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- Subject
- Microbiologymedical-mcqs › microbiology
- Published
- 26 Jul 2019
- Last updated
- 28 May 2026
Explanation
The presence of HBs antigen (HBs Ag) is the serologic indicator of recent Hepatitis B infection during the window period. IgM anti-HBc and anti-HBs appear at different stages, so they are not indicative during this specific phase.
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?