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: The most appropriate microscopy to identify Treponema pallidum in exudates from syphilitic lesions is:
Options: <0> Clear field without staining. <1> Clear field with simple staining. <2> Dark field <3> Phase contrast. <4> Polarized light
answer:
biology

question:
Question: The molar absorption coefficient of a compound:
Options: <0> It has dimensions of M-1 cm-1, it is constant at a specific wavelength and in a particular solvent. <1> Its dimensions are mol L-1 cm-2 and it is constant at a given wavelength and in a given solvent. <2> It has dimensions L mol-1 cm-3 and is constant throughout the spectral region and is not influenced by the solvent. <3> Its dimensions are Photons per mole and it varies with the wavelength and with the solvent. <4> It is dimensionless, constant and does not vary with the wavelength or with the solvent.
answer:
chemistry

question:
Question: A 36-year-old patient who came to the emergency room for pain and swelling in the epiphyseal region of the right tibia. The radiographic image is lytic, eccentric and insufflates the cortex. In which tumor lesion will one have to think as more probable?
Options: <0> Osteosarcoma. <1> Tumor of giant cells. <2> Encondroma. <3> Osteoid osteoid <4> Chondrosarcoma.
answer:
medicine