Match the following leukocytes with the correct definition.
Basophil
B lymphocyte
Neutrophil
Monocyte
T lymphocyte
Eosinophil
a. Destroys bacteria; directly phagocytoses bacteria
b. Responds to parasitic worm infection and mediates the allergic response
c. Activates all parts of the immune response; directly kills cancer or virally infected cells
d. Secretes inflammatory mediators
e. Agranulocyte that matures into macrophage
f. Agranulocyte that secretes antibodies

검증된 단계별 안내

Step 1: Understand the definitions provided for each leukocyte type. Each definition corresponds to a specific function or characteristic of the leukocyte.

Step 2: Match 'Basophil' with its definition. Basophils are known for secreting inflammatory mediators, so they correspond to definition (d).

Step 3: Match 'B lymphocyte' with its definition. B lymphocytes are agranulocytes that secrete antibodies, so they correspond to definition (f).

Step 4: Match 'Neutrophil' with its definition. Neutrophils destroy bacteria through direct phagocytosis, so they correspond to definition (a).

Step 5: Match 'Monocyte' with its definition. Monocytes are agranulocytes that mature into macrophages, so they correspond to definition (e). Match 'T lymphocyte' with definition (c), as T lymphocytes activate immune responses and directly kill cancer or virally infected cells. Match 'Eosinophil' with definition (b), as eosinophils respond to parasitic worm infections and mediate allergic responses.

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주요 개념

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Leukocyte Types

Leukocytes, or white blood cells, are crucial components of the immune system, responsible for defending the body against infections and foreign invaders. There are several types of leukocytes, including neutrophils, basophils, eosinophils, monocytes, and lymphocytes (B and T cells), each with distinct functions in immune response.

Phagocytosis

Phagocytosis is a process by which certain immune cells, such as neutrophils and monocytes, engulf and digest pathogens or debris. This mechanism is vital for the elimination of bacteria and dead cells, contributing to the body's defense and tissue repair.

Adaptive Immunity

Adaptive immunity refers to the immune response that is specific to particular pathogens and involves lymphocytes, particularly B and T cells. B lymphocytes produce antibodies to neutralize pathogens, while T lymphocytes can directly kill infected or cancerous cells, playing a key role in long-term immunity.