AIDS is caused by ________ virus?
Correct answer: B. HIV
- A. HAV
- B. HIV
- C. Rabies
- D. Pigs
Explanation
AIDS is caused by human immunodeficiency virus, or HIV, which progressively damages immune cells, especially CD4 T lymphocytes. Students may choose HAV because it is also a viral abbreviation, but HAV causes hepatitis A rather than AIDS.
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About AIDS and HIV Infection
HIV is a retrovirus that infects CD4 T lymphocytes and gradually weakens immune function, while AIDS is the advanced syndrome caused by severe immune deficiency. Coverage includes viral transmission, replication, disease progression, opportunistic infections, diagnosis, prevention and the difference between HIV infection and AIDS.
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