Multiple Choice
Use the following information to answer the following questions.
An otherwise healthy student in your class is infected with EBV, the virus that causes infectious mononucleosis. The same student had already been infected when she was a child, and she had merely experienced a mild sore throat and swollen lymph nodes in her neck. This time, though infected, she does not get sick.
-What are CD4 and CD8?
A) proteins secreted by antigen-presenting cells
B) receptors present on the surface of natural killer (NK) cells
C) T-independent antigens
D) molecules present on the surface of T cells where they enhance cellular interaction
E) molecules on the surface of antigen-presenting cells where they enhance B cell activity
Correct Answer:

Verified
Correct Answer:
Verified
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