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: The reaction of Wolff-Kishner is one:
Options: <1> Oxidation of carbonyls to give acids. <2> Reduction of carbonyls to alcohols. <3> Deoxygenation of carbonyls that takes place in an acid medium. <4> Deoxygenation of carbonyls that is carried out in an alkaline medium. <5> Carbonyl deoxygenation performed in neutral medium.
[EX A]: 4

[EX Q]: Question: Generates hydrogen peroxide in the phagosome:
Options: <1> Myeloperoxidase <2> Carbonic anhydrase. <3> NADPH oxidase. <4> Cytochrome C oxidase. <5> Superoxide dismutase.
[EX A]: 5

[EX Q]: Question: What is estimated with the measurement of skin folds?
Options: <1> The total body mass. <2> The lean mass. <3> The body fat. <4> The relationship between fat mass and muscle mass. <5> The skeletal muscles.
[EX A]:
3