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.
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Question: Question: A 70-year-old man presented with progressive dyspnea and a non-productive cough several years old. In chest X-ray, pleural plaques are seen in the mediastinal and diaphragmatic pleura. On CT, these plaques are confirmed, also appreciating the presence of reticulonodulillar involvement predominantly in lower fields. Among the following, what attitude would you recommend in the first place? 
 Options:  <0> Complete your smoking history. <1> Inquire about occupational exposure. <2> Request blood tests to rule out eosinophilia. <3> Do complete respiratory functional tests. <4> Propose a transbronchial biopsy.

Answer: medicine


Question: Question: The DNA Girasa is: 
 Options:  <0> A eukaryotic Topoisomerase I. <1> A eukaryotic Topoisomerase II <2> A prokaryotic Topoisomerase I <3> A prokaryotic Topoisomerase II. <4> A prokaryotic Helicasa.

Answer: chemistry


Question: Question: What cells of the juxtaglomerular apparatus synthesize and store renin ?: 
 Options:  <0> The cells of the macula densa. <1> The mesangial cells. <2> The main cells. <3> The juxtaglomerular cells. <4> The cells interspersed.

Answer:
pharmacology