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'.

[Q]: Question: A nurse who bases her professional practice on the Virginia Henderson conceptual model: 
 Options:  <1> It focuses on the fundamental needs of the person, and its interventions are aimed at preserving or restoring the independence of the person in meeting these needs. <2> He sees the care of the person as the establishment and maintenance of a nurse-client relationship that favors development. <3> He bases his actions on strategies to promote the adaptation of the person who is in constant interaction with a changing environment that influences their fundamental needs. <4> It considers in its care, as an authentic presence, the person who goes towards its actualization and who, through his health experiences, creates together to improve the quality of life, as the person and his family define it. <5> Organize your activity to meet the needs of care of the person, with the most appropriate system and nursing mode.
[A]: 1


[Q]: Question: Which of the following covalent bonds does not appear in proteins ?: 
 Options:  <1> Phosphodiester linkage. <2> Amide link. <3> O-glucosidic bond. <4> Disulfide bond. <5> Hydrogen bond.
[A]: 1


[Q]: Question: Which of the following statements is INCORRECT in relation to the alterations of the acid-base balance? 
 Options:  <1> The arterial pH is regulated by the Henderson-Hasselbach equation and is 7.35-7.45. <2> Hypercapnia (increase in PaCO2) is a consequence of the increase in CO2 production. <3> Metabolic acidosis occurs due to increased endogenous acid production, acid accumulation and / or loss of bicarbonates. <4> In patients with lactic acidosis it is common to find an anion gap or difference greater than 12 mmol / L. <5> The use of alkalizing solutions should be reserved for cases of severe acidemia with ph <7.20.
[A]:
2