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: It has been 24 hours since D. J., 28, has undergone an abdominal surgery. When he enters the room he smiles and jokes with the visitors. The blood pressure is 130/74 mmHg, the heart rate is 80, and the respiratory rate is 18. He tells him that he has pain and on a numerical scale of pain intensity from 0 (without pain) to 10 (the worst possible pain), DJ scores his pain in 8. Based on these data, point out the number you would choose to represent the assessment of this man's pain: 
 Options:  <0> 9. <1> 8 <2> 7 <3> 6 <4> 5.
[A]: nursery


[Q]: Question: Point out the correct statement: 
 Options:  <0> At low pO2, myoglobin is more saturated with O2 than hemoglobin. <1> CO2 increases the affinity of hemoglobin for O2. <2> 2,3 Bisphosphoglycerate is strongly bound in oxygenated hemoglobin. <3> The tissues that produce lactate release more O 2. <4> At high pO2, hemoglobin has 2 subunits.
[A]: chemistry


[Q]: Question: The central feature of phobic disorders is: 
 Options:  <0> Fear but not avoidance of the situation. <1> The avoidance of the situation, but not the fear of it. <2> That fear and avoidance are associated with more or less specific stimuli. <3> That fear is not associated with specific stimuli. <4> That the adult who suffers from this disorder is not aware that his fear is excessive and irrational.
[A]:
psychology