Alarm Reaction Stage: According to the General Adaptation Syndrome (GAS) model, the immediate impact on Suman's mother due to the fire (noxious stimulus) is the alarm reaction stage.
Activation of System: This stage is marked by the activation of the adrenal-pituitary-cortex system in her body, and the body prepares for action.
Hormonal Release: The alarm stage also triggers the release of hormones, which is why her body becomes prepared to cope with the situation.