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 patient diagnosed with chronic renal failure has tingling and paresthesias in the legs. This is due to: 
 Options:  <1> Vascular alterations produced by hyperlipidemia. <2> Peripheral neuropathy associated with uremia. <3> Hyperphosphatemia secondary to renal osteodystrophy. <4> Decreased peripheral perfusion as a result of anemia. <5> Hypercalcemia produced by decreased glomerular filtration.
[EX A]: 2

[EX Q]: Question: They send efferent projections from the cerebellar cortex the: 
 Options:  <1> Purkinje cells. <2> Climbing fibers <3> Granular cells. <4> Horizontal cells. <5> Mossy fibers.
[EX A]: 1

[EX Q]: Question: The presence of foreign bodies such as small buttons, sunflower seeds, etc., in the respiratory tract in young children is a relatively frequent accident. Point out the signs that appear when these objects are lodged in the lower respiratory tract: 
 Options:  <1> Episodes of cough, hoarseness and dyspnea. <2> Chronic cough, hypoventilation on auscultation, signs of infection. <3> Asphyxia, dyspnea, cyanosis, respiratory failure. <4> Fever, cough and dysphonia. <5> Tachypnea, increased respiratory effort.
[EX A]:
2