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: The micro RNA (miRNA): 
 Options:  <0> They are coding RNAs. <1> They inhibit transcription. <2> They inhibit the translation. <3> Activate transcription. <4> Activate the translation.
[A]: chemistry


[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: 18-year-old girl who came to the Hospital for edema in lower limbs of 1 week of evolution, highlighting in the laboratory a proteinuria in the nephrotic range with hypoproteinemia and hypoalbuminemia. In the anamnesis he refers to recurrent oral aphthae, arthritis of small joints of the hands, malar rash and photosensitivity. In the etiological study, the presence of ANA and antiDNA with hypocomplementemia stands out. The determination of ANCA is negative. A renal biopsy is performed in which we could find any of these types of glomerulonephritis, EXCEPT: 
 Options:  <0> Mesangial GNF. <1> Necrotizing GNF paucinmune. <2> Focal proliferative GNF. <3> Diffuse proliferative GNF. <4> Membranous GNF.
[A]:
medicine