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.

[EX Q]: Question: Question linked to the image nº4 34-year-old man, athlete, who presents a picture of oppressive, continuous chest pain radiating to the back that is accentuated with deep inspiration, of 4 days of evolution, without fever. It refers to a picture of tonsillitis 2 months ago. Rhythmic cardiac auscultation without murmurs. It does not present data of hemodynamic alteration or heart failure. Normal analytical, except for discrete leukocytosis. When you arrive at the emergency room, an ECG is performed, shown in the figure. While waiting for the result of markers of myocardial injury, the most likely diagnosis in this patient is: 
 Options:  <0> Subacute myocardial infarction anteroseptal. <1> Tietze syndrome. <2> Osteomuscular thoracic pain with athlete's ECG. <3> Acute pericarditis <4> Unstable angina.
[EX A]: medicine

[EX Q]: Question: The virions of the Arenavirus contain: 
 Options:  <0> A linear single-stranded RNA molecule. <1> Two equal molecules of linear double-stranded RNA. <2> Two different molecules of linear single-stranded RNA. <3> Two distinct molecules of single-stranded circular RNA. <4> Two identical molecules of single-stranded circular RNA.
[EX A]: biology

[EX Q]: Question: What values ​​obtained in an arterial blood gas are considered within the normal parameters in an adult person ?: 
 Options:  <0> PaCO2 65mmHg, PaO2 80mmHg, pH 7.55. <1> PaCO2 35mmHg, PaO2 110mmHg, pH 7.55. <2> PaCO2 35mmHg, PaO2 90mmHg, pH 7.35. <3> PaCO2 80mmHg, PaO2 35mmHg, pH 7.35. <4> PaCO2 20mmHg, PaO2 90mmHg, pH 7.45.
[EX A]:
nursery