Final answer:
The statement regarding the General Adaptation Syndrome (GAS) as a model describing the body's response to short-term and long-term stress is indeed TRUE. GAS involves three stages, including alarm reaction, stage of resistance, and stage of exhaustion, representing the body's progressive response to sustained stress.
Step-by-step explanation:
The statement that the General Adaptation Syndrome (GAS) principle is a model of training that describes the body's short-term and long-term reactions to stress is TRUE. The GAS model, developed by Hans Selye, consists of three stages: (1) alarm reaction, (2) stage of resistance, and (3) stage of exhaustion. The initial stage, the alarm reaction, is the body's immediate response to stress, also known as the fight-or-flight response, manifested by the release of hormones such as epinephrine and norepinephrine that prepare the body for physical exertion.
Following the alarm stage, if the stressor persists, the body enters the stage of resistance where it adapts and maintains a state of readiness with less intensity than the initial reaction. Over time, if exposure to stress continues, the body may reach the stage of exhaustion, where the physiological resources become depleted, leading to potential health problems. Selye's GAS is a fundamental concept in understanding how the body manages and adapts to stress over time.