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: Acetylation of histones affects transcription: 
 Options:  <1> Blocking the incorporation of other components of the transcription machinery. <2> Preventing the remodeling of chromatin. <3> Facilitating the action of helicases. <4> Decreasing sensitivity to nuclear receptors. <5> Reducing the affinity of histones for DNA.

A: 5
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Q: Question: Placental lactogen has equivalent effects to: 
 Options:  <1> GH <2> Insulin. <3> Oxytocin <4> Estrogens <5> FSH.

A: 1
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Q: Question: Which of the following statements about the technique of emotive images is FALSE? 
 Options:  <1> It is a variant of systematic desensitization. <2> It was developed to treat phobias of small children or with difficulties to relax. <3> It is a multicomponent program for the treatment of childhood phobias. <4> It is usually induced an inhibitory response to anxiety other than relaxation. <5> It can be used for the treatment of medical fears.

A:
3
****