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: The organometallic compounds are derivatives: 
 Options:  <1> With a radical nature. <2> With covalent bonds between carbon atoms and metal atoms. <3> With electronic deficit and electrophilic character. <4> Practically not reactive. <5> With essentially reducing character.
[A]: 2


[Q]: Question: What is the model that states that health behaviors are determined by the perception of personal susceptibility to the disease and the perceived severity of the consequences of the disease? 
 Options:  <1> The reasoned action. <2> The one about health beliefs. <3> The one of the psychosomatic medicine. <4> The vulnerability to stress. <5> The placebo effect.
[A]: 2


[Q]: Question: In a determination of the activity of an enzyme, the depletion of the substrate: 
 Options:  <1> It is essential for most trials. <2> It may give falsely low results in sera with high enzymatic activity. <3> It occurs when the reagent is finished. <4> It occurs due to a defect in the spectrophotometer. <5> It can lead to falsely elevated results in sera with high enzymatic activity.
[A]:
2