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- Subject
- Microbiologymedical-mcqs › microbiology
- Published
- 26 Jul 2019
- Last updated
- 28 May 2026
Explanation
The key factor that differentiates viral infections from bacterial ones is the production of interferon, a protein that inhibits viral replication. In contrast, bacterial infections are often characterized by toxin release and immune responses involving lymphocytes and neutrophils.
More Microbiology MCQs
Practice related questions from the same subject.
- 1.An increase in anti-HBc antibodies in a patient typically signifies which condition?
- 2.Which of the following causes a cytopathic effect?
- 3.Which of the following is a typical characteristic of viruses?
- 4.Which opportunistic infection is most frequently observed in patients with AIDS?
- 5.Which of the following is NOT suitable for cultivating viruses?
- 6.After contracting hepatitis B via a blood transfusion, within what time frame do symptoms typically appear?
- 7.What does the 'window period' refer to in the context of HIV infection?
- 8.Which type of cells does the Human Immunodeficiency Virus (HIV) primarily target?