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: From a microbial growth control point of view, it can be stated that: 
 Options:  <1> Pasteurization is a method of sterilization for liquid substances. <2> The overpressure is what kills the microorganisms when the autoclave is used. <3> Antiseptic agents are applied to living tissues. <4> The autoclave is the recommended method for sterilizing thermosensitive liquids. <5> The use of ultraviolet radiation is due to its high penetration power.

SOLUTION: 3

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: Of the following pairs of surface molecules, what is used by the virgin T lymphocytes to extravasate to the lymph node? 
 Options:  <1> CCR7 and L-selectin. <2> VCAM and L-selectin. <3> CCR7 and ICAM-1. <4> CCR9 and L-selectin. <5> CCR4 and VCAM-1.

SOLUTION:
1