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: What is the maximum volume of air that a subject can breathe out after maximum inspiration ?:
Options: <1> Total lung capacity. <2> Expiratory reserve volume. <3> Inspiratory capacity <4> Vital capacity <5> Residual volume
4

Question: Which amino acid serves as a starting point for the synthesis of porphyrins (heme group)?
Options: <1> Valina <2> To the girl. <3> Asparagine <4> Lysine <5> Glycine
5

Question: In the elderly the total body water:
Options: <1> It is half that in the adult. <2> It decreases fundamentally at the expense of the intravascular compartment. <3> It decreases mainly due to the reduction of extracellular fluid. <4> It decreases greatly as a result of the loss of muscle mass. <5> It represents 30% of body weight.
4