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.

[EX Q]: Question: Which of the following traumatic injuries requires, in order to avoid local complications, an earlier treatment? 
 Options:  <0> Posterior traumatic luxation of the hip. <1> Displaced fracture of the femoral neck of the elderly. <2> Trochanteric fracture of the elderly. <3> Cup fracture. <4> Subtrochanteric fracture.
[EX A]: medicine

[EX Q]: Question: Orally administered proton pump inhibitor drugs: 
 Options:  <0> Neutralize hydrochloric acid from gastric secretion. <1> They dye the stools black. <2> They block the histaminergic receptor. <3> They block the gastrin receptor. <4> They require enteric cover.
[EX A]: medicine

[EX Q]: Question: The Latin square designs are a type of: 
 Options:  <0> Random designs. <1> Block designs. <2> Intra-subject designs. <3> Mixed designs <4> Unifactorial designs.
[EX A]:
psychology