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: Derived from blood monocytes: 
 Options:  <0> Protoplasmic astrocyte. <1> Fibrous astrocyte. <2> Oligodendrocyte <3> Microgliocyte <4> Satellite cell.
[EX A]: biology

[EX Q]: Question: After the intake increases the release of: 
 Options:  <0> Insulin. <1> ACTH. <2> Cortisol <3> Adrenaline from the adrenal medulla. <4> GH
[EX A]: biology

[EX Q]: Question: The atrial syncytium is separated from the ventricular by: 
 Options:  <0> The atrio-ventricular valves. <1> The semilunar valves. <2> The fibrous skeleton. <3> The interventricular septum. <4> The Beam of His.
[EX A]:
biology