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: 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.
2

Question: The main indication for using 4 drugs in the initial treatment of tuberculosis is:
Options: <1> Affectation of the central nervous system. <2> High prevalence of primary resistance to isoniazid. <3> Cavitated and extensive pulmonary tuberculosis with large bacillary load. <4> Disseminated tuberculosis associated with HIV infection. <5> Extrapulmonary tuberculosis in immunodepressed patients of any origin.
2

Question: The central feature of phobic disorders is:
Options: <1> Fear but not avoidance of the situation. <2> The avoidance of the situation, but not the fear of it. <3> That fear and avoidance are associated with more or less specific stimuli. <4> That fear is not associated with specific stimuli. <5> That the adult who suffers from this disorder is not aware that his fear is excessive and irrational.
3