instruction:
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:
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.
answer:
chemistry


question:
Question: Point out the correct option: 
 Options:  <0> Long-acting bronchodilators should be used on demand. <1> Rapid-acting bronchodilators should be administered every 3-5 hours. <2> Bradycardia is an adverse effect that frequently appears after the administration of bronchodilators. <3> Glucocorticoids are used as a preventive treatment for seizures in asthmatic patients. <4> The answers 1 and 4 are correct.
answer:
nursery


question:
Question: If metallic copper is added to a solution of iron (III) chloride, it produces: 
 Options:  <0> A precipitate of copper (II) chloride. <1> A solution of copper (II) chloride and iron (II) chloride. <2> A precipitate of iron (II) chloride. <3> A precipitate of metallic iron. <4> A solution of copper (I) chloride and iron (II) chloride.
answer:

chemistry