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'.

[EX Q]: Question: A basic component of spectrophotometers is the monochromator. Its function is: 
 Options:  <1> Connect the different wavelengths from the source to achieve greater light power. <2> Transform the optical signal measured by the detector into an electrical signal. <3> Disperse the light separating the wavelengths that compose it and select a narrow band. <4> Amplify the analytical signal by improving the signal-to-noise ratio. <5> Decrease the power of the light beam to eliminate the background noise of the spectrophotometer.
[EX A]: 3

[EX Q]: Question: A patient with Diabetes Mellitus type 1, which starts with high fever should: 
 Options:  <1> Assess the evolution of fever and wait. <2> Do not eat <3> Assess the need to increase insulin. <4> Drink plenty of water. <5> Do not administer insulin.
[EX A]: 3

[EX Q]: Question: It is a Th1 cytokine: 
 Options:  <1> IL-1. <2> IL-2. <3> IL-3. <4> IL-4. <5> IL-5
[EX A]:
2