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: They are involved in the lytic action of cytotoxic T lymphocytes: 
 Options:  <0> Granzimas <1> Opsonins. <2> Histamines <3> Integrins <4> Cathepsins.
biology

Question: Inhibin: 
 Options:  <0> Inhibits the secretion of FSH. <1> Blocks the secretion of estrogen. <2> Stimulates the secretion of GnRH. <3> The adenohypophysis produces it. <4> Stimulates the secretion of LH.
biology

Question: The extraction technique that is used for gas chromatographic determinations in which the analyte is desorbed or thermally desorbed is called: 
 Options:  <0> Liquid-liquid extraction. <1> Extraction in solid phase. <2> Microextraction in solid phase. <3> Subextraction in solid phase. <4> Crystallization.

pharmacology