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: Protein kinase A (PKA):
Options: <1> It induces the synthesis of glycogen in response to an increase in glucagon in the blood. <2> It is a membrane protein that is activated in response to an increase in circulating GTP. <3> It is activated through the cAMP produced in response to an increase in adrenaline in the circulation. <4> It inhibits the lipolysis of triacylglycerides accumulated in adipose tissue, in response to an increase in intracellular cAMP. <5> It is a monomeric protein that inhibits the synthesis of ATP and muscle contraction.
[A]: 3

[Q]: Question: A 75-year-old man who reported decreased visual acuity in his right eye of two weeks of evolution. In the fundus examination, soft drusen and serous detachment at the level of the macula are seen. What treatment is currently the most indicated for this disease?
Options: <1> Focal photocoagulation with laser. <2> Photodynamic therapy. <3> Intravitreal injections of anti-angiogenic drugs. <4> Posterior vitrectomy. <5> Observation.
[A]: 3

[Q]: Question: What theory would explain our need to reduce or eliminate the psychological distress produced when we have to choose between two equally attractive alternatives?
Options: <1> Ingenuous Theory of Action. <2> Theory of Cognitive Dissonance. <3> Theory of Social Comparison <4> Theory of the Psychological Reactance. <5> Theory of the Cognitive Response.
[A]:
2