instruction:
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:
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.
answer:
biology


question:
Question: In a patient with Renal Insufficiency, oral drugs must be administered: 
 Options:  <0> With natural fruit juices. <1> With the lowest volume of liquid possible. <2> With the same volume as any other patient. <3> With the largest volume of liquid possible. <4> Always during hemodialysis.
answer:
nursery


question:
Question: The non-selective medium commonly used for the growth of gonococcus (Neisseria gonorrhoeae) is: 
 Options:  <0> Chocolate agar. <1> Agar blood. <2> Mannitol saline agar. <3> Nutritious agar <4> MacConkey agar.
answer:

biology