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: To measure the pulmonary wedge pressure (PEP) by means of a pulmonary artery catheter, it is advisable to take into account that: 
 Options:  <0> It is not necessary to inflate the ball. <1> The catheter should always be inserted with the balloon inflated, but at half the recommended volume. <2> The volume of balloon inflation is usually 1.5 ml of air. <3> The volume of inflation of the balloon is usually 3 ml of air. <4> You have to leave the balloon always inflated after making the determinations of PEP.
[EX A]: nursery

[EX Q]: Question: Which of the following is NOT considered a classification criterion for systemic lupus erythematosus? 
 Options:  <0> Cutaneous vasculitis <1> Photosensitivity <2> Hemolytic anemia. <3> Pericarditis <4> High concentration of antinuclear antibodies.
[EX A]: medicine

[EX Q]: Question: The pyruvate carboxylase activity depends on the positive allosteric effector: 
 Options:  <0> Succinate <1> AMP. <2> Isocitrate. <3> Citrate. <4> Acetyl CoA
[EX A]:
chemistry