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: Point out which of the following guidelines belongs to the Stress Reduction Program of Kabat-Zinn (University of Massachusetts): 
 Options:  <1> Acceptance and commitment therapy. <2> Behavioral activation therapy. <3> Psychoeducation and mindfulness. <4> Dialectical therapy. <5> Therapy of common factors.
3

Question: What would be the pathophysiological mechanism that would explain the jaundice that can be observed in choledocholithiasis? 
 Options:  <1> Increase in bilirubin production. <2> Defect in the uptake of bilirubin by the hepatocyte. <3> Disorder in bilirubin conjugation. <4> Defect in the elimination of bilirubin by the hepatocyte. <5> Disorder in the conduction of bilirubin to the duodenum.
5

Question: Contact dermatitis is mediated by: 
 Options:  <1> IgE <2> IgG <3> Activated eosinophils. <4> Activated NK lymphocytes. <5> Activated Th1 lymphocytes.

5