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'.

Q: 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.

A: 5
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Q: Question: The effect of anti-D gammaglobulin given to Rh negative women who have developed an Rh positive fetus is: 
 Options:  <1> Eliminate fetal red blood cells from maternal blood. <2> Destroy the antigens formed by the mother's immune system. <3> Avoid the formation of anti-Rh negative antibodies. <4> Induce the formation of maternal antibodies against fetal antigen. <5> Provide the woman with permanent active immunity.

A: 1
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Q: Question: The great diversity of immunoglobulins is mainly due to the recombination of: 
 Options:  <1> Epitopes. <2> Light chains <3> Heavy chains <4> Exons <5> Introns

A:
4
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