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: The antiulcer drug called omeprazole has in its structure: 
 Options:  <0> A benzimidazole heterocycle. <1> A thiol group. <2> A pyrazole heterocycle. <3> A dimethylamino group. <4> A thiozolic heterocycle.

Answer: pharmacology


Question: Question: A 36-year-old patient who came to the emergency room for pain and swelling in the epiphyseal region of the right tibia. The radiographic image is lytic, eccentric and insufflates the cortex. In which tumor lesion will one have to think as more probable? 
 Options:  <0> Osteosarcoma. <1> Tumor of giant cells. <2> Encondroma. <3> Osteoid osteoid <4> Chondrosarcoma.

Answer: medicine


Question: Question: In what disorder is there excessive concern for any mild or nonexistent physical anomaly ?: 
 Options:  <0> Somatization disorder <1> Anorexia nervosa. <2> Anxiety disorder <3> The conversion disorder. <4> Body dysmorphic disorder.

Answer:
psychology