A 40-year-old male who has been HIV positive for 6 years is experiencing a new increase in his viral load along with a corresponding decrease in his CD4⁺count. Which of the following aspects of his immune system is likely to remain most intact?

Question

Quizplus · Accepted Answer

The expression of MHC on various cells of the body is not noted to be directly influenced by HIV. However, infected CD4⁺cells are compromised in their ability to guide the action of NK cells, to direct phagocytic function of macrophages, and to present antigens that activate B cells.

A 40-Year-Old Male Who Has Been HIV Positive for 6