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Question
Which of the following substances are produced by the body cells to protect uninfected cells from viral invasion?
Options
Histamine
Complement
Natural killer cells
Interferons
MCQ
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Solution
Interferons
Explanation:
Interferons are substances produced by body cells to protect uninfected cells from viral invasion. They work by interfering with viral replication within host cells, thereby helping neighboring cells resist infection. Histamine, complement, and natural killer cells have different immune roles but do not directly protect uninfected cells from viral invasion like interferons do.
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