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'.

[EX Q]: Question: They can be part of the B lymphocyte receptor on the cell surface: 
 Options:  <1> IgM and IgG. <2> IgD and IgG. <3> IgD and IgM. <4> IgA and IgM. <5> IgG and IgE.
[EX A]: 3

[EX Q]: Question: The General Law of Health (Law 14/1986, of April 25) favored the psychiatric reform in Spain because: 
 Options:  <1> It gave a letter of nature to the model of the asylum. <2> Defined the biomedical model of assistance to the psychiatric patient. <3> Institutionalized the community structure formed by interdisciplinary teams. <4> Regulated the factors and elements of the quality of care. <5> He adopted a paternalistic model of protection for the mentally ill.
[EX A]: 3

[EX Q]: Question: Which of the following statements about focal nodular hyperplasia of the liver is true? 
 Options:  <1> It is considered that its appearance is related to the consumption of contraceptives. <2> The risk of breakage hemoperitoneum is similar to that of the adenoma. <3> There is a risk of tumor degeneration. <4> It behaves as a focal hypovascular lesion in computed tomography with contrast administration. <5> In the histological study of the lesion, in addition to hepatocytes, bile ducts and other liver cells can be observed.
[EX A]:
5