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 72-year-old woman with type 2 diabetes and chronic renal failure in stage 5. If a pulmonary thromboembolism is suspected, indicate which diagnostic test would be contraindicated: 
 Options:  <0> Transthoracic echocardiogram. <1> Pulmonary scintigraphy <2> Pulmonary angioCT. <3> Electrocardiogram. <4> Chest x-ray.
[A]: medicine


[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.
[A]: pharmacology


[Q]: Question: Increase the activity of Na + / K + -ATPase: 
 Options:  <0> Insulin. <1> Aldosterone <2> ACTH. <3> Atrial natriuretic peptide. <4> ADH.
[A]:
biology