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: Indicate which of the following safety precautions used in the care of the patient receiving brachytherapy is NOT true: 
 Options:  <0> Single room. <1> Prohibition of visits of children. <2> Radiation meters for health personnel. <3> Reverse isolation. <4> Limitation of the time of the visits.

Answer: nursery


Question: Question: As inclusion of plasma cells, the presence of: 
 Options:  <0> Pelger-Huët anomaly. <1> Alder-Reilly anomaly. <2> Canes de Auer. <3> Howell's bodies. <4> Russell's bodies.

Answer: pharmacology


Question: Question: The solubility of calcium fluoride in a solution of pH <3 is higher than in pure water due to: 
 Options:  <0> The absence of reactions of formation of hydroxylated calcium complexes at these pH values. <1> The lower hydration capacity of the precipitate particles at these pH values. <2> The absence of reactions of formation of soluble complexes of calcium and fluoride at these pH values. <3> The complex formation reactions of the Ca2 + ion with the hydronium. <4> The protonation reaction of the fluoride anion.

Answer:
chemistry