This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Carbohydrates, Subject name: Biochemistry
[{'content': 'The polysaccharide used in assessing the glomerular filtration rate (GFR) is: \nSelect and explain. \nA. Glycogen, B. Agar, C. Inulin, D. Hyaluronic acid', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. InulinInulin is a fructosan, isolated from root tubers of Dahlia. It is used for assessing GFR. The test is known as Inulin Clearance test.', 'role': 'assistant'}]