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: In a potentiometry at zero intensity the electrode:
Options: <0> Indicator always measures balance potentials. <1> Indicator measures the half-wave potential. <2> Indicator can measure a mixed potential. <3> Reference is always a calomel platinum electrode. <4> Indicator is always a platinum electrode.
chemistry

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.
medicine

Question: A 24-year-old student who, after three weeks of a cold in the upper respiratory tract, visited the doctor for a sensation of numbness in his hands and loss of limb strength in recent days. The picture was preceded by low back pain. In the exploration, it stands out, decrease of asymmetric muscular force in upper and lower extremities, loss of osteotendinous reflexes. In this patient the most likely diagnosis is:
Options: <0> Myasthenia gravis. <1> First outbreak of multiple sclerosis. <2> Acute inflammatory demyelinating polyradiculopathy. <3> Dermatomyositis <4> Amyotrophic Lateral Sclerosis.
medicine