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: One of the following types of transport through membranes does NOT exist: 
 Options:  <0> Ion transport facilitated by ionophore (against electrochemical gradient). <1> Facilitated diffusion (in favor of electrochemical gradient) <2> Primary active transport (against electrochemical gradient). <3> Ionic channel (in favor of electrochemical gradient). <4> Simple diffusion (in favor of concentration gradient).

SOLUTION: pharmacology

PROBLEM: Question: The immersion oil used for microscopic observation: 
 Options:  <0> Protects the sample from the oxidizing effect of air. <1> Lubricate the objective lens. <2> Reduces refraction and increases resolution. <3> It acts as a lens that increases magnification. <4> Avoid dehydration of the preparation.

SOLUTION: biology

PROBLEM: Question: Psychotherapeutic treatment in psychotic disorders: 
 Options:  <0> It is impossible because of the serious deterioration of the reality suffered by patients with this type of disease. <1> It is contraindicated. <2> It improves the course of the disease, prevents relapses and improves coping skills and social and work functioning. <3> It does not take into account family intervention, since this type of disorder is often associated with pathological families. <4> It refers to the establishment of training programs in social skills.

SOLUTION:
nursery