All of the clinical & pathologic manifestations of septic shock are caused by very high levels of

I believe the answer is TNF

Shock happens when the heart can't supply enough blood for the body. Septic shock is caused by the high amount of inflammatory cytokines in the body that makes the body vessel dilate and increases permeability. The inflammatory cytokines that responsible for cytokines production in septic shock would be Tumor Necrosis Factor(TNF).

of those who start drinking before they're 15 will develop alcohol dependence

it would be c. xylem.