instruction:
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'.
question:
Question: What does the intersessional sampling used in observation techniques refer to: 
 Options:  <1> To the registration of relevant information between sessions. <2> To the periodicity, number and criteria of start-end of the sessions. <3> To the successive rounds of observation of the subjects to observe. <4> To the temporary selection and its interval or partial modality. <5> To the record of focal events that occur between sessions.
answer:
2


question:
Question: A study is being conducted in a health center to determine the effect of exposure to tobacco smoke in children of smoking parents. For this purpose, a group of healthy children between 3 and 7 years old whose parents are smokers is selected and at the same time an equal number of children whose parents are non-smokers are selected in the same center. A year later, the appearance of respiratory diseases during that year will be investigated in both groups. Indicate the correct answer: 
 Options:  <1> The study design is a prospective cohort. <2> The study design is cases and controls. <3> The study design follows a qualitative methodology. <4> The study is experimental. <5> The type of design used is efficient to study rare diseases.
answer:
1


question:
Question: The soluble globular proteins are characterized by: 
 Options:  <1> Present aromatic and aliphatic amino acids on its surface. <2> Present an inner apolar core. <3> Being partially deployed giving rise to structures that are not very compact. <4> Present in its interior acidic and basic amino acids. <5> A high degree of hydration inside.
answer:

2