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: Hyponatremia is part of the clinical picture of: 
 Options:  <0> Addison's disease <1> Central diabetes insipidus. <2> Nephrogenic insipid diabetes. <3> Mellitus diabetes. <4> Febrile states.

A: pharmacology
****
Q: Question: In relation to osteoarthritis, what statement is correct? 
 Options:  <0> There is a close correlation between the radiological findings and the symptomatology of the patients. <1> The symptomatic involvement of the hip is much more frequent than the involvement of the knee. <2> Obesity has not been shown to be a risk factor for its development. <3> The presence of a high sedimentation rate strongly supports the diagnosis. <4> Morning stiffness usually lasts less than 30 minutes.

A: medicine
****
Q: Question: The recommended antibiotic treatment for acute diarrhea caused by Clostridium difficile is: 
 Options:  <0> Administer vancomycin orally. <1> Administer vancomycin intravenously. <2> Administer ciprofloxacin orally. <3> Administer metronidazole orally. <4> Administer rifaximin orally.

A:
medicine
****