PATHOLOGY MCQ
LYMPHO RETICULAR SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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These are a type of immune system cell (white blood cell). They phagocytize (“eat”) foreign substances and activate T cells.
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Lymphocytes
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Macrophages
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Reticular cells
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None of these
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Explanation:
Detailed explanation-1: -Macrophages are effector cells of the innate immune system that phagocytose bacteria and secrete both pro-inflammatory and antimicrobial mediators.
Detailed explanation-2: -Professional phagocytes play a central role in innate immunity by eliminating pathogenic bacteria, fungi and malignant cells, and contribute to adaptive immunity by presenting antigens to lymphocytes.
Detailed explanation-3: -These include neutrophils, eosinophils, basophils, mast cells, monocytes, macrophages, dendritic cells, natural killer cells, and lymphocytes (B cells and T cells).
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