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: Sulfasalazine is used for the treatment of ulcerative colitis. It is a prodrug of 5-aminosalicylic acid that is activated by a process of: 
 Options:  <1> Hydrolysis of an ester. <2> Hydrolysis of an amide. <3> Oxidative dealkylation. <4> Reducing rupture of the azoderivative. <5> Aromatic hydroxylation.
4

Question: What studies should be performed in an adenocarcinoma with prominent mucinous differentiation of ascending colon diagnosed in a 32-year-old man? 
 Options:  <1> Reorganization of the MYC gene. <2> Analysis of microsatellite instability. <3> Study of mutations of the RET gene. <4> Study of BRCA1-2 mutations. <5> Studies of TP53 mutations.
2

Question: Which of the following products of the degradation of triacylglycerols and subsequent oxidation can undergo gluconeogenesis? 
 Options:  <1> Propionyl CoA. <2> Acetyl CoA <3> All the ketone bodies. <4> Some amino acids <5> -Hydroxybutyrate.

1