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'.

Q: Question: They incorporate sterols to their plasma membrane: 
 Options:  <1> Mycobacterium tuberculosis. <2> Micrococcus luteus. <3> Mycoplasma pneumoniae <4> Chlamydia trachomatis. <5> Rickettsia prowazekii.

A: 3
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Q: Question: A 24-year-old boy who, after 3 days of high-risk sexual contact, has numerous pustular, small, very pruritic lesions that progress to minute erosions affecting the entire glans and inner face of the prepuce. Indicate which is, among the following, the most probable diagnostic orientation: 
 Options:  <1> Genital candidiasis <2> Chancroid. <3> Secondary syphilis <4> Balanitis by Trichomonas. <5> Fungal infection by dermatophytes.

A: 1
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Q: Question: One of the well-established goals of the treatment of anorexia nervosa is: 
 Options:  <1> Substitute the food restriction for physical exercise. <2> Get family support and provide family advice. <3> Carry out intensive and brief interventions. <4> Enhance self-help strategies from the beginning of treatment. <5> Separate the patient from his family environment while the treatment lasts.

A:
2
****