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.
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Question: Question: Why do ovarian cycles not appear in nursing mothers for several months after birth ?: 
 Options:  <0> For stress and lack of sleep associated with breastfeeding. <1> Because there are low levels of FSH and LH. <2> Because there are high levels of oxytocin. <3> By saving iron that is derived from breastfeeding. <4> Because there are high levels of progesterone.

Answer: pharmacology


Question: Question: Point out the correct option: 
 Options:  <0> Long-acting bronchodilators should be used on demand. <1> Rapid-acting bronchodilators should be administered every 3-5 hours. <2> Bradycardia is an adverse effect that frequently appears after the administration of bronchodilators. <3> Glucocorticoids are used as a preventive treatment for seizures in asthmatic patients. <4> The answers 1 and 4 are correct.

Answer: nursery


Question: Question: Which of the following symptoms is NOT present in the Wallemberg syndrome, usually produced by ischemia of the dorsal-lateral region of the bulb? 
 Options:  <0> Diffuse <1> Dysphagia <2> Piramidalism <3> Ataxia. <4> Horner syndrome.

Answer:
medicine