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.

[EX Q]: Question: Inhibits the integrase of HIV the:
Options: <0> Efavirenz. <1> Tenofovir <2> Ritonavir <3> Emtricitabine. <4> Raltegravir
[EX A]: biology

[EX Q]: Question: A calcium figure of 11 mg / dL (normal less than 10.5 mg / dL) is found in a 30-year-old patient during a routine business examination. The PTH determination was 45 pg / ml (VN 10-55 pg / ml). The story is anodyne, except for the fact that the mother and the paternal grandfather were diagnosed with hyperparathyroidism and intervened, although they remained hypercalcemic. Which test is most useful to confirm the diagnosis?
Options: <0> 25-OH D. <1> 1,25-OH 2D. <2> Calcium / creatinine ratio in urine. <3> Tubular reabsorption of phosphates. <4> PTHrP.
[EX A]: medicine

[EX Q]: Question: In a liver transplant patient who is receiving immunosuppression with tacrolimus, which of the following antibiotics markedly increases the levels of the immunosuppressant and should therefore be avoided?
Options: <0> Amoxicillin clavulanic. <1> Ciprofloxacin <2> Erythromycin. <3> Cefuroxime <4> Norfloxacin.
[EX A]:
medicine