Q. AIDS is caused by HIV that principally infects :
A) all lymphocytes
B) activator B cells
C) T 4 lymphocytes
D) cytotoxic T cells
Explanation
[Solution from source] HIV attaches to the CD4 receptor, so it mainly infects helper T (T4) lymphocytes (and macrophages). The steady fall in these cells causes immunodeficiency. Cytotoxic T cells are CD8 and are not the main target. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.