AP BIOLOGY

THE HUMAN IMMUNE SYSTEM

AIDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A patient consulted an immunologist about diarrhea, weight loss within several months, low-grade fever, enlarged lymph nodes. The doctor suspected HIV infection. What immunocompetent cells must be studied in the first place?
A
Helper T-lymphocytes
B
Suppressor T-lymphocytes
C
B-lymphocytes
D
Monocytes
E
Plasma cells
Explanation: 
There is 1 question to complete.