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: 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.
[A]: medicine


[Q]: Question: Hypokalemia is a physiological symptom that can typically occur: 
 Options:  <0> In sleep disorders. <1> In addictions. <2> In anorexia nervosa. <3> In bulimia but not in anorexia nervosa. <4> In disorders of attention deficit and disturbing behavior.
[A]: psychology


[Q]: Question: The period of 1 to 2 years after puberty, in which the growth of the skeleton is completed and the reproductive functions are established, is called: 
 Options:  <0> Postpubescence <1> Prepubescence <2> Adolescence. <3> Menarchy <4> Premenarquía.
[A]:
nursery