alleryHIV primarily infects
Ared blood cells
Bhelper T lymphocytes (CD4⁺)
Cneurons
Dmuscle cells
Answer & Solution
Correct answer: B. helper T lymphocytes (CD4⁺)
HIV binds CD4 receptors on helper T cells (and macrophages).
As CD4⁺ counts drop, the adaptive immune system fails.
Without treatment, AIDS develops — opportunistic infections take over.
Keep practising Unit 8R: Environmental Pollution & Organismal Health
Browse all Unit 8R: Environmental Pollution & Organismal Health questions for AP Biology, or explore more Biology topics.
Related questions
HIV primarily infectsCervical cancer is most commonly caused byVaccination provides protection against future infection mainly byAntibodies are produced byThe spread of cancer cells from the original site to distant organs is calledAntibodies passed from a mother to her infant through breast milk give the infantInsects breathe throughWhich structure belongs to the conducting (not respiratory) zone?