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: The water used in the preparation of medicated syrups must: 
 Options:  <1> Be sterile <2> Be purified or distilled water. <3> It is highly recommended that it contain dissolved carbon dioxide. <4> Contain dissolved calcium ions. <5> Contain an adequate proportion of magnesium ions.
[EX A]: 2

[EX Q]: Question: The dipicolinic acid is: 
 Options:  <1> One of the first antibiotics of the quinolones group. <2> A compound characteristic of bacterial endospores. <3> A reserve compound present in the metachromatic corpuscles. <4> An acid polysaccharide present in the wall of Gram positive. <5> One of the amino acids of Gram negative peptidoglycan.
[EX A]: 2

[EX Q]: Question: What is the most commonly used term to designate the most intense degree of distraction and the complete absence of attention? 
 Options:  <1> Attentional perplexity. <2> Attention indifference. <3> Hyperprosexia. <4> Mental absence <5> Aprosexia.
[EX A]:
5