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: Reactions in which there are no intermediates are described as: 
 Options:  <0> Concerted. <1> Polar <2> Radicals <3> Homolitic <4> Heterolithic

A: chemistry
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Q: Question: E. H. is a 64-year-old lady diagnosed with hypertension and assisted by her nurse in the corresponding program. The activities carried out by the nurse are aimed at regulating the exercise and development of the self-care agency of E. H. The lady performs her self-care and regulates the exercise and development of her self-care agency. This organization of care is described by Orem as a system: 
 Options:  <0> Partially compensatory. <1> Support-education. <2> Completely compensatory. <3> Complementation <4> Of shared regulation and development.

A: nursery
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Q: Question: A 37-year-old woman with an extensive ulcerative colitis has a severe outbreak where treatment with prednisone is started at a dose of 1 mg / kg. After a week of treatment, the patient does not show improvement. What is the next therapeutic measure to perform? 
 Options:  <0> Subtotal colectomy of urgency and in a second time proctectomy and ileoanal reservoir. <1> Associate an immunosuppressant such as azathioprine. <2> Associate mesalazine in doses of 4 grams per day oral and rectal triamcinolone 1 application every 12 hours <3> Endovenous cyclosporine 2 mg / Kg. <4> Treatment with etanercept (an anti-TNFa antibody) should be assessed.

A:
medicine
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