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: What are the main functions of the managers or leaders of an organization ?: 
 Options:  <0> Control, supervision, information and communication. <1> Recruitment, selection, hiring and supervision. <2> Planning, organization, execution / direction and control. <3> Address, evaluation, authorization / denial and communication. <4> Hiring, training, accreditation and approval.
nursery

Question: 35-year-old woman on hormonal treatment for infertility. He went to the emergency department due to constitutional syndrome and paresthesias in the left side of the body. In blood tests, Hb 7.5 g / dL, reticulocytes 10% (0.52%), platelets 5,000 / uL, normal leukocytes, LDH 1,200 IU / L, direct negative Coombs test, undetectable haptoglobin are detected. Morphology of peripheral blood with abundant schistocytes. Normal coagulation tests. What is the diagnostic suspicion and the most appropriate treatment? 
 Options:  <0> Autoimmune hemolytic anemia. Start steroids. <1> Von Willebrand disease. Administration of desmopressin. <2> Thrombocytopenic purpura. Start steroids and platelet transfusion. <3> Evans syndrome. Start steroids. <4> Thrombotic thrombocytopenic purpura. Treatment with plasmapheresis.
medicine

Question: Tα CD4 + lymphocytes: 
 Options:  <0> They are functionally cooperative with B lymphocytes and other T lymphocytes. <1> They recognize native antigens in soluble form. <2> They recognize peptides in the MHC class I context. <3> They are less abundant than CD8 + in human blood. <4> They release perforins.

biology