic Cells

Phagocytic cells are a type of immune cell that can engulf and digest pathogens and debris. Key examples include macrophages and neutrophils, which play a crucial role in the innate immune response. These cells recognize, ingest, and destroy harmful microorganisms, helping to prevent the spread of infection.

Natural Killer (NK) Cells

Natural Killer (NK) cells are a subset of lymphocytes that play a vital role in the innate immune system by targeting and destroying infected or cancerous cells. Unlike phagocytes, NK cells do not engulf pathogens; instead, they release cytotoxic substances that induce apoptosis in their targets. They are essential for early defense against viral infections and tumor surveillance.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.Phagocytic cells of innate immunity include NK cells and basophils.