In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.

Question: In an electrochemical cell, the supporting electrolyte serves to: 
 Options:  <0> That the principle of electroneutrality in the dissolution is fulfilled. <1> That their ions are electrolized preferably in order to prevent the consumption of electroactive substance. <2> That in the cell there is transport by migration, in order to achieve greater sensitivity. <3> That the solution has an adequate electrical conductivity. <4> Encourage transport by diffusion of the electroactive substance.
chemistry

Question: What model of Family Therapy states that the change occurs when the pathological family game is replaced by another less harmful game? 
 Options:  <0> Therapy of the group of Milan. <1> Palo Alto MRI Therapy. <2> Therapy focused on solutions. <3> Structural therapy <4> Strategic therapy
psychology

Question: The quality of a spectrum can be defined: 
 Options:  <0> Based on the relationship between the intensities of the bands containing information (S) and noise (R). <1> Based on the selected wavelength. <2> Only in function of the analytical signal. <3> Depending on the relationship between wavelength and noise. <4> Based on very low frequency noise.

pharmacology