instruction:
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.
question:
Question: The surgical treatment of COPD, or lung volume reduction surgery, is currently a therapeutic weapon more within the multidisciplinary treatment of it. Which of the following statements is correct?
Options: <0> The indication for surgical treatment will be in those patients who have moderate / severe congestive heart failure at the same time. <1> The presence of a pulmonary artery systolic pressure lower than 45 is an absolute contraindication. <2> COPD with emphysematous predominance in lower and middle lobes associated with pleural pathology is associated with better results. <3> The presence of a diffuse distribution of emphysema with FEV1> 20% and DLCO <20% are indicators of good prognosis. <4> Pre-surgical rehabilitation along with the distribution of emphysema in the upper lobes and the ability to perform postoperative physical exercise makes the results of the surgery beneficial.
answer:
medicine

question:
Question: The standard free energy of activation of a reaction is:
Options: <0> The difference in free energy between the basal state of the products and the substrates. <1> The difference of the enthalpy minus the entropy of the system. <2> The basal energy of the substrates in a catalyzed reaction. <3> The additional free energy that molecules must reach to reach the state of transition. <4> The energy released from a catalysed reaction.
answer:
chemistry

question:
Question: Anaphase A is characterized by the shortening of microtubules:
Options: <0> Kinetochore <1> Polar <2> Interpolar <3> Astral <4> Longitudinal
answer:
biology