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: The ketone bodies: 
 Options:  <0> They are used by the liver to synthesize fatty acids. <1> They only form in conditions of good nutrition. <2> Its formation is especially active in skeletal muscle. <3> It is formed from acetyl-CoA. <4> They never give acetone.
[EX A]: biology

[EX Q]: Question: Iron deficiency anemia is treated with oral or parenteral preparations: 
 Options:  <0> Only ferrous salts should be used orally. <1> Only ferric salts should be used orally. <2> Orally, the most appropriate form is the iron-dextran complex. <3> Orally, the treatment should last a maximum of fifteen days. <4> Only ferrous salts should be used parenterally.
[EX A]: pharmacology

[EX Q]: Question: Among the strategies of Emotional Regulation, which of the following would be an acceptance strategy within cognitive-behavioral therapies? 
 Options:  <0> Distraction. <1> Behavioral Activation <2> Exposure with Prevention of Response. <3> Emotional Expression Adjusted. <4> Emotional Inhibition.
[EX A]:
psychology