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: Sumatriptan is a first generation anti-migrant triptan, structurally characterized by having a heterocycle: 
 Options:  <0> Imidazoic <1> Piperidinic <2> Indic. <3> Pirrólico. <4> Oxazolic.

Answer: pharmacology


Question: Question: Which of the following drugs obtained by means of molecular engineering techniques is not applicable in the treatment of rheumatoid arthritis ?: 
 Options:  <0> Infliximab. <1> Denosumab. <2> Adalimumab. <3> Anakinra <4> Etanercept.

Answer: pharmacology


Question: Question: Mitochondrial oxidative phosphorylation is regulated by: 
 Options:  <0> Mitochondrial steroid hormones. <1> Apoptosis <2> Thermogenin <3> The cytochrome c. <4> The cellular energy charge.

Answer:
chemistry