instruction:
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:
Question: An essential characteristic of plasmids is:
Options: <0> Be able to integrate into the genome of the host cell. <1> Direct the process of bacterial conjugation. <2> Carry genes for antibiotic resistance. <3> Replicate autonomously. <4> Being circular DNA molecules.
answer:
biology

question:
Question: A 24-year-old boy who, after 3 days of high-risk sexual contact, has numerous pustular, small, very pruritic lesions that progress to minute erosions affecting the entire glans and inner face of the prepuce. Indicate which is, among the following, the most probable diagnostic orientation:
Options: <0> Genital candidiasis <1> Chancroid. <2> Secondary syphilis <3> Balanitis by Trichomonas. <4> Fungal infection by dermatophytes.
answer:
medicine

question:
Question: What disease would we suspect in a young patient who reported a frequent history of dysphagia to solids and liquids with impaired food repeated, without clinical symptoms of pyrosis and in which multiple oral esophageal rings with normal mucosa (trachealized appearance) are observed in oral endoscopy?
Options: <0> Herpetic esophagitis. <1> Eosinophilic esophagitis. <2> Candidiasic esophagitis. <3> Cytomegalovirus esophagitis. <4> Adenocarcinoma of the esophagus.
answer:
medicine