A teen health and social life will be affected if tested positive for HIV by having less friends, taking more precautions, and having less communication with others because no one would want to get near an HIV teen
A - Obtain a 24 hour urine test for catecholamines.
Suicidal thoughts and/or actions consist of you thinking about hurting yourself, and eventually killing yourself. When you have suicidal thoughts, you might cut yourself, and feel down, but remember, if you are feeling suicidal, talk with an adult you trust, or call the suicidal hot line.
~Hope I helped!~
I would go for B. Production of immune cells
Technically any of these. Are there any other details or specifics. I'd assume participating in sports because a diet only helps stress levels in the long term, watching television can relax a person but the other factors such as lack of social activity can contribute to a person's overall mental state and therefore increase stress levels, and studying can actually be relieving for some people depending on the mental state and needs of them but can obviously be a stresser. The only downfall to participating in sports is getting to excited or emotional during a game for example. But overall, C is the best choice.