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: The main method for the preparation of ceto esters is the reaction known as:
Options: <0> Malonic synthesis <1> Acetoacetic synthesis. <2> Condensing of Claisen. <3> Perkin reaction. <4> Hofmann reaction.

Answer: pharmacology

Question: Question: Question linked to the image n16 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 microelectrode is characterized by:
Options: <0> Give answers in steady state. <1> Always need an inert electrolyte. <2> Always need a potentiostatic system. <3> Do not need a reference electrode. <4> Always need agitation.

Answer:
chemistry