Question:
Interferons are class of cytokines to stimulate other cells against _______ infections.
Interferons are class of cytokines to stimulate other cells against _______ infections.
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Interferon = Interfere with virus replication. Always remember antiviral immunity.
Updated On: May 4, 2026
- bacterial
- helminth
- protozoan
- viral
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The Correct Option is D
Solution and Explanation
Concept:
Interferons are signaling proteins (cytokines) produced by host cells in response to infections, especially viral infections.
Step 1: Understand function of interferons. Interferons:
• Are released by virus-infected cells
• Warn neighboring cells
• Induce antiviral state in surrounding cells
Step 2: Identify type of infection. They specifically act against viruses by inhibiting viral replication. \[ \text{Interferons} \rightarrow \text{Antiviral defense} \]
Step 3: Analyze options.
• (A) Bacterial → Not primary role $\times$
• (B) Helminth → Parasitic worms $\times$
• (C) Protozoan → Different immune response $\times$
• (D) Viral → Correct \checkmark
Step 4: Conclusion. \[ \text{Interferons act against viral infections} \]
Interferons are signaling proteins (cytokines) produced by host cells in response to infections, especially viral infections.
Step 1: Understand function of interferons. Interferons:
• Are released by virus-infected cells
• Warn neighboring cells
• Induce antiviral state in surrounding cells
Step 2: Identify type of infection. They specifically act against viruses by inhibiting viral replication. \[ \text{Interferons} \rightarrow \text{Antiviral defense} \]
Step 3: Analyze options.
• (A) Bacterial → Not primary role $\times$
• (B) Helminth → Parasitic worms $\times$
• (C) Protozoan → Different immune response $\times$
• (D) Viral → Correct \checkmark
Step 4: Conclusion. \[ \text{Interferons act against viral infections} \]
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