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: Among the rules of administration of Parenteral Nutrition, which is true:
Options: <0> The route of administration of NP can be used to perform blood extractions. <1> The NP bag can be kept out of the refrigerator until it is administered. <2> The administration of other intravenous medications can be done through the same route as the NP. <3> The nutrient solution may be exposed to light. <4> The infusion will be done at a constant rate during the 24 hours.
[A]: nursery

[Q]: Question: The content validity of an evaluation instrument refers to:
Options: <0> The evidence obtained by factor analysis. <1> The concurrence of measures. <2> The adequacy in the establishment of inferences. <3> The relevance and representativeness of its items. <4> The significant relationships with other measures.
[A]: psychology

[Q]: Question: One of the main limitations of the behavioral treatment (exposure with prevention of response) of OCD is:
Options: <0> His recent appearance. <1> The reduced efficacy compared to cognitive and pharmacological treatments. <2> The lack of an explanatory theoretical model. <3> The difficulty of application in cases of motor rituals. <4> The existence of a relevant percentage of patients who reject treatment because of its aversive nature.
[A]:
psychology