In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.

Question: When the organism passes successively through the phases of alarm reaction, resistance phase and exhaustion phase, we refer to:
Options: <1> The autonomous nervous system. <2> The placebo effect. <3> Electrokinesiological biofeedback. <4> Restrictive anorexia nervosa. <5> The general adaptation syndrome.
5