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: Beta-adrenergic receptor blocking drugs: 
 Options:  <0> They cause hypotension in individuals with normal blood pressure. <1> They increase the atrio-ventricular conduction velocity. <2> They cause negative inotropism. <3> They provoke a positive chronotropic effect. <4> They increase the secretion of renin.
[EX A]: pharmacology

[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: Question linked to image # 7 In the previous patient, which of the following attitudes would be less justified? 
 Options:  <0> Perform a chest CT scan. <1> Request serum levels of alpha-1-antitrypsin. <2> Ask for a 6 minute walk test. <3> Request skin allergy tests. <4> Start treatment with bronchodilators.
[EX A]:
medicine