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'.
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Question: Question: Ammonia usually used in the laboratory: 
 Options:  <1> It is a pure compound, liquid at environmental temperature and pressure. <2> It is a gaseous ammonia solution in water, very diluted, because ammonia is very little soluble in water. <3> It is a solution of gaseous ammonia in water, very concentrated, because ammonia is very soluble in water. <4> It is a gaseous ammonia solution in ethanol, because pure gaseous ammonia is insoluble in water. <5> It is a saturated solution of ammonium chloride in water.

Answer: 3


Question: Question: The following may occur in multimeric form associated with the J chain: 
 Options:  <1> IgA and IgG. <2> IgD and IgM, <3> IdE and IgD. <4> IgA and IgD. <5> IgA and IgM.

Answer: 5


Question: Question: What technique, based on the theory of social learning, is considered well established for the treatment of childhood fears? 
 Options:  <1> The practice reinforced. <2> The self-instructions of courage. <3> The modeling <4> Modeling with participation. <5> The live exhibition.

Answer:
4