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.

Q: Question: Glutathione fulfills everything that follows except:
Options: <0> It is a dipeptide. <1> Eliminates peroxides and free radicals. <2> Participates in the detoxification of compounds. <3> Acts as a cofactor of some enzymes. <4> Protects against oxidative stress.

A: chemistry
****
Q: Question: The papillary muscles:
Options: <0> They contract atrio-ventricular valves. <1> They prevent the reflux of blood to the atria. <2> They avoid the eversion of the semilunar valves. <3> They form the interventricular septum. <4> They are formed by visceral smooth muscle.

A: biology
****
Q: Question: HEPA filters are used for the sterilization of:
Options: <0> Organic liquids <1> Air. <2> Culture broth <3> Antibiotics <4> Sugar solutions

A:
biology
****