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.

[Q]: Question: Could a glass electrode be used as a reference electrode ?:
Options: <0> Yes, if the glass electrode is a combined electrode. <1> Yes, if a mercury electrode is used as the indicator electrode. <2> No, since the glass electrode is a selective electrode. <3> No, because its foundation is not Nerstian. <4> Yes, if the determination is made in a buffered medium.
[A]: chemistry

[Q]: Question: Question linked to image # 5 In this patient, what should be the initial treatment?
Options: <0> Perform a diagnostic angiography plus an associated fibrinolysis. <1> Modify vascular risk factors, physical exercise and medical treatment. <2> The surgery of revascularization by bypass or by endovascular surgery. <3> Perform an urgent embolectomy. <4> Analgesic treatment and decrease physical exercise until symptoms improve.
[A]: medicine

[Q]: Question: The epidemiology of schizophrenia reflects that:
Options: <0> 0.1% of the general population suffers from this disorder and that percentage increases by 50% among first-degree relatives affected by schizophrenia. <1> 1% of the general population suffers from this disorder and that percentage increases by 10% among first-degree relatives affected by schizophrenia. <2> 3% of the general population is affected by this disorder without being influenced by relatives who suffer from it. <3> 5% of the general population is affected by this disorder without being influenced by relatives who suffer from it. <4> Epidemiology varies between 5% and 10% according to cultures.
[A]:
psychology