In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.

[EX Q]: Question: Transpeptidation is the step in the biosynthesis of peptidoglycan in which: 
 Options:  <0> The union of N-acetylmuramic acid with N-acetyl glucosamine occurs inside the bacterial cell. <1> The exit of the precursors from the cytoplasm to the outside takes place. <2> The binding of the precursor to the peptidoglycan occurs outside, by glycosidic bonds. <3> The binding, by means of interpeptide bridges, between peptidoglycan chains. <4> The autolisinas act forming pores in its structure.
[EX A]: pharmacology

[EX Q]: Question: The anatomical dead space: 
 Options:  <0> It is always greater than the physiological one. <1> Secret surfactants. <2> Includes medium-sized bronchioles. <3> It allows gaseous exchange. <4> Includes the volume of inspiratory reserve.
[EX A]: biology

[EX Q]: Question: Mr. X is a 67-year-old patient who has been prescribed atorvastatin orally due to high cholesterol levels that have not improved after dietary measures. Among the clinical applications of the HMG-CoA reductase inhibitors we have: 
 Options:  <0> They are the drugs of choice in the case of pregnant women. <1> They are drugs of first choice in the treatment of hypertriglyceridemia. <2> They are not effective in the secondary prevention of myocardial infarction. <3> In severe dyslipidemias, in the case of heterozygous familial hypercholesterolemia, they should be combined with ezetimibe. <4> They are not effective in the secondary prevention of stroke.
[EX A]:
pharmacology