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.

Q: Question: Regarding the stability of the drugs of a proteinaceous nature of biotechnological drugs, we can say: 
 Options:  <0> Which is strongly dependent on pH. <1> That is little affected by ionic strength. <2> That being generally so high does not usually give problems in the formulation. <3> That its maximum value occurs at the pH value of lower solubility. <4> That has a slight dependence on the temperature.

A: pharmacology
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Q: Question: Neuraminidase of the influenza virus: 
 Options:  <0> It is found inside the capsid and is released after entering the cell. <1> Its function is to facilitate the encapsulation of genetic material. <2> It is one of the spicules of the envelope. <3> It is not antigenic. <4> It facilitates the adsorption of the virus to the cell.

A: biology
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Q: Question: Which of the following muscles is an example of abductor? 
 Options:  <0> Pectoral major. <1> Trapeze. <2> Dorsal width. <3> Anterior rectus of the abdomen. <4> Deltoid.

A:
pharmacology
****