When the bile can not be properly propelled from the not-mechanically-obstructed gallbladder or can not flow out of the end of the common bile duct properly, there is a state of biliary dyskinesia. So, biliary dyskinesia is a dynamically (functional...not fixed mechanical) obstructive, pain-producing disorder.
Two sections each with 20 questions, 35 minutes for each section. Each quantitative reasoning section (also common called the Math GRE sections) contains a mix of multiple choice, quantitative analysis, and user input questions.
In addition to the General Test, there are also seven GRE Subject Tests testing knowledge in the specific areas of Biochemistry, Cell and Molecular Biology; Biology; Chemistry; Literature in English; Mathematics; Physics; and Psychology. The length of each exam is 170 minutes.