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: Proton pump inhibitor drugs are useful in the treatment of: 
 Options:  <0> Constipation. <1> Corneal ulcer. <2> Peptic ulcer. <3> Traveler's diarrhea. <4> Crohn's disease.
[A]: nursery


[Q]: Question: As inclusion of plasma cells, the presence of: 
 Options:  <0> Pelger-Huët anomaly. <1> Alder-Reilly anomaly. <2> Canes de Auer. <3> Howell's bodies. <4> Russell's bodies.
[A]: pharmacology


[Q]: Question: A patient with an internal arteriovenous fistula in the left arm will recommend: 
 Options:  <0> Put on a compressive bandage for protection. <1> Perform elbow flexion and extension exercises to activate their maturation. <2> Feel the fistula daily to check that it works. <3> Clean the surrounding skin with an antiseptic every day. <4> Lift weight with that hand to achieve vascular remodeling.
[A]:
nursery