Based on Piaget's theory, thinking abilities also develop in a sequential order and it is useful to understand the stages to determine what developmental stage the client might have had difficulty with or need to work on. Genetic as well as prenatal and perinatal influences that affect health status. A person's perspective of his or her own environment, based on past experiences, knowledge, state of life, etc. The way a person responds to stressors that is health and growth-directed. Resources may be internal or external.
Arousal reflects anxiety and tension.
Equilibrium is a relatively steady state of balance and may be either adaptive or maladaptive. Whereas adaptation is positive, a maladaptive state is one in which the person is coping with stressful stimuli, but only at the cost of draining energies from another subsystem. Impoverishment is a state in which people have diminished or depleted resources to draw upon. The three phases of the GAS are the alarm reaction, stage of resistance and stage of exhaustion. Engle identifed psychological reactions to stress as with the flight or fight response.