TASK DEFINITION: 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.
PROBLEM: Question: When administering oxygen therapy to a patient admitted to the emergency room due to exacerbated COPD, you should take into account that: 
 Options:  <0> The flow of oxygen must be high, since respiratory failure is accompanied by hypoxia. <1> The concentration of oxygen is conditioned by the patient's clinical situation. <2> The concentration of oxygen must be equal to the atmospheric concentration, since the patient presents hypercapnia. <3> The flow should be low, since hypoxia is the only stimulus to breathe. <4> The flow must be adjusted to achieve a PO2 greater than 90 mmHg.

SOLUTION: nursery

PROBLEM: Question: Enterobacteriaceae are bacteria: 
 Options:  <0> Able to breathe and ferment. <1> Cytochrome C oxidase positive. <2> Mobiles with polar flagellation. <3> Lacking lipopolysaccharide. <4> Always associated with the intestine of mammals.

SOLUTION: biology

PROBLEM: Question: According to Berman et al., From the sanitary point of view, to the basic social group constituted by persons of feminine or masculine gender, young or adult, united by legal, friendship, related or not genetically and that others consider close friends, he calls you: 
 Options:  <0> Collective. <1> Informal system <2> Control group. <3> Citizenship. <4> Family.

SOLUTION:
nursery