The major cell infected by the HIV is lymphocyte ?
Correct answer: A. helper-T
- A. helper-T
- B. B
- C. both T and B
- D. none of these
Explanation
HIV mainly infects helper T lymphocytes because the virus attaches to the CD4 receptor on these cells, gradually weakening specific immunity. The likely alternative is B lymphocytes, due to their role in antibody production, but HIV’s principal target is the CD4-positive helper T cell.
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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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