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: A patient with peripheral occlusive arteriopathy who presents intermittent claudication will be recommended:
Options: <1> Absolute rest to reduce the demands of O2. <2> Elevate the legs to reduce pain. <3> Apply dry heat to the legs to promote vasodilation. <4> Walk on flat surfaces. <5> Use gradual compression stockings.
4

Question: One of the following is NOT a guideline that should guide interventions in Autism Spectrum Disorders. Point out which:
Options: <1> Use personalized teaching programs based on an evolutionary framework. <2> Intervene in a group setting to favor the acquisition of social skills. <3> Intervene in highly structured and predictable contexts. <4> Use learning procedures without mistakes. <5> Favor motivation.
2

Question: In comparison with the primary humoral responses, the secondary ones:
Options: <1> They are based primarily on IgM. <2> They are faster and more durable. <3> They generate antibodies of low affinity for the antigen. <4> They present a low level of hypermutation. <5> They generate much lower amount of antibodies.
2