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'.

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

Question: With regard to pyrogens and biotechnological medicines, it is possible to say:
Options: <1> They have no tendency to aggregate or form large units with high molecular weight. <2> Ion exchange chromatography procedures (using their positive charge) can reduce endotoxin levels. <3> Ion exchange chromatography procedures (using their negative charge) can reduce endotoxin levels. <4> Ion exchange chromatography procedures (regardless of their charge) can reduce endotoxin levels. <5> They are unstable under standard autoclaving conditions.
3

Question: The speed of the electron transport chain:
Options: <1> It depends on the concentration of oxygen. <2> Increases when the concentration of ATP increases. <3> It is determined by the need for ATP. <4> It is independent of ADP phosphorylation. <5> It increases when the concentration of NADH and FADH2 rises. 6
3