Amongst all the given statements, the correct statements are 1, 2, and 3.
The fight or flight response is an instantaneous physiological reaction to a hectic or frightening event.
Threat perception activates the sympathetic nervous system, resulting in an acute stress response that prepares the body to fight or flee.
As per the given situation, the correct statements are:
Thus, the correct options are 1, 2, and 3.
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