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: When administering oxygen therapy to a patient admitted to the emergency room due to exacerbated COPD, you should take into account that: 
 Options:  <0> The flow of oxygen must be high, since respiratory failure is accompanied by hypoxia. <1> The concentration of oxygen is conditioned by the patient's clinical situation. <2> The concentration of oxygen must be equal to the atmospheric concentration, since the patient presents hypercapnia. <3> The flow should be low, since hypoxia is the only stimulus to breathe. <4> The flow must be adjusted to achieve a PO2 greater than 90 mmHg.
answer:
nursery


question:
Question: Question linked to the image nº16 Patient of 48 years smoker. Consultation due to symmetrical and bilateral reddening in both feet accompanied by burning pain (image). The general examination, the neurological examination and the peripheral pulses are normal. The analytical highlights: Hb 16.8 g / dl, leukocytes 12,400 / mm3, platelets 720,000 / mm3. Biochemistry: Glucose 87 mg / dl, Creatinine 0.7 mg / dl, Protein 7.5 g / dl, Calcium 9.4 mg / dl, GOT 40 U / L, GPT 35 U / L, GGT 64 U / L, FA 124 U / L, LDH 187 U / L, VSG 24 mm / h. Hemostasis and normal immunoglobulins. Serology against hepatitis B and C negative virus. What is the most likely diagnosis? 
 Options:  <0> Livedo reticularis. <1> Erythromelalgia. <2> Buerger's disease <3> Systemic mastocytosis. <4> Mixed cryoglobulinemia.
answer:
medicine


question:
Question: A 31-year-old woman with a history of nephritic colic 4 years ago consulted in the emergency department for left lumbar pain of colic characteristics for 3 days with the appearance of fever during the last 12 hours. The presence of 15,000 leukocytes / uL, 85% neutrophils, creatinine 0.8 mg / dL and PCR 20 mg / dL stand out in the blood analysis. The urine sediment reports countless leukocytes / field. Which of the following statements is true? 
 Options:  <0> Since it is an uncomplicated urinary tract infection, we must treat it with oral antibiotherapy and evolutionary control. <1> It is advisable to perform an urgent imaging study to rule out obstruction of the upper urinary tract that requires drainage. <2> This patient has a complicated urinary tract infection and it is most likely that the causative agent is S. aureus. <3> It is best to start treatment with fluconazole and control it in the outpatient clinic in 1 week. <4> The patient has acute pyelonephritis and the optimal treatment is the combination of bladder catheterization with intravenous antibiotic therapy.
answer:

medicine