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'.

Q: Question: In the preoperative period (2-6 years) the child usually thinks that the things of nature (rivers, mountains, etc.) have been built by the human being. This feature is called: 
 Options:  <1> Animism. <2> Realism. <3> Artificialism <4> Utilitarianism. <5> Pre-operative error

A: 3
****
Q: Question: Point out the correct answer regarding therapy for Rehm's depression: 
 Options:  <1> It focuses on three processes: self-tracking, self-esteem and self-reinforcement. <2> It has no empirical evidence to be considered well-established treatment. <3> Each of its components separately have been shown to be as effective as the complete treatment. <4> It presents a strong cognitive component. <5> It has been shown superior to interpersonal therapy and problem solving.

A: 3
****
Q: Question: Van Deemter's velocity equation tries to justify the contributions of the different effects that cause the widening of the chromatographic band, which are basically of four types: 
 Options:  <1> Eddy diffusion, dead volume and resistance to convection in both phases, mobile and stationary. <2> Length of the chromatographic column, longitudinal diffusion in axial and radical direction, and Joule effect. <3> Kinematic viscosity of the mobile phase, mass transport between the mobile phase and the stationary phase, transversal and longitudinal diffusion. <4> Effect of mass transfer in the stationary phase, in the mobile phase, Eddy diffusion and longitudinal molecular diffusion. <5> Molecular diffusion in axial direction, radical atomic diffusion, internal pressure of the column and viscosity of the mobile phase.

A:
4
****