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.
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Question: Question: Why is the presence of lentigo in older people? 
 Options:  <0> Cell dehydration <1> Small hemorrhages due to capillary fragility. <2> Hyperplasia of intraepidermal melanocytes. <3> Deficiency of collagen and elastin. <4> Lipofuscin deposits.

Answer: nursery


Question: Question: The conception of person based on the idea that he is a being inseparably linked to his culture is developed in the care model of: 
 Options:  <0> M. E. Rogers. <1> N. J. Pender. <2> J. Watson. <3> M. Leininger. <4> M. K. Chisman and J. Riehl-Sisca.

Answer: nursery


Question: Question: For bi-component drugs it is true that: 
 Options:  <0> The apparent volume of the distribution decreases with time from a maximum value to a value that becomes constant. <1> The apparent volume of distribution as a function of the area is greater than the apparent volume of distribution in the steady state of equilibrium. <2> The apparent volume of distribution is constant over time. <3> The so-called initial distribution volume is greater than the apparent volume of distribution in phase . <4> The apparent volume of distribution calculated by extrapolation is less than the apparent volume of distribution in the steady state equilibrium.

Answer:
pharmacology