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: A patient with peripheral occlusive arteriopathy who presents intermittent claudication will be recommended:
Options: <0> Absolute rest to reduce the demands of O2. <1> Elevate the legs to reduce pain. <2> Apply dry heat to the legs to promote vasodilation. <3> Walk on flat surfaces. <4> Use gradual compression stockings.
A:
nursery