TASK DEFINITION: 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'.
PROBLEM: Question: People affected by chronic heart failure usually present the diagnosis of nursing Intolerance to activity related to: 
 Options:  <1> Fear, because it is a situation that poses a potential risk to life. <2> Imbalance between the supply and oxygen demand due to the decrease in myocardial contractility. <3> Excess fluid volume due to interruption of blood flow. <4> Poor knowledge about the disease and treatment with diuretics. <5> Infection due to decreased immune response.

SOLUTION: 2

PROBLEM: Question: A key reaction in the regulation of gene expression is acetylation / desatethylation in the histones of some of its residues: 
 Options:  <1> Serina <2> Threonine <3> Lysine <4> Tryptophan <5> To the girl.

SOLUTION: 3

PROBLEM: Question: One of the following compounds produces liver damage as the main toxic effect: 
 Options:  <1> Diethylene glycol. <2> Methanol <3> Acetone. <4> Benzene. <5> Carbon tetrachloride.

SOLUTION:
5