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: Of the antiemetic drugs reviewed, in which of them their pharmacological activity is NOT related to dopaminergic receptors ?: 
 Options:  <1> Granisetron. <2> Cleboprida. <3> Droperidol <4> Tietilperazine. <5> Domperidone

SOLUTION: 1

PROBLEM: Question: A calomel electrode: 
 Options:  <1> It is a mercury indicator electrode. <2> It is a reference electrode that contains nitrate ions. <3> It is an indicator electrode for nitrate ions. <4> It is a reference electrode that uses silver and silver chloride. <5> It is a reference electrode that contains a saturated solution of mercury chloride (I).

SOLUTION:
5