In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.

Question: The differential modification of RNA: 
 Options:  <1> It can result in multiple products from one gene. <2> It occurs thanks to the transcription bubble. <3> It is catalyzed by RNA polymerase I. <4> It is catalyzed by RNA polymerase II. <5> It is catalyzed by RNA polymerase III.
1

Question: Question linked to image nº6 29-year-old woman smoker. Consultation for nocturnal cough and dyspnea on exertion. Provides a chest CT performed at your health center (see image). What is the radiological diagnosis of suspicion? 
 Options:  <1> Mediastinal broadening. <2> Bibasal interstitial infiltrate. <3> Aortic dilatation <4> Atelectasia lobar. <5> Growth of right cavities.
1

Question: From the point of view of the metabolism of xenobiotics, what is the cause of the hepatotoxicity and the carcinogenic action of aflatoxins? 
 Options:  <1> Its hydrolysis releases aromatic amines. <2> Its metabolism of phase II generates a nitrenium cation, which is cytotoxic by reacting with DNA. <3> Its hepatic metabolism originates an epoxide, which forms a covalent bond with DNA guanine. <4> Your metabolism leads to a reactive species through a process of reductive bioactivation. <5> They facilitate the information of reactive oxygen species through a radical mechanism.

3