instruction:
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.
question:
Question: In the valuation of a strong base with a strong acid the pH of the equivalence point:
Options: <0> It depends on the strong base that is valued. <1> It is determined by the excess OH of the solution. <2> It depends on the strong acid used as a titrant. <3> It is determined by the dissociation of water. <4> It is determined by the excess H + of the solution.
answer:
chemistry

question:
Question: A 70-year-old woman with a history of hypertension and moderate heart failure attended the clinic due to a persistent and dry cough that started as a sensation of itching in the throat. In the analytical hyperkalemia is observed. What is the drug suspected of causing the clinical and analytical alteration of the patient?
Options: <0> Hydrochlorothiazide. <1> Bisoprolol. <2> Furosemide. <3> Enalapril <4> Hydralazine
answer:
medicine

question:
Question: How is the correction of an erroneous amino acid incorporated in the process of translation in the ribosome carried out?
Options: <0> There is no possibility of elimination of an amino acid in the synthesis of proteins. <1> Through the aminoacyl peptidase activity of the ribosome. <2> A dipeptidase removes the wrong amino acid, before proceeding with the synthesis. <3> Thanks to the fact that amino acids are energy-rich molecules. <4> There is a post-translational sequence review system.
answer:
pharmacology