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'.
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Question: Question: The set of means and systems that facilitate the contact of the infectious agent with the recipient subject corresponds to:
Options: <1> Source of infection. <2> Habitat. <3> Transmission mechanism. <4> Biotope <5> Reservoir.

Answer: 3

Question: Question: If you want to study the efficacy and safety of a new cytostatic for a specific oncological process and, at the same time, contrast the efficacy that adds a new monoclonal antibody to this treatment, what would be the most appropriate study design?
Options: <1> Parallel test. <2> Cross test <3> Factorial test. <4> Sequential test. <5> Test of n = 1.

Answer: 3

Question: Question: Which of the following characteristics is NOT typical of the contents of obsessive ideas?
Options: <1> Sexual thoughts <2> Phonemes <3> Need for symmetry. <4> Pathological doubt. <5> Pollution.

Answer:
2