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: COMPLETE: in the Krebs cycle 4 oxidation reactions occur, in 3 of them the final acceptor electron is ___ and in the other is ___: 
 Options:  <0> FAD / FMN. <1> NAD + / FMN. <2> NADP + / FAD. <3> NAD + / FAD. <4> FAD / NAD +.
chemistry

Question: The bodily delusion idea is defined as: 
 Options:  <0> Delusional idea whose main content refers to the functioning of one's own body. <1> Delusional idea that the subject has lost or will lose all or almost all his physical possessions. <2> Ideal delirious in which the feelings, impulses, thoughts or acts are lived as if they were not their own and were imposed by some external force. <3> Delusional idea whose content implies an exaggerated assessment of personal importance, power, knowledge or identity. <4> Delusional idea about the non-existence of the self.
psychology

Question: Spatial discrimination of tactile stimuli: 
 Options:  <0> It increases with the size of the receiving fields. <1> It increases if the convergence of the afferent pathways is large. <2> Increase if there is lateral inhibition <3> It is independent of the density of innervation. <4> It depends only on the type of activated receiver.

biology