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'.

[Q]: Question: The technique that stimulates the cerebral cortex by applying electrical pulses through an electromagnetic coil, which is used to treat some disorders such as depression, is called: 
 Options:  <1> Transcranial magnetic stimulation. <2> Intracerebral photo stimulation. <3> Functional magnetic resonance or RMf. <4> Evoked potentials of stimulation. <5> Magnetoencephalography
[A]: 1


[Q]: Question: Point out the correct answer in relation to the monitoring of plasma drug concentrations: 
 Options:  <1> Allergy reactions are related to the dose administered. <2> The extraction of the blood sample must be done once the balance of drug distribution in the organism has been reached. <3> The information provided by the analytical determination of plasma concentration is sufficient to perform the dosage individualization. <4> Only the immunoassay methods are valid for carrying out the analytical determination of the blood samples. <5> It must be done for all drugs that are administered intravenously.
[A]: 2


[Q]: Question: What feature or dimension of attention is most relevant when the child looks for a red paint in his school case full of other colors? 
 Options:  <1> Orientation. <2> Flexibility. <3> Concentration. <4> Alert. <5> Persistence.
[A]:
2