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 blood flow velocity is maximum in: 
 Options:  <0> Great arteries <1> Distribution arteries. <2> Arterioles <3> Capillaries <4> Venules
answer:
biology


question:
Question: Question linked to image # 1 In the previous patient, which of the following treatments is indicated? 
 Options:  <0> Biliary drainage through retrograde endoscopic and systemic chemotherapy. <1> Duodenopancretectomy cephalic with vascular resection. <2> Hepatic embolization with charged spheres of chemotherapy. <3> Bilirubic-hepatic bile drainage and systemic chemotherapy. <4> Treatment with corticoids.
answer:
medicine


question:
Question: In the process of maturation of the affinity of the B lymphocytes in the germinal centers, they act as accessory cells: 
 Options:  <0> Macrophages <1> Th1 lymphocytes. <2> Mastocytes <3> Follicular dendritic cells. <4> Langerhans cells.
answer:

biology