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.

[Q]: Question: A 45-year-old woman came to the consultation sent from Surgery with the diagnosis of a neuroendocrine tumor diagnosed after partial pancreatectomy due to a 2-cm tumor in the tail of the pancreas. The tumor had been detected by chance on an abdominal CT scan requested to complete the study of a simple liver cyst. Interrogating the patient, the background is irregular rules, being in amenorrhea for 6 months, and repetitive colic of recurrence from the age of 20 for those who have required lithotripsy on several occasions. In addition, he has a family history of renoureteral colic. What is your diagnostic suspicion? 
 Options:  <0> A multiple endocrine neoplasia type 1 or Wermer syndrome. <1> A multiple endocrine neoplasia type 2 A or Sipple syndrome. <2> A multiple endocrine neoplasia type 2B. <3> Somatostatinoma. <4> A neuroendocrine tumor producing PTH.
[A]: medicine


[Q]: Question: The binding of an allosteric activator to an allosteric enzyme typically results in: 
 Options:  <0> Decrease the Vmax. <1> The transition to a less soluble state. <2> Decrease the Km by its substrate. <3> The transition to hyperbolic kinetics. <4> The dissociation of its subunits.
[A]: chemistry


[Q]: Question: In ion exchange chromatography, the carboxylic acid functional group is used as: 
 Options:  <0> As a strong anion exchanger in ion exchange resins. <1> As a strong cation exchanger in ion exchange resins. <2> As a weak anion exchanger in ion exchange resins. <3> As a weak cation exchanger in ion exchange resins. <4> It is never used in ion exchange.
[A]:
pharmacology