Parts of the Nervous System

Critical Thinking Questions

What are the implications of compromised immune function as a result of exposure to chronic stress?


Chronic stress can lead to increased susceptibility to bacterial and viral infections, and potentially an increased risk of cancer. Ultimately, this could be a vicious cycle with stress leading to increased risk of disease, disease states leading to increased stress and so on.

Examine Figure, illustrating the effects of sympathetic nervous system activation. How would all of these things play into the fight or flight response?


Most of these effects directly impact energy availability and redistribution of key resources and heightened sensory capacity. The individual experiencing these effects would be better prepared to fight or flee.