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: Which of these equalities is INCORRECT?
Options: <1> Decil 1 = Centil 10. <2> Quartile 1 = Percentile 25. <3> Quartil 2 = Centil 20. <4> Decil 5 = Medium. <5> Quartile 3 = Centil 75.
[EX A]: 3

[EX Q]: Question: What percentage of the bicarbonate filtered in the glomerulus is reabsorbed under normal conditions along the nephron and in which segment is most of this reabsorption produced ?:
Options: <1> It is reabsorbed almost 100%, mostly in the collector duct. <2> Approximately 50% is reabsorbed, mostly in the proximal convoluted tubule. <3> Approximately 50% is reabsorbed, mostly in the distal convoluted tubule. <4> Less than 20% is reabsorbed, mostly in the collecting duct. <5> It is almost 100% reabsorbed, mostly in the proximal convoluted tubule.
[EX A]: 5

[EX Q]: Question: The mitochondrial complex -ketoglutarate dehydrogenase needs all the following compounds EXEPT:
Options: <1> CoA. <2> FAD. <3> NAD +. <4> NADP +. <5> Thiamine pyrophosphate.
[EX A]:
4