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: 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.

SOLUTION: 2

PROBLEM: Question: After the reaction of some xenobiotics with glutathione, the final product is formed: 
 Options:  <1> Sulfanil urea. <2> Reduced glutathione <3> Oxidized glutathione. <4> Thiosulfate. <5> Mercapturic acid.

SOLUTION: 5

PROBLEM: Question: During the second half of the 20th century there are several theoretical nurses who develop different definitions about nursing. Which of the following characteristics can be considered common to all of them ?: 
 Options:  <1> It focuses on the patient. <2> It focuses on the disease. <3> It is a feminine profession. <4> It has meaning from an interprofessional perspective. <5> All can be considered common to all definitions.

SOLUTION:
1