Which of the following is true of chronic stress in human beings?

A. It is temporary.

B. It may lead to persistent autonomic nervous system arousal.

C. It involves excessive activity of the parasympathetic nervous system.

D. It is adaptive.

The answer to this question would be: B. It may lead to persistent autonomic nervous system arousal.

Chronic stress can cause persistent sympathetic nervous arousal which was used in "fight or flight" response. It also increased level of the stress hormone called cortisol. These events will result in chronic fatigue, depression and decreased function of the immune system.