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: What serum immunoglobulin will synthesize an activated B lymphocyte that has not been stimulated through CD40 ?: 
 Options:  <1> Any. <2> IgE <3> IgM <4> IgA <5> IgG
[EX A]: 3

[EX Q]: Question: In disorders related to substance use, what is physical dependence? 
 Options:  <1> In a physical process of short duration. <2> In an intense sense of dissatisfaction for not being able to consume the substances. <3> In the action of consuming drugs producing a state of intoxication with psychoactive effect. <4> In a series of physical and psychic changes that take place after the administration of a substance. <5> In a state of physical adaptation manifested by intense physical disturbances when the administration of the drug is interrupted.
[EX A]: 5

[EX Q]: Question: A 38-year-old man consulted for dyspnea and hemoptysis. Blood tests have creatinine 7 mg / dl, urea 250 mg / dl and anti-MBG (anti-glomerular basement membrane antibodies) positive high titer. A renal biopsy was performed, showing crescents in 75% of the glomeruli, and in the immunofluorescence a linear Ig deposition pattern appeared. Which of the following is the correct answer? 
 Options:  <1> It is an Ig A Nephropathy with acute renal failure. <2> The performance of plasmapheresis would be indicated. <3> It is a membranous glomerulonephritis. <4> Mycophenolate mofetil is the initial treatment of choice. <5> Glomerular involvement is caused by the presence of circulating immune complexes.
[EX A]:
2