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: Indicate, which of the compounds listed below, has a higher acidity: 
 Options:  <1> Acetic acid. <2> Hydrogen bromide <3> Sulfuric acid. <4> Carbonic acid. <5> Nitric acid.

Answer: 2


Question: Question: The denaturation of proteins: 
 Options:  <1> It is accompanied by the loss of their activity. <2> It supposes the rupture of peptide bonds. <3> It is always an irreversible process. <4> Alter its primary structure. <5> It is carried out by chaperone proteins.

Answer: 1


Question: Question: Which were the first authors who investigated the role that stressful life events could have on health ?: 
 Options:  <1> Mechanic <2> Matarazzo <3> Zola <4> Lazarus <5> Holmes and Rahe.

Answer:
5