A. But, if doing cpr on babies and infants you should only use 2 fingers
Answer:
A
Explanation:
Failure of T-cell homeostasis is an important feature of HIV-1 infection. Substantial evidence indicates that T-cell homeostasis is independent of CD4+ and CD8+ subsets, and this may contribute to the decline of CD4+ T cells to low levels in this disease.
The answer is C is b/c sun exposure is completely natural unlike the followin answers.