TASK DEFINITION: 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'.
PROBLEM: Question: Which of the following gases is the most abundant in the alveolar air? 
 Options:  <1> Oxygen. <2> Carbon dioxide <3> Water vapor. <4> Carbon monoxide. <5> Nitrogen.

SOLUTION: 5

PROBLEM: Question: Which of the following alternatives is CORRECT in relation to the treatment of sleepwalking? 
 Options:  <1> Early intervention is recommended since it is a disorder that usually becomes chronic. <2> It does not require any intervention since the safety of the child is never in danger. <3> The technique of programmed awakenings has been used successfully. <4> The child is usually asked to draw the dreams he has during the episodes to reduce the anguish. <5> Do not try to reassure the child and take him back to bed because of the danger of waking up in that state.

SOLUTION: 3

PROBLEM: Question: The diagnostic sensitivity of an analytical magnitude for a certain disease is: 
 Options:  <1> 1 / specificity. <2> It depends on the prevalence of the disease. <3> It is the number of patients that give positive results among all possible individuals. <4> It is the quotient between the number of patients who give positive results for this magnitude and the total number of patients considered. <5> It is deducted directly from the minimum detectable value of this magnitude.

SOLUTION:
4