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: 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

Answer: 3

Question: Question: The negative symptomatology of schizophrenia seems to be caused by:
Options: <1> The excessive activity of some dopaminergic neural circuits. <2> The excessive activity of the GABAergic neurons. <3> The existence of brain damage. <4> Have a gene for schizophrenia that causes negative symptoms. <5> Insufficient activity of the serotonergic neurons of the frontal lobe.

Answer: 3

Question: Question: Indicate which of the following compounds is a fibrous protein:
Options: <1> Chymotrypsin <2> Cytochrome c. <3> Alpha-keratin <4> Lysozyme <5> Ribonuclease.

Answer:
3