Final answer:
The body mobilizes stress-fighting hormones like adrenaline, noradrenaline, and cortisol in the alarm stage of the general adaptation syndrome, where it prepares for fight-or-flight responses.
Step-by-step explanation:
In the alarm stage, the body mobilizes its resources to cope with added stress by producing more adrenaline, noradrenaline, and cortisol. The general adaptation syndrome (GAS), developed by Hans Selye, describes the alarm reaction as the body's initial response to stress, invoking the fight-or-flight response through the secretion of hormones like epinephrine and norepinephrine. This stage is characterized by a cascade of physiological reactions that prepare the body to either fight or flee from a perceived threat. Following the alarm reaction, if the stress persists, the body enters the stage of resistance, where it adapts to the continued stressor but at a reduced level of physiological activation.