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: If a sample of size 100 has a standard deviation of 10, its typical error is: 
 Options:  <1> 10 <2> 100 <3> 0.1 <4> one. <5> There is not enough data to calculate it.
[A]: 4


[Q]: Question: The activation of arterial baroreceptors causes: 
 Options:  <1> Stimulation of the bulbar pressure center. <2> Activation of the parasympathetic. <3> Increased blood pressure. <4> Tachycardia. <5> Positive inotropic effect.
[A]: 2


[Q]: Question: What electrocardiographic alteration is interpreted as a subendocardial lesion? 
 Options:  <1> The reversal of the T wave. <2> The supra-leveling of the ST segment. <3> The tipped T wave. <4> The presence of Q wave <5> The rectilinear depression of the ST segment.
[A]:
5